Print 23 comment(s) - last by Ringold.. on Dec 6 at 7:26 PM

New version adds support for Radeon X1800 and X1600

Folding@Home has released a new Folding@Home GPU client. This brings the GPU client up to version 5.91 beta2. While previous Folding@Home GPU clients only supported ATI Radeon X1900 series graphics cards, the latest beta2 adds support for more GPUs. This release adds support for ATI’s Radeon X1800 and X1600 series of graphics processors.

As the Folding@Home GPU client relies heavily on pixel shader performance, the performance differences between the X1900-series and other ATI GPUs is tremendous. The Folding@Home GPU FAQ claims:
We now support serveral classes of GPU boards, including X1600, X1800, and X1900 class GPU's from ATI. At the launch, we supported X1900 cards only. X1800 cards do not provide the performance seen in X1900's and so we strongly recommend X1900 class cards (although we now officially support X1800). X1900 and X1800 cards are actually quite different -- they have different processors (R520, R530 vs. the R580 [in the X1900 series]). The R580 makes a huge difference in performance -- its 48 pixel shaders are key, as we use pixel shaders for our computations.
The latest beta2 release still only supports ATI GPUs. There’s no mention of support for NVIDIA GPUs at the moment. The latest Folding@Home GPU client can be downloaded from the Folding@Home download page.

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RE: not for the casual folder
By phusg on 12/5/2006 11:01:13 AM , Rating: 2
Interesting. What are your specs though? Do you have more than 1 CPU core? If you have 1 dedicated to FAH and another to work on then it wouldn't surprise me your lag is hardly noticeable...

RE: not for the casual folder
By FujiT on 12/5/2006 12:36:41 PM , Rating: 2
when i use trillian and all the graphics, there is a slight lag but other then that it all feels good.

Opteron 165 @ 2.3somthing GHz
2.5 GB DDR333 (single channel)
X1950 Pro Extreme (powercolor)

Also, stanford recommends that you only run one CPU core and one GPU for max. performance.

RE: not for the casual folder
By phusg on 12/5/2006 2:05:58 PM , Rating: 2
Thanks. Yes, a dual processor (and lots of memory) would be ideal for background FAH. My dilemma is that my gaming rig (where the X1950 would also be useful!) isn't dual core...

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