Amd radeon r9 270


AMD Radeon R9 270X

The AMD Radeon R9 270X ($199 list) is AMD's new midrange graphics card aimed at gamers who want strong 1080p performance, but can't afford luxury models. Like most members of the Radeon R7/R9 family, it's a refreshed version of a previous architecture—in this case, the AMD Radeon HD 7870. Specifically, it's a drop-in replacement for that chip, but at slightly higher clock speeds.

The old AMD 7870 ran at 1GHz core clock, while the new chip runs at 1,050MHz. Memory transfer speeds are also up significantly, from 1,200MHz to 1,400MHz, a gain of some 17 percent. Where the original AMD 7870 shipped in both 1GB and 2GB flavors, the new R9 270X is strictly 2GB only. All of the retail cards currently shipping have the same set of display outputs—one HDMI, one DisplayPort, and two DVI. This should allow for a great deal of flexibility, and users can run up to three monitors off a single card, without relying on DisplayPort alone.

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The primary competitor for the R9 270X is the Nvidia GeForce GTX 760, which still retails for $50 to $60 more and the HIS R9 270 iPower IceQ X² Boost Clock, which sells for $20 less, at $179. We've also included results for the MSI R9 280X Gaming 3G. While substantially more expensive, at $299, the MSI R9 280X is currently one of the best price/performance deals you can buy in the GPU market, and it's useful to check exactly how much performance an extra $100 will buy you.

Performance We tested the R9 270X on an Intel DZ77GA-70K motherboard with an Intel Core i7-3770K CPU and 8GB of DDR3-1600. Windows 7 64-bit w/ SP1 and all available patches was used. All games were tested at 1,920 by 1,080 resolution using AMD's Catalyst 13.11 Beta 1 drivers and Nvidia's GeForce 331.40 driver. All game benchmark tests were run at 1,920 by 1,080, with maximum details and 8x MSAA enabled.

In Civilization V's Late Game View, the R9 270X scored 75 frames per second (fps), a fair bit behind the Nvidia GTX 760, which scored 87fps, with the HIS R9 270 scoring 68fps. The MSI R9 280X, on the other hand, still wins the high-level benchmark test with an overall score of 93fps. Shogun 2: Total War was an effective tie; the Nvidia GTX 760 came in at 39fps to the Radeon R9 270X's 38fps; the MSI R9 280X faster than both, at 53fps.

In Metro 2033, with 4x MSAA selected, the AMD R9 270 scored 28fps, and the R9 270X scored 30fps to the Nvidia GTX 760's 29fps. The MSI R9 280X scored 39fps. In BioShock Infinite, the AMD R9 270 and R9 270X still came in below the Nvidia GTX 760. The R9 270 slipped in at 51fps, the R9 270X hit 55fps, and the Nvidia GTX 760 scored 65fps. All fall below the MSI R9 280X, which scored 77fps.

Hitman: Absolution was a small win for the R9 270X, at 31fps, compared with the Nvidia GTX 760, which scored 29fps. The AMD R9 280X is substantially faster, at 42fps, and the R9 270 anchored the bottom of the stack at 28 frames per second—right behind the Nvidia GTX 760.

The Nvidia GTX 760 is 30 percent more expensive than the R9 270X, but was just marginally faster across our entire test suite. The MSI R9 280X was 50 percent more expensive than the R9 270X, but offered 33 percent better performance across our entire suite of tests. If the frame rates seem low for many of these titles (and admittedly, they are) keep in mind that we're hitting the GPUs with workloads that punch above their weight class. Full antialiasing and anisotropic filtering, combined with maximum detail levels, is expensive. With slightly relaxed detail settings, frame rates would lift by a fair margin.

The R9 270X is roughly 10 percent faster than the R9 270, and about 10 percent more expensive. Mathematically, that's a decent deal—but in real-world terms, 10 percent isn't the difference between playable and unplayable. Both the HIS R9 270 and the 270X are substantially better deals than the Nvidia GTX 760, but the R9 270X doesn't offer a dramatically different experience over the HIS R9 270.

Those on a budget looking for a midrange card will be well-served by the AMD Radeon R9 270, which is our new Editors' Choice for midrange graphics cards. The R9 270X, while a balanced option at a fair price, doesn't have a dramatic advantage over its cheaper cousin.

www.pcmag.com

سعر ومواصفات AMD Radeon R9 270X

September 06, 2018 - 12:12 am admin AMD

  • من سلسلة : AMD Radeon 200 .
  • حجم الذاكرة : 2GB جيجا بايت GDDR5 .
  • معمارية الكارت : 256 بت .
  • سعة نقل البيانات : 179.2 جيجا بايت في الثانية .

سعر ومواصفات كارت الشاشة AMD Radeon R9 270X تقدمه اليكم شركة AMD الامريكية في سلسلة Radeon 200 الذي تم الاعلان عنه في يوم 8 اكتوبر من عام 2013 ، حيث يأتي بذاكرة عشوائية بسعة 2GB جيجا بايت GDDR5 ، ويصل سعة نقل البيانات الي 179.2 جيجا بايت في الثانية و بمعمارية 256 بت ، وبسرعات معالجة Base Clock بسرعة 1000 ميجا هيرتز و Boost Clock بسرعة 1050 ميجا هيرتز و Memory Clock بسرعة 1400 ميجا هيرتز ، ويدعم الكارت العديد من التقنيات AMD CrossFire و AMD Eyefinity و AMD Mantle و AMD PowerPlay و AMD PowerTune و AMD ZeroCore Power ، واليكم كافة تفاصيل الكرت .

إمكانيات الكرت
حجم الذاكرة 2GB جيجا بايت GDDR5
سرعات المعالجة Stream Processors :1280 Base Clock بسرعة 1000 ميجا هيرتز Boost Clock بسرعة 1050 ميجا هيرتز

Memory Clock بسرعة 1400 ميجا هيرتز

معمارية كرت 256 بت
سعة نقل البيانات 179.2 جيجا بايت في الثانية
نوع الكرت مكتبي
واجهة الكارت PCI-Express 3.0 x16
تاريخ الإعلان 8 اكتوبر من عام 2013
دعم التكنولوجيا
الواقع الافتراضي VR Ready لايدعم
اصدار دايركت إكس DirectX 11.2
اصدار OpenGL 4.4
اصدار OpenCL 1.2
اصدار Shader Model 5.0
دعم تكنولوجيا اخري AMD CrossFire و AMD Eyefinity و AMD Mantle و AMD PowerPlay و AMD PowerTune و AMD ZeroCore Power
دعم الشاشة
منافذ الكرت DVI-D DualLink DVI-I DualLink DisplayPort

HDMI

دعم الشاشات المتعددة -
المواصفات الحرارية والطاقة
إمداد الطاقة الموصى به 500 وات
في مصر لم يحدد السعر بعد
في السعودية لم يحدد السعر بعد
ملاحظه : قد تختلف مواصفات كارت الشاشة في بعض البلدان العربية عن بعضها لذلك تأكد قبل الشراء ولا نضمن صحة المواصفات بنسبة 100 % في حالة وجود اخطاء اتصل بنا.

www.nologygate.com

AMD Radeon R9 270 İncelemesi

Geçen hafta incelediğimiz GeForce GTX 780 Ti ile, AMD ve Nvidia arasında geçen amansız savaşın sonunda taşların yerine oturduğunu ve Nvidia’nın üstünlüğünü ilan ettiğini görmüştük. Sıra; iki firmanın daha da fazla rekabet edeceği orta segmentte.

AMD,  kısa bir süre önce tepe seviyesindeki R9 290X ve R9 290’ın ardından, bir önceki neslin (HD 7970 – Tahiti XT) revize edilmiş versiyonu olan R9 280X ile üst seviyedeki performans modellerini belirleyip, ardından Nvidia’nın GTX 650 Ti ve 650 Ti Boost modellerini hedefleyen R9 270X modelini piyasaya sürdü. Tahmin edebileceğiniz gibi, daha önce incelediğimiz R9 270X’de revize bir versiyon olarak karşımıza çıktı.

Ekran kartı incelemelerimizde sıklıkla değindiğimiz; “AMD ve Nvidia’nın yeni mimari hamleler yapamadıkları zaman, genellikle orta ve üst seviyedeki GPU’larının adlarını değiştirerek bunları “yeni” modeller olarak piyasaya sürmesi” durumu ile yine karşı karşıyayız. Bugünkü inceleme konumuz olan AMD Radeon R9 270, AMD’nin daha önce Radeon HD 7870 serisinde kullandığı Pitcairn GPU’suna “Curacao” ismini vererek piyasaya sürdüğü bir GPU ile desteklenen orta seviye bir kart.

AMD Radeon HD 7870, R9 270X ve R9 270; her üç ekran kartında kullanılan GPU’nun 28nm üretim teknolojisi, 2.8 milyar transistör sayısı, 256 bit bellek veriyolu, 1280 akış işlemcisi, 80 doku haritalama birimi ve 32 adet ROP ünitesi birebir aynı. Yine bu üç modeli ayıran en büyük özellik ise; farklı GPU ve bellek frekanslarına sahip olmaları. R9 270, bir üst modeli olan R9 270X’den 125MHz daha düşük hızda çalışıyor. Ancak 1400MHz’lik (efektif olarak 5600MHz) bellek hızları aynı. GPU saat hızının düşmesi, R9 270’in güç tüketim ihtiyacını bir miktar azaltmış görünüyor. R9 270X’de 180 watt olan TDP değeri, R9 270’de 150 watt civarında.

Ekran Kartı R9 290X R9 280X R9 270X R9 270 Radeon HD 7870
Kod adı Hawaii Tahiti XT Curocao Curocao Pitcairn
Üretim süreci (nm) 28 28 28 28 28
Transistör sayısı (milyar) 6.2 4.31 2.8 2.8 2.8
Çekirdek hızı (MHz) 1000 1000 1050 925 1000
Bellek hızı (MHz) 1250 1500 1400 1400 1200
Bellek tipi GDDR5 GDDR5 GDDR5 GDDR5 GDDR5
Bellek arabirimi 512 bit 384 bit 256 bit 256 bit 256 bit
Akış işlemci sayısı 2816 2048 1280 1280 1280
Doku haritalama birimi 176 128 80 80 80
ROP 64 32 32 32 32
Maks. TDP 250W 250W 180W 150W 190W

Aynı GPU modelini (eski adıyla Pitacairn, yeni adıyla Curocao) kullanmalarına rağmen eski ve yeni nesil arasındaki güç tüketim değerini azaltan en büyük faktör; o an çalışan uygulamanın GPU’ya getirdiği yük durumunu kontrol ederek, GPU’nun voltaj ve saat hızını dinamik olarak düşüren bir uygulama olan PowerTune uygulamasından başkası değil. “R” serisinde Power Tune tamamen elden geçirilerek revize edilmiş ve AMD’nin sırf bu iş için geliştirdiği bir yonga tarafından kontrol ediliyor. R9 270’de kullanılan PowerTune; GPU’nun yük durumu ve sıcaklık değerlerinin, voltaj/GPU hızını düşürmesi/artırması yanında, kullanılan soğutucunun devir hızları yazılım desteğine ihtiyaç duymadan kontrolcü sayesinde otomatik olarak ayarlanıyor.

Radeon R9 270, tüm “R” serisinde olduğu gibi; DirectX 11.2, Mantle, OpenGL 4.3 ve 4K çözünürlük desteğine sahip. Ancak, GPU üzerinde programlanabilir bir ses iletim hattının yer alması ve oyun geliştiricilerin bu hattı kullanarak daha gerçekçi ve dinamik ortamlar yaratmasını sağlayan teknoloji olan TrueAudio, R9 270x’de olduğu gibi 270’de de yer almıyor.

Son olarak; AMD’nin R9 290 serisinde kaldırdığı ve yazılım kanalıyla desteklenen mekanik CrossFire bağlantısı, R9 270 serisinde mevcut. Zaten orta segmentteki bir model için çift kart kullanımı, zorunlu olarak bulunması gereken bir özellik.

Gigabyte Radeon R9 270 WindForce OC

Ürün Özellikleri

  • Grafik yongası: Curocao
  • Üretim teknolojisi: 28 nanometre
  • Çekirdek hızı: 950/975MHz
  • Bellek miktarı: 2048MB
  • Bellek hızı: 1400MHz (efektif 5600MHz)
  • Bellek tipi: GDDR5
  • Bellek arayüzü: 256 bit
  • Bant genişliği: 179.2GB/s
  • TDP değeri: 150
  • Güç girişi: 2 x 6 pin
  • Görüntü çıkışları: 2 x DVI, HDMI, Display Port

AMD’nin inceleme için gönderdiği Gigabyte Radeon R9 270 WindForce OC, fabrika çıkışı hızaşırtılmış bir model. Referans tasarımdaki 925 MHz olan GPU hızı, 975MHz’e çıkartılıp, 1400MHz’lik bellek hızına dokunulmamış. GDDR5 bellek kapasitesi ise 2 GB. GPU hızındaki 75MHz’lik artış, referans tasarımdaki 72 GTexel/s olan Texture Fillrate değerini 78  GTexel/s’ye, 28.8 GPixel/s olan Pixel Fillrate hızını ise 31.2 GPixel/s’ye çıkartmış görünüyor.

Referans tasarımdan farklı olarak Gigabyte Radeon R9 270 WindForce OC’nin soğutma sistemi, Gigabyte’ın daha önce pek çok modelinde gördüğümüz gibi çift fanla desteklenen özel bir tasarım. Gigabyte’ın “Ultra Durable” adını verdiği ve daha düşük ESR’li Japon katı kapasitörler, daha düşük RDS (açık) MOSFET’lerin kullanıldığı ekran kartının PCB’si, benzer diğer markalara oranla 2 kat daha yoğun bakırla takviye edilmiş durumda.

Gigabyte Radeon R9 270 WindForce OC’nin teknik verileri

CrossFire köprü bağlantı noktası:

AMD’nin referans tasarım R9 270 tasarımında, güç girişi sadece 1 x 6 pin ile sınırlıydı. Ancak fabrika çıkışı hızaşırtlmış Gigabyte Radeon R9 270 WindForce OC’nin daha fazla güç tüketeceği hesaba katılarak güç girişleri 2 x 6 pin olarak değiştirilmiş:

Görüntü çıkışlarındaki 2 x DVI, HDMI ve Display Port yuvaları:

Kartın arka yüzü:

Gigabyte, “WindForce” adını verdiği soğutma sisteminde özel eğimli kanatlarına sahip fanların türbülans akışını en aza indirerek, benzer soğutmalara göre daha sessiz ve performanslı çalıştığını iddia ediyor. Daha önce yaptığımız pek çok soğutucu incelemesinde büyük çaplı fanların daha sessiz ve daha verimli çalıştığını görmüştük:

WindForce tarzı soğutmanın her iki fanı da 95mm çapında:

Fanların altındaki soğutucu, daha önce incelediğimiz işlemci soğutucularındaki benzer direkt ısı boru temaslı taban teknolojisine sahip. 8 mm kalınlığındaki bakır ısı borusu, GPU’dan aldığı ısıyı soğutulmak üzere çok sayıdaki alüminyum yaprağa iletiyor:

Gigabyte Radeon R9 270 WindForce OC’nin devre kartı:

212mm² zar alanına ve 2.8 milyar transistöre sahip Curocao adına alan ve bizim uzun zamandır Pitcairn olarak tanıdığımız GPU:

2048MB sığalı ve 1400MHz hızında çalışan bellekler Elpida’dan:

Test Sistemi

  • MSI Big Bang-XPOWERII X79 anakart
  • Intel Core i7-3930K işlemci
  • GSkill RipjawsZ 16GB (4x4GB) 2133MHz bellek
  • Plextor M5 Pro Xtreme 256GB SSD
  • Noctua NH-U12P işlemci soğutucu
  • Cooler Master Test Bench V 1.0 kasa
  • Cooler Master 650 watt güç kaynağı

Nvidia kartlar 331.65, AMD kartlar ise 13.11 sürücüleri ile test edildi.

OC: Fabrika çıkışı hızaşırtılmış ve özel soğutma sistemine sahip modeller.

RT: Referans tasarım modeller.

3DMARK 11

3DMARK 11, tessellation, shadow map, shadow cascade, surface shadow, volumetric illimination, ambient occlusion, depth of field, color saturation gibi grafik detaylarıyla ekran kartının tüm limitlerini zorlayıp, kombine testler ile ekran kartının performansını ölçümleyen sentetik bir yazılım.

Performance Modu 

Extreme Modu

3DMARK 2013

Cloud Gate

Fire Strike

Ice Storm

Unigine Heaven 4.0

Unigine Heaven, ekran kartlarını zorlayan diğer bir sentetik yazılım. OpenGL’den DirectX 11’e geniş bir API yelpazesini test edebiliyor.

Tessellation Testleri

DirectX 11’le tanıştığımız tessellation, modellerdeki poligonları mesafeye göre (yakınlaştıkça artan bir şekilde) ufak parçalara ayrıp, “displacement mapping” tekniği yardımıyla çok daha gerçekçi görüntüler elde edilebilmesine imkan veren bir teknoloji. Nesnelerin çok daha yuvarlak yada daha keskin hatlara sahip olması ve dokuların daha detaylı gözükmesini sağlıyor. Tessellation, kullanılan detay seviyesine göre ekran kartlarını çok zorlayan bir seçenek.

Hitman Absolution

Crysis 2

Metro Last Light

Sleeping Dogs

Sniper Elite V2

Crysis 3

 

Battlefield 3

Güç Tüketimi

Güç tüketimi açısından kartların standart modellerle eşdeğer olduğunu kabul edebilirsiniz. Buradaki değerler, prize taktığımız bir güç ölçerle aldığımız “tüm sistem güç tüketimi” değerleri. Yani ekran kartı yük altında 300 küsur watt tüketmiyor. Ekran kartı yük altındayken, sistemin toplam tüketim değerlerini ölçüyoruz. Tüketim değerlerini alırken, sıcaklık testinde de kullandığımız ve ekran kartlarının canına ot tıkayan Furmark’dan yardım aldık. Yazılım, GPU’yu %100 yüke zorluyor. Bu arada işlemci kullanımı ise neredeyse sıfıra yakın.

 

Sıcaklık

 

Gürültü

Kartların ürettiği gürültü değerlerini uzay montaj sisteme 50 cm uzaklıktan aldık. Sizin sisteminiz muhtemelen kasa içinde olacağından, grafiklerde gördüğünüz değerlerin yaklaşık %20 ile %40 oranında azalacağını hatırlatalım.

Not: Grafiklerdeki “1” rakamı, desibel ölçerin algılayamadığı (28 dBA altı) gürültü değerleri için kullanılmıştır.

 

Sonuç

Her zaman olduğu gibi test sonuçlarından başlayalım;

Fabrika çıkışı hızaşırtılmış Gigabyte Radeon R9 270 WindForce OC, sentetik ve gerçek oyun testlerinde referans tasarım R9 270X ve hızaşırtılmış HD 7870’in altında bir performans gösteriyor. Rakibi Nvidia’nın GTX 660 Ti’ın yerine konumlandırdığı GTX 760 ile R9 270’in aralarındaki fark ise bir hayli fazla. Ancak R9 270, GTX 650 Ti Boost’u bariz şekilde geçiyor.

İşin doğrusu R9 270X ve R9 270 tek yumurta ikizleri gibi aynı GPU ve bellek yapısına sahip olmakla birlikte aralarındaki tek fark; R9 270X’in, referans tasarım R9 270’e oranla 125MHz daha hızlı çalışması. AMD’nin neden bu tür bir girişime bulunduğunu merak edebilirsiniz, hemen cevabını verelim.

Geçen hafta, Radeon R9 290 incelemesinde işlemci üretimi hakkında kısa bir bilgi geçmiştik. Kum tanelerinden başlayan hikayede, son hale getirilip wafer üzerindeki yongaların kesildikten sonra testlerden geçirildiğini ve bu sancılı süreç sonrası testleri tamamlayamayan yongaların çöpe atıldığını, ancak %100’ün biraz daha altında performans gösterenlerin tepe seviyesi değil ama alt model olarak sınıflandırılarak piyasaya sürüldüğünü hatırlarsınız. İşte R9 270’de bu şekilde %100 performans gösteremeyen yongalardan üretilmiş.

Genel performansının yanında R9 270; DirectX 11.2 ve 4K çözünürlük desteği dışında, çalışan uygulamanın GPU’ya getirdiği yük durumunu kontrol ederek, GPU’nun voltaj ve saat hızını dinamik olarak düşüren PowerTune ve konsollardaki gibi donanımı verimli kullanarak kaynak israfını önleyip, ekran kartlarından maksimum performans almayı hedefleyen Mantle desteği ile birlikte geliyor. Ancak tüm R serisi incelemelerinde söylediğimiz gibi Mantle’ın, şu an yazılım desteği olmadığı için kullanılabilirliği yok. Son olarak; GPU üzerinde programlanabilir bir ses iletim hattının yer alması ve oyun geliştiricilerin bu hattı kullanarak daha gerçekçi ve dinamik ortamlar yaratmasını sağlayan AMD’nin yeni teknolojisi bu kartta bulunmuyor.

Yurtdışı fiyatlara (Newegg) baktığımızda;

R9 270X = 200$

R9 270 = 180$

her iki kart arasında yaklaşık 20$’lık bir fark görüyoruz. Teknofiyat’tan yaptığımız araştırmada ise; R9 270’i Türkiye’de 224$ civarında bulabiliyoruz. R9 270 yurda giriş yaptığında tahminen 200$ civarında satılacaktır.

Satın alma aşamasında;

R9 270, fiyat/performans kriterine uygun orta seviyede bir model. Bu saatten sonra, DirectX 11.2 desteğini düşündüğümüzde Radeon HD 7870 ve versiyonlarını tercih etmenin pek bir anlamı kalmayacaktır. Eldeki HD 7870′i değiştirip R9 270’e terfi etmeyi düşünüyorsanız, bu değişimin size bir miktar performans kaybı olarak yansıyacağını hatırlatalım. Bunun yanında; satın aldığınız R9 270’i biraz hızaşırtarak, bir üst modeli olan R9 270X seviyesine çıkartabilirsiniz. Ancak bu işin tamamen şansa kaldığını ve her GPU’nun farklı hızaşırtma potansiyeline sahip olduğunu dipnot olarak geçelim.  

www.technopat.net

The AMD Radeon R9 270X & R9 270 Review: Feat. Asus & HIS

The Radeon 200 series was a different kind of launch from AMD than anything we’ve seen from them before. The slow development of the next generation of manufacturing processes from fab partner TSMC has required both AMD and NVIDIA to get a bit creative in how they want to roll out products, along with how they want to promote and position those products. Whereas in previous years we’d seen one or both firms roll out a number of new GPUs, 2013 will be the year where we only see one new GPU from each, and those GPUs were at the high-end. This hasn’t prevented AMD from bringing around new products or bringing down the price-to-performance ratio of their lineup, but it has required a different kind of launch than what they would do in previous years.

For AMD, the new reality of doing another product cycle at 28nm has meant that AMD’s product plans for the end of 2013 and 2014 have involved a lot of shifting of GPUs and prices. GCN is an architecture with long legs, and the GPUs cut from it being equally as long legged. So the company has set forth on a plan to introduce a new high-end GPU for the top of their market (the 290 series), while the mainstream and lower markets will receive new products based on existing GPUs. We’ve already seen the first step of that process with the launch of the Radeon R9 280X, and now we’re ready to take a look at the next step with the Radeon R9 270 series.

The Radeon R9 270 series is composed of two products, the 270X and the 270, with the X indicating the higher performing part in AMD’s new naming scheme. The 270X actually launched almost a month ago – a result of the 200 series launch blast its repurposed GPUs – while we’re just now catching up to the 270 series today, with the launch of the lower tier R9 270. Both of these parts are based on AMD’s venerable Pitcairn GPU, which post-shuffle is being moved from AMD’s $200+ enthusiast cards to their sub-$200 mainstream cards. They are in essence the successors to the 7870 and 7850, the previous video card family that Pitcairn called home.

AMD GPU Specification Comparison
  AMD Radeon R9 270X AMD Radeon R9 270 AMD Radeon HD 7870 AMD Radeon HD 7850
Stream Processors 1280 1280 1280 1024
Texture Units 80 80 80 64
ROPs 32 32 32 32
Core Clock 1000MHz 900MHz 1000MHz 860MHz
Boost Clock 1050MHz 925MHz N/A N/A
Memory Clock 5.6GHz GDDR5 5.6GHz GDDR5 4.8GHz GDDR5 4.8GHz GDDR5
Memory Bus Width 256-bit 256-bit 256-bit 256-bit
VRAM 2GB 2GB 2GB 2GB
FP64 1/16 1/16 1/16 1/16
TrueAudio N N N N
Transistor Count 2.8B 2.8B 2.8B 2.8B
Typical Board Power 180W 150W 190W 150W
Manufacturing Process TSMC 28nm TSMC 28nm TSMC 28nm TSMC 28nm
Architecture GCN 1.0 GCN 1.0 GCN 1.0 GCN 1.0
GPU Pitcairn Pitcairn Pitcairn Pitcairn
Launch Date 10/08/13 11/13/13 03/05/12 03/05/12
Launch Price $199 $179 $349 $249

With the R9 270 series AMD is taking a slightly different route than they did with the 280X. The 280X was in part a consolidation of the two 7970 cards into a single middle of the road SKU, and in part a price cut for that performance tier down to $299. But for the 270 series AMD isn’t consolidating anything – there were only two Pitcairn products in the first place – so instead it’s a performance bump coupled with a lesser price cut. By doing this AMD is formally pushing Pitcairn into the sub-$200 market, and at the same time they’re doing so under a new name as to avoid having such a low price attached to the 80/800 sub-series name.

The end result is that the 270X and 270 are a mix of old and new, launching at a lower price. What’s old is of course Pitcairn, while what’s new are higher performance configurations being enabled by slow yield improvements and more significant board design improvements. The entire 270 series is being equipped with AMD’s PowerTune Boost 1.0 technology to enable some basic turbo functionality, while both cards are also receiving higher memory clocks (5.6GHz) that come courtesy of reworked boards designed to maximize the capabilities of Pitcairn’s memory controller.

Diving into matters, we first have the 270X. This is the direct successor to the 7870, designed to offer improved performance within roughly the same power envelope. On the GPU side it has received a minor clockspeed bump from the implementation of PowerTune Boost, pushing the peak clockspeed from 1000MHz to 1050MHz, a 50MHz (5%) bump. More significant is its memory clockspeed bump, which will see the memory clockspeed go from 4.8GHz to 5.6GHz, an improvement of 800MHz or 17%. Otherwise as 7870 was already a fully-enabled Pitcairn part, 270X contains the same 20 CUs and 32 ROPs.

The more significant improvement is for the 270 vanilla (sufferin’ suffixes), which is the successor to the 7850. The 7850 was only a partially enabled Pitcairn product and it shipped at lower clockspeeds then 7870, keeping a significant performance gap between the two products which the 270 series will be closing. Compared to the 7850, 270 will be moving up to a fully enabled Pitcairn part, bringing it up from 16 CUs to 20CUs, offering a straight-up 25% improvement in the amount of shader/texture hardware. Meanwhile it is also receiving a more significant GPU clockspeed bump, from 860MHz to a boost clock of 925MHz, an improvement of 8%. 270 also receives the same memory bus and clockspeed improvements as 270X, so it gets the same 800MHz memory clock increase to 5.6GHz. Consequently 270 stands to gain much more performance over its predecessor than 270X does, with 270 offering anywhere between 8% better performance and 34% better performance depending on whether it’s ROP/geometry-bound or shader-bound.

As for power consumption, both of these parts pick off from where their direct predecessors left off. 270X is an 180W typical board power part just like the 7870, while 270 takes up the mantle as AMD’s top 150W card. The significant spec improvement from 7850 to 270 means that AMD’s performance within the 150W threshold will be improving by quite a bit, which is of significant importance to them and the larger market as a whole since 150W is the cut-off for a number of OEM systems that lack the power headroom necessary to support larger cards.

Meanwhile on a generational basis the 270 series will be partially replacing the 7700 series. The 7700 series launched at lower prices than this – $159 and $109 respectively – so it’s not a straight-up replacement, but it’s close. Because we’re still on the 28nm process though, it means while performance has gone up so has power consumption, something that will be the case across the board for this refresh.

Moving on to pricing and competition, the 270X and 270 hold MSRPs of $199 and $179 respectively. Unlike 280X, which saw a significant price cut versus 7970GE, these are not nearly as significant cuts compared to the outgoing 7800 series, which means AMD is more or less directly competing with itself right now. The narrow price bands in the sub-$200 market mean that these kinds of generational price conflicts are a recurring issue for AMD and NVIDIA, as the last generation products have to be priced low enough to clear off the rest of the stock, even though doing so distorts the overall picture. So for the moment the 7800 series is going to serve as a spoiler for the 270 series, though eventually the stock of 7800 cards will run out and the 270 series will fully take over. Or put another way, one of the purposes of the 270 series will be to formalize the price cuts that the 7800 series has seen over the last year and a half.

AMD’s formal competition will be a mix of NVIDIA cards. NVIDIA isn’t placing anything directly opposite the 270X, but they are going to be close by. Well above the 270X is the GTX 760 at $249 – NVIDIA’s cheapest GK104 card – while between the 270X and 270 is the GTX 660 at roughly $179. For the 270 however this means that it will directly be competing with the GTX 660, as both should retail for roughly the same price, making it a head-to-head battle. Finally below the 270 is the GTX 650 Ti Boost at $149, though it’s primarily meant to compete with AMD’s R7 260X.

Finally on the bundle side, we have some good news that everyone should enjoy. Coinciding with today’s launch of the 270, AMD is instating game bundles for the 200 series. For full details please see this associated pipeline post, but in short the 270 and above are getting Battlefield 4. Battlefield 4 will be seperate from AMD's Never Settle Forever program, but considering the age of the games in the current roster and the sheer popularity of Battlefield, BF4 would have been the first choice for virtually everyone anyhow.

NVIDIA for their part will be continuing their own holiday bundle, which will see the GTX 660 and GTX 760 including Assassin’s Creed IV, Splinter Cell: Blacklist, and a $50 discount on NVIDIA’s SHIELD gaming console. Both the AMD BF4 bundle and the NVIDIA bundle are going to be strong bundles for the moment, but as always the ultimate value of any bundle is up to the buyer.

www.anandtech.com

AMD Radeon R9 270 Review: Feat. PowerColor

1 - AMD Radeon R9 270 Review 2 - AMD Radeon R9 270 Review - Test Setup 3 - AMD Radeon R9 270 Review - Battlefield 3 Performance 4 - AMD Radeon R9 270 Review - Battlefield 4 Performance 5 - AMD Radeon R9 270 Review - BioShock Infinite Performance 6 - AMD Radeon R9 270 Review - Crysis 3 Performance 7 - AMD Radeon R9 270 Review - Skyrim Performance 8 - AMD Radeon R9 270 Review - Unigine Valley 1.0 Benchmark 9 - AMD Radeon R9 270 Review - Power and Thermals 10 - AMD Radeon R9 270 Review - Overclocking 11 - AMD Radeon R9 270 Review - Performance Analysis and Conclusion Next Featuring: PowerColor Radeon R9 270 2GB Manufacturer: PowerColor UK price (as reviewed): MSRP £139.99 (inc VAT) (reference cards) US price (as reviewed): MSRP $179 (ex Tax) (reference cards)

In what seems like an endless wave of new GPUs, AMD is today launching another R-series product, specifically the AMD Radeon R9 270. This bears the same relationship to the R9 270X that the R9 290 does to the R9 290X, with the missing X suffix denoting slightly reduced performance and cost. Unlike the 290 series, however, there will be multiple AIB boards available immediately, and we've been graced with PowerColor's card, which features a modest overclock and custom cooler.

The £140 R9 270 is billed by AMD as the best GPU at the 150W power point and as a card for high quality 1080p gaming. For reference, AMD says the R9 270 has the same board power as the HD 7850 thanks to its single 6-pin PCI-E power connection, but more processing power. It's pitching the card predominantly against the Nvidia GTX 660, which is just under £150 at the time of writing. However, the R9 270X is also about £150, and was also pitched against this card from the green team, which gives you some idea just how little difference there is between it and the new R9 270. We don't have a confirmed price for the PowerColor card, but you can expect it to carry a small premium over the £140 stock models.

Click to enlarge On a note related to pricing, AMD is also choosing now as the time to unveil its updated free games bundles. Starting today, the entire R9 series, from the 290X down to the 270, will come with a free copy of Battlefield 4. Meanwhile, the R7 260X will join the relevant HD 7000-series products in the silver tier of the Never Settle Forever bundle. This will allow users to choose two free games from AMD's selection, with Thief having now been added as an available game too.

The R9 270 sports the same GPU as both the R9 270X and HD 7870 and, as with both of these cards, is also paired with 2GB of GDDR5 memory via a 256-bit memory bus. As such, there's very little new to discuss here, as the GPU is unchanged and thus features 1,280 stream processors and 80 texture units. Its Graphics Core Next architecture (GCN) means its ready to support Mantle in its Battlefield 4 debut, but there's no TrueAudio chip as there is on the R7 260X and R9 290 series cards.

Click to enlarge - Unlike the R9 270X, the R9 270 is powered by just one 6-pin connection Where the R9 270 differs is in being powered by one less 6-pin power connector than the R9 270X and HD 7870, with the single 6-pin plug instead matching it to the HD 7850 in this regard. A result of this is a core clock speed that's 125MHz lower than that of the R9 270X at 925MHz. However, for its OC version of the card, PowerColor has upped this by a minor 3 percent to 955Mhz. We'll be testing the card both at this frequency and at stock settings. Thankfully, AMD has maintained the R9 270X's memory clockspeed of 1.4GHz (5.6GHZ effective). This is higher than both the HD 7850 and HD 7870, and gives the card a total memory bandwidth of 179.2GB/sec. PowerColor has also opted to leave this memory speed at the reference frequency. Click to enlarge Oddly, PowerColor has removed the stock card's dual link DVI-D connection, leaving its card with just the one dual link DVI-I port alongside the usual HDMI and DisplayPort. This means that, unlike the stock card, users wishing to use three monitors must make use of the DisplayPort. It's odd to lose connectivity like this, but equally it's unlikely to make a difference to the vast majority of this card's target market. PowerColor's cooler features a chunky aluminium fin stack as well as a single S-shaped copper heat pipe that makes direct contact with the GPU. A 90mm down-draft fan cools everything down but exhausts its heat back into the surrounding case. The card measures just 200mm in length, although in terms of height the fan does push the dimensions out over the PCB edge. Click to enlarge Looking at the circuit board itself, we see the four main GPU power phases centred near the rear I/O with what looks like an additional two at the far side for the memory chips, for a total 4+2 phase power. All eight memory modules are positioned on the front side of the PCB. Neither these nor the power circuitry are actively cooled, but they will receive at least some airflow from the GPU fan. A single CrossFire connection enables multi-GPU set-ups as well.
  • Graphics processor AMD Radeon R9 270 2GB, 955MHz
  • Pipeline 1,280 stream processors, 80 texture units, 32 ROPs
  • Memory 2GB GDDR5, 5.6GHz effective
  • Bandwidth 179.2GB/sec, 256-bit interface
  • Compatibility Direct X 11.2, OpenGL 4.3, Mantle
  • Outputs/Inputs Dual Link DVI-I, HDMI, DisplayPort
  • Power connections 1 x 6-pin PCI-E, side-mounted
  • Size 200mm, dual slot
  • Warranty Two years (US and Canada) or retailer dependent (worldwide)

bit-tech.net


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