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原帖地址：http://www.hardwarecanucks.com/forum/hardware-canucks-reviews/27892-nvidia-s-geforce-gf100-under-microscope-13.html
中转地址：http://bbs.chiphell.com/viewthread.php?tid=67479&extra=page%3D1
5870(Simulated)这个测试成绩是根据NV官方GF100和GTX285的测试，以及5870和GTX285的性能差距估算得出的，并不是拿3张实卡同时测试的
以上仅为转载，不代表个人观点
PLEASE READ:
As you look at the charts below, you will notice that we added in “simulated” HD 5870 1GB results and there is a story behind this. NVIDIA was very forward with us and revealed the specifications of the test system they were running: a stock Intel i7 960, 6GB of 1600Mhz memory and an ASUS Rampage II Extreme motherboard running Windows 7. While we weren’t able to copy the exact same system, we did our best to replicate it by using the exact same CPU and OS while estimating the memory latencies and using a Gigabyte X58-UD5 motherboard. The result? Our stock GTX 285 performed within 2% of the results NVIDIA showed us so we are confident in the accuracy of our results.
Far Cry 2 DX10
While Far Cry 2 was released some time ago, it is still considered an extremely demanding game, especially at the Ultra High DX10 settings NVIDIA was using. They used the Ranch Small built-in timedemo which does tend to give a good approximation of the performance within the game itself.
1920 x 1200
The first indications seem to be that NVIDIA is definitely on the right track with the GF100 since it performs far above and beyond the older GTX 285. When you look at it in comparison to the current single GPU champ –the HD 5870 1GB – there just isn’t any competition at all and we are positive that even a highly overclocked HD 5870 won’t come anywhere near the GF100 we were shown.
2560 x 1600
In the past, we found that performance at this resolution in Far Cry 2 DX10 resulted in a fair amount of framebuffer limitation. However, NVIDIA has worked hard to make sure as much of the graphics processing data stays on-die within the cache before finally being handed off to the memory, which will carry huge benefits in games like this one.
Dark Void
Dark Void is an upcoming shooter which not only looks great but also takes advantage of some pretty wild PhysX effects. While we will be taking a closer look at this game and its performance at a later date, NVIDIA wanted to show it off in front of journalists prior to its release. For the results you see below, NVIDIA used the built-in benchmark that makes heavy use of in-game physics and the engine’s long draw distances.
This is one test where the GPU compute roots of the GF100 can really come into play by efficiently processing PhysX and rendering the scene at the same time. Performance is once again far beyond anything the GTX 285 can accomplish which should make things interesting come release.
Performance: Early Impressions
While it was good to finally see some concrete results from the GF100 / Fermi architecture, there are a number of questions that are still bouncing around inside our heads. First and foremost, exactly what type of card was within the test systems since when asked, NVIDIA merely stated that it was the card that would be shipping on launch day. If some people are to be believed, due to yield issues the only card we would see on launch day would be a slightly cut-down 448SP version. Our contacts further cemented this by saying that the product which is first available will be largely dictated by the yields coming out of the TSMC foundries.
Naturally the cards we benchmarked weren’t equipped with anything above 512SPs since that is the maximum layout this architecture will allow. If we assume the performance we saw was coming out of the beta, underclocked version of a 512SP GF100 running alpha-stage drivers, this is going to be one hell of a graphics card. On the other hand, if NVIDIA was using 448SP equipped cards for these tests, the true potential of the GF100 is simply mind-boggling. Coupled with robust compute power and an architecture specifically designed for the rigors of a DX11 environment, it could be a gamer’s wet dream come true.
While the glimpse into the GF100’s performance window was narrow, NVIDIA showed enough to get us excited to see the final product. Things in the GPU arena are sure to heat up come spring. |
[ 本帖最后由 1027227 于 2010-1-19 16:39 编辑 ] |
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发表于 2010-1-19 16:29:36
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