Legit Reviews has used FurMark in their last Radeon HD 5850 Crossfire review. The interesting thing is the comparative graph that shows the performance of AMD’s new babies compared to NVIDIA GeForce. But Nathan (the guy behind Legit Reviews) has had some problem to enable multi-GPUs support on both ATI (Crossfire) and NVIDIA (SLI). So all scores are those of a single GPU card that’s why the performance of HD 5870 Crossfire is the same than a single HD 5870 and the GeForce GTX 295 is a little bit under the GeForce GTX 285.
That said, the interesting results are:
- a Radeon HD 5850 is around twice faster than a GeForce GTX 275
- a Radeon HD 5870 is around 20% faster than a Radeon HD 5850
Radeon HD 58xx is a real killer in OpenGL. And with AMD that is working hard on its OpenGL driver, these new Radeon seem to be a good choice for OpenGL users and developers. I can’t wait to test a HD 5850/5870…
Now a little word about FurMark and multi-GPUs support. First thing, FurMark supports NVIDIA SLI and ATI Crossfire. It’s not simple to make multi-GPUs to work with FurMark but that works. At least under Windows XP (maybe under Vista / Seven it’s different: Nathan’s review has been done with Windows 7 Ultimate 64-bit …). The following screenshot shows FurMark 1.6.5 with a SLI of GeForce GTS 250. And the SLI visual indicator shows that both GPUs are used:
FurMark 1.6.5 displays only one temperature graph (first GPU). This feature has been improved in FurMark 1.7.0 where a temperature graph is displayed for each GPU.
I will publish shortly an article about how to use SLI with FurMark under XP and Vista.