NVIDIA's GeForce 8800 (G80): GPUs Re-architected for DirectX 10
by Anand Lal Shimpi & Derek Wilson on November 8, 2006 6:01 PM EST- Posted in
- GPUs
Half Life 2: Episode One Performance
Having just visited Valve to discuss their multi-core and multithreading plans, it's interesting to consider their claims that they are more CPU limited than GPU limited. The only one of these high-end graphics configurations that isn't completely GPU limited at the tested resolutions is the 8800 GTX SLI setup, which is CPU limited to approximately 230 frames per second. Apparently, Valve intends to make a lot more use of your CPU in the near future, since we're still testing Source engine performance without multithreading support.
Besides the impressively expensive 8800 GTX SLI, even the slowest of the tested configurations is able to run at 2560x1600 4xAA with reasonable performance. A single 7900 GTX might be a bit choppy, although disabling antialiasing should cure that problem, but some levels and areas in Episode One should have lower overall frame rates than this particular demo script. In that case, the single 8800 GTX once again ties X1950 XTX CrossFire for second place, with 7900 GTX SLI trailing by 15%-20%. 8800 GTS comes next, outperforming all of the remaining single card offerings.
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haris - Thursday, November 9, 2006 - link
You must have missed the article they published the very next day http://www.theinquirer.net/default.aspx?article=35...">here. saying they goofed.Araemo - Thursday, November 9, 2006 - link
Yes I did - thanks.I wish they would have updated the original post to note the mistake, as it is still easily accessible via google. ;) (And the 'we goofed' post is only shown when you drill down for more results)
Araemo - Thursday, November 9, 2006 - link
In all the AA comparison photos of the power lines, with the dome in the background - why does the dome look washed out in the G80 images? Is that a driver glitch? I'm only on page 12, so if you explain it after that.. well, I'll get it eventually.. ;) But is that just a driver glitch, or is it an IQ problem with the G80 implementation of AA?bobsmith1492 - Thursday, November 9, 2006 - link
Gamma-correcting AA sucks.Araemo - Thursday, November 9, 2006 - link
That glitch still exists whether or not gamma-correcting AA is enabled or disabled, so that isn't it.iwodo - Thursday, November 9, 2006 - link
I want to know if these power hungry monster have any power saving features?I mean what happen if i am using Windows only most of the time? Afterall CPU have much better power management when they are idle or doing little work. Will i have to pay extra electricity bill simply becoz i am a cascual gamer with a power - hungry/ ful GPU ?
Another question pop up my mind was with CUDA would it now be possible for thrid party to program a H.264 Decoder running on GPU? Sounds good to me:D
DerekWilson - Thursday, November 9, 2006 - link
oh man ... I can't believe I didn't think about that ... video decoder would be very cool.Pirks - Friday, November 10, 2006 - link
decoder is not interesting, but the mpeg4 asp/avc ENCODER on the G80 GPU... man I can't imagine AVC or ASP encoding IN REAL TIME... wow, just wooowwwI'm holding my breath here
Igi - Thursday, November 9, 2006 - link
Great article. The only thing I would like to see in a follow up article is performance comparison in CAD/CAM applications (Solidworks, ProEngineer,...).BTW, how noisy are new cards in comparison to 7900GTX and others (in idle and under load)?
JarredWalton - Thursday, November 9, 2006 - link
I thought it was stated somewhere that they are as loud (or quiet if you prefer) as the 7900 GTX. So really not bad at all, considering the performance offered.