[TEST] R257.15 Can Fix Everything: Radeon and GeForce Cards Can Now Work Again Together Side-by-Side for 3D and PhysX!
HD 5870 and GTX 480 side by side
Do you remember this news ? Two years ago, it was possible to run in the same time a Radeon for 3D rendering and a GeForce for PhysX simulations.
But these last times, some bugs, like like this one AND weird phenomenons like the reverse gravity timebomb, have prevented the use of a dedicated GeForce for PhysX when a Radeon is used for 3D graphics rendering.
But in the new NVIDIA graphics drivers R257.15, another weird phenomenon has suddenly fixed everything: now you can use a GeForce for PhysX and a Radeon for graphics in the same time!
Great news my friends especially for Radeon owners. Hybrid PhysX is back!
GenL’s quotation (GenL is the author of the PhysX patch):
In Windows XP i’ve just extended the fake desktop, and on Windows 7 i created one non-extended – that’s all i needed to get GPU-PhysX working. And even more surprising – timebomb issue is gone too, at least for its normal time interval (~30 seconds in FluidMark).
Okay let’s make a test. In my testbed, I plugged a Radeon HD 5870 with Catalyst 10.5 and a GeForce GTX 480 with R257.15. After having tweaked Win7 desktop to enable GPU PhysX (like said right above and thanks to the video at the end of the post), I launched PhysX FluidMark 1.2.0.
And… THAT WORKS!
The following screenshot is the proof:
Click to enlarge
And here are the scores:
Score for 60’000 particles – HD 5870 and GTX 480
Score for 120’000 particles – HD 5870 and GTX 480
Good job NVIDIA!
Let’s hope it’s not an error from NVIDIA…
The HD 5870 and GTX 480 together in GPU-Shark (simplfied view)
PhysX on ATI 5870 / GeForce 470GTX – ATI 10.5 / NV 257.15 beta:
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Need to make sure they don’t read this before the WHQL release!
Maybe there is a relation between this unclock and the departure of Manju Hedge
i can now use my 9400GT again for physx even tho its not worth it next to a GTX470!
i noticed this a few days ago when playing with 257.15s..it allowed me to set CUDA on the 9400GT only and inturn allowed me to run physx! This will help thoes with <32 cores
Interesting, but without an official statement, this should be regarded as a….bug, lol!
thank for information man,
this will realy help me
actually it IS a bug:
“Yes, this is a bug in the latest build of PhysX that was packaged with the driver. We’ll be fixing this issue ASAP – the WHQL driver launching in early June won’t have this issue. -NVIDIA”
“NVIDIA tells us that they will also be “fixing” the 257.15 beta driver on their site, so new downloads of that driver will have the restriction in place”
http://www.anandtech.com/show/3744/nvidia-forceware-257-heterogeneous-gpu-physx-its-a-bug-not-a-feature
official statement here:
http://blogs.nvidia.com/ntersect/2010/05/update-on-release-256-physx-support-1.html
[...] Yesterday was a great day for Hybrid PhysX (Radeon for 3D and GeForce for PhysX) thanks to the nice gift in R257.15 drivers. But the support of Hybrid systems will be disabled in the next WHQL R256 series [...]