EVGA GeForce GTX 780 3GB Review

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3 – EVGA GeForce GpuTest Battle: GTX 780 vs GTX 680

This battle has two fighters from EVGA: the GTX 680 and the GTX 780. And for this battle, I used GpuTest 0.5.0 Both cards have been benchmarked with stock clock speeds and default power/temperature targets. The temperature target is a feature of the GTX 780 only.

Settings: 1920×1080 fullscreen, no AA, duration: 60 seconds.

GpuTest benchmark settings


3.1 – FurMark test

  • GTX 680: 3021 points, 50 FPS
  • GTX 780: 5711 points, 95 FPS (+89% boost)

GpuTest, FurMark test


3.2 – TessMark test

The TessMark test with a tessellation level of 32 have been used:

  • GTX 680: 26600 points, 443 FPS
  • GTX 780: 34686 points, 578 FPS (+30% boost)

GpuTest, TessMark test


3.3 – GiMark test

  • GTX 680: 5554 points, 92 FPS
  • GTX 780: 7255 points, 120 FPS (+30% boost)

GpuTest, GiMark test


3.4 – Piano test

  • GTX 680: 850 points, 14 FPS
  • GTX 780: 1091 points, 18 FPS (+28% boost)

GpuTest, Piano test


3.5 – Volpolosion test

  • GTX 680: 1982 points, 33 FPS
  • GTX 780: 2490 points, 41 FPS (+25% boost)

GpuTest, Volplosion test


3.6 – Plot3D test

  • GTX 680: 64130 points, 1069 FPS
  • GTX 780: 63646 points, 1059 FPS (+0% boost)

GpuTest, Plot3D test


3.7 – Triangle test

  • GTX 680: 11200 FPS
  • GTX 780: 10800 FPS (-4%)

GpuTest, Triangle test



Analysis:

There are 3 groups of test:
- group 1: FurMark
- group 2: TessMark, GiMark, Piano and volplosion
- group 3: Plot3D and Triangle

FurMark is a well-known TDP application that puts a heavy stress on the GPU. But another less known side is that FurMark is a texture intensive application: the rendering of the fur requires a lot of texture fetches. The GTX 680 has a 256-bit memory bus while the GTX 780 has a 384-bit memory bus and a wider memory bus leads to faster memory access. Both memory bus width and the larger number of CUDA cores can explain that big jump in FurMark score.

In the group 2, the GTX 780 offers a performance boost of around 30% which is conform to NVIDIA marketing slide:

GeForce GTX 780



The group 3 contains some very light 3D tests (the triangle is a bit like the hello world of 3D programming) and it looks like the GK110 is too powerful for those light tests. But a likely better reason is that the graphics driver is not enough mature for the GK110 and NVIDIA need to bring some minor optimizations for the GTX 780.

Most of the graphics applications belongs to the group 2 and then the GTX 780 is around 30% faster than the GTX 680.

And to close this article, I quickly tested the GTX 780 under Linux and as usual, the GeForce is perfectly supported. I installed the R320.08 under Mint 15 and launched a GpuTest demo:

GeForce GTX 780, Linux test




The performances under Linux are more or less similar to Windows ones.



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