Monday, December 10, 2012

Radeon HD 7970 GHz edition Vs GTX 680 benchmarks test (All in one review)


Hello again guys on this new graphic cards "All in one review" round, it's been while from the last graphic card comparison, today I want to select on this article two of the most powerful single GPU graphic cards on the market, the first one is the latest Radeon HD 7970 Ghz edition from AMD compared with the beast from Nvidia the Geforce GTX 680 video card.

It seems that AMD doesn't like the situation that Nvidia lead the way with the fastest single GPU graphic card in the world the new Geforce GTX 680, so engineers over AMD labs respond with the Radeon HD 7970 Ghz edition which is an improved version of the standard HD 7970, was first introduced few months ago and was the fastest video card with single GPU in the world, featuring a new for the first time a 28nm GPU code named Tahiti XT2, the new GHz edition comes with just the same GPU but with two new things, an improved clocks frequency and a "boost mode" for the GPU core clock, now let's take a look at this how this new baby perform compared with it's direct competitive, the Nvidia's GTX 680.

First lets introduce what's new on the AMD Radeon HD 7970 GHz edition, specifications and features.


Specifications table of the Radeon HD 7970 GHz compared with close graphic cards from AMD:

Another detailed specifications table comparing the Radeon HD 7970 GHz Vs GTX 680 and other direct rivals from both Nvidia and AMD:

Model Geforce GTX 680 Geforce GTX 670 GHz Radeon HD 7970 Edition Radeon HD 7970
Code Name / Direct X Version GK104 / 11.1 GK104 / 11.1 Tahiti XT2 / 11.1 Tahiti XT / 11.1
SP performance (GFLOPS) 3090 2460 4096 3788
DP performance (GFLOPS) 129 103 1024 947
Triangle throughput (million / s) 4024 3203 2000 1850
Pixel throughput (GPix / s) 32.2 29.3 32.0 29.6
Texture performance (Gtex / s) 128.8 102.5 128.0 118.4
GPU clock (megahertz) 1006 + Boost 915 + Boost 1,000 + Boost 925
Clock shader ALUs (megahertz) 1006 + Boost 915 + Boost 1,000 + Boost 925
Graphics memory clock (Mhz) 3004 3004 3000 2750
Shader-/SIMD-/Textureinheiten 1.536 / 8/128 1.344 / 7/112 2.048 / 32/128 2.048 / 32/128
Grid power amplifiers (ROPs) 32 32 32 32
Memory interface (bit) 256 256 384 384
Memory Transfer Rate (GB / s) 192 192 288 264
Usual amount of memory (MiB) 2048 2048 3072 3072
PCI-E power connectors 2x 6-pin 2x 6-pin 1x6 & 1x8-pin 1x6 & 1x8-pin
TDP according to manufacturer 195 watts 170 Watt 250 Watt 210 Watt

Pricing grade according to AMD reference products, the HD 7970 Ghz edition got a 499$ price tag, 70$ more expensive than the HD 7970 standard edition :

Now lets move to the battle and a comparison benchmark selection is bellow.

Benchmarks selection result

Crysis 2 benchmark test:
full review
Overclocking Radeon HD 7970 GHz edition result:
full review
3DMark 2011 Benchmark result:

full review

3DMark 2011 Extreme preset benchmark test:
full review
Overclocking benchmark result:
full review
Noise level test:
full review
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