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GTX 680: PhysX Benchmarks roundup

with 12 comments

Finally, NVIDIA has officially presented their new GPU – GTX 680, built on 28nm GK104 chip, which itself is based on next-gen Kepler architecture.

Many rumors were floating around Kepler and its physics acceleration capabilities, some were endowing new GPU with dedicated PhysX blocks, others were claiming ability to run CPU PhysX games in hardware – none of this happens to be true. Nothing special (like NVENC video encoder) for physics calculations, just general improvements to chip architecture, SM clusters, etc.

Nonetheless, we will try to gather all available information regarding PhysX computation performance of the GTX 680, in comparison to previous generation GPUs.

NVIDIA Kepler GPU GeForce GTX 680 Video Card Review by HARDOCP

Interesting results – in this case, GeForce GTX 680 performance is higher than Radeon HD 7970 even with GPU PhysX effects enabled. However, we can not directly compare GTX 580 and GTX 680 due to different resolution settings.

NVIDIA GeForce GTX 680 (Kepler) by HardwareHeaven

At lower resolutions situation is quite different – enabled PhysX acceleration introduces significant penalty to GTX 680 performance.

NVIDIA GeForce GTX 680 Review by Eurogamer

GTX 680 is showing 15% performance improvement over its predecessor, but again on medium PhysX settings only.

Test: Nvidia GeForce GTX 680 by ComputerBase

GTX 680 vs GTX 580: similar results in Dark Void Benchmark (only “PhysX Low” settings are used – simple particle effects) and significant performance difference in Mars Benchmark (which contains more diverse PhysX content like fluids, particles and tearable cloth, but also produces very disputable results).

Nvidia’s GTX 680 arrives! “Faster, Smoother, Richer” by Alienbabeltech.com

Most comprehensive set of PhysX benchmarks comes from Alienbabeltech ! According to their numbers, average PhysX performance difference between GTX 680 and GTX 580 is around 11 %. Not as impressive as one might expect, huh?

Note: surpisingly, from several dozens of GTX 680 reviews we were able to find, only a few are containing actual PhysX benchmarks, majority of the reviewers just leave hardware acceleration disabled.

Update: more benchmarks !

GTX 680: PhysX and CUDA Testing by Playwares.com

First article where GTX 680 is tested as dedicated PhysX card – in this case, framerate is 17% better than with dedicated GTX 580.

(PhysX Test) GTX 680 vs GTX 580 vs GTX 480 in FluidMark by Geeks3D

In a synthetic test like FluidMark, GTX 680 shows decent PhysX performance.

Written by Zogrim

March 23rd, 2012 at 1:14 am

12 Responses to 'GTX 680: PhysX Benchmarks roundup'

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  1. Nice, will be interesting to see if 680 performance improves further with more mature drivers and new PhysX versions/games, it wouldn’t surprise me if it wasn’t being fully utilized…

      

    david black

    23 Mar 12 at 2:01 am

  2. GTX 680 FAIL same as 7970 and no dx 11.1 support
    does it support dx11.1?????

      

    yosef019

    23 Mar 12 at 7:44 am

  3. yosef019:
    GTX 680 FAIL same as 7970 and no dx 11.1 support
    does it support dx11.1?????

    And what`s that cause, why do you need DX11.1 graphics card right now?

      

    3p

    23 Mar 12 at 11:00 am

  4. yosef019:
    GTX 680 FAIL same as 7970 and no dx 11.1 support
    does it support dx11.1?????

    GTX 680 is way better than HD 7970 and support DX11.1. Google it.

      

    Anon

    23 Mar 12 at 12:59 pm

  5. I think that PhysX acceleration of GTX680 is good. It is successor of GTX 560 TI. Successor of GTX580 will come in some months. That will be more interesting comparing with GTX580.

      

    mareknr

    23 Mar 12 at 2:32 pm

  6. If you get only low or medium GPU usage at PhysX enabled then games are bad optimized. :S

      

    nuninho1980

    23 Mar 12 at 2:48 pm

  7. @Zogrim

    Do you know if there’s any way to enable cloth simulation in batman AC, while physx is set at normal?

      

    eddman

    24 Mar 12 at 9:49 pm

  8. eddman: Do you know if there’s any way to enable cloth simulation in batman AC, while physx is set at normal?

    What for ? The only difference between normal and high, afaik, is cloth simulation itself.

      

    Zogrim

    24 Mar 12 at 10:06 pm

  9. Zogrim: What for ? The only difference between normal and high, afaik, is cloth simulation itself.

    Well, high is too heavy for my card to run properly. Normal is lighter because it has less amount of particle effects and rigid bodies but for some wierd reason they have disabled cloth in normal. I can live with less effects but not with the lack of clothing.

      

    eddman

    25 Mar 12 at 7:46 am

  10. Uum, I compared normal to high in benchmark again and apparently they have the same amount of particle effects. Don’t know why I thought normal had less.

    I never thought clothing simulation can reduce frame rate so much.

    Sorry for bothering you.

      

    eddman

    25 Mar 12 at 2:48 pm

  11. eddman: I never thought clothing simulation can reduce frame rate so much.

    There is not only clothing, but also all kind of environmental cloth – leaves, posters, rugs, etc – pretty computational intensive, yes.

    As for cloth on normal – it would require to recreate all assets with reduced details, and I personally think it is not worth it terms of resources/time spent.

    ——
    Hmm.. according to content team, some environmental cloth assets should be available on Normal settings too.

      

    Zogrim

    25 Mar 12 at 3:38 pm

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