SW: KOTOR - Endar Spire, 1024 x 768
7x 266 MHz FSB
7x343 MHz FSB
6x400 MHz FSB
7x400 MHz FSB
| 7x343 to 6x266 | 6x400 to 6x266 | 7x400 to 6x266 | 6x400 to 7x343 | |
| Min | 0.00% | 6.84% | 5.98% | 6.84% |
| Avg | 20.87% | 21.34% | 27.98% | 0.47% |
| Max | 18.95% | 23.39% | 33.06% | 4.44% |
The results here are interesting. See how using a 400 MHz FSB, be it at 2.4 GHz or 2.8 GHz, allow us to have higher minimum frame rates than either 343 MHz and the official 266 MHz FSB. Interesting but not really significant - the differences are so small, you wouldn't notice it in real life. Raw clock speed is still king - performance increases from clock speed are around 20 percent at 2.4 GHz and 27.98 percent at 2.8 GHz.
Richard Burns Rally - Harwood Forest, 1024 x 768
7x 266 MHz FSB
7x343 MHz FSB
6x400 MHz FSB
7x400 MHz FSB
| 7x343 to 6x266 | 6x400 to 6x266 | 7x400 to 6x266 | 6x400 to 7x343 | |
| Min | 29.02% | 35.36% | 45.38% | 6.33% |
| Avg | 24.86% | 31.85% | 50.22% | 6.99% |
| Max | 24.87% | 33.47% | 51.61% | 8.60% |
Wow. This game really responds well to clock increases. Look at how minimum, average and maximum frame rates stays pretty close to each other. In fact, they are still increasing with higher clocks. One really interesting to focus on is the fact that we reached the theoretical performance increase of 50 percent here. However, this game don't respond all that well to bandwidth increases. While the increase due to higher FSB is twice what we saw with SuperPi, they are hardly significant.
F1 Career Challenge - Custom Replay, 1024 x 768
7x 266 MHz FSB
7x343 MHz FSB
6x400 MHz FSB
7x400 MHz FSB
| 7x343 to 6x266 | 6x400 to 6x266 | 7x400 to 6x266 | 6x400 to 7x343 | |
| Min | 7.61% | 18.48% | 23.91% | 10.87% |
| Avg | 12.02% | 20.36% | 28.96% | 8.34% |
| Max | 13.33% | 20.56% | 30.83% | 7.22% |
Unfortunately, looks like current AMD's / ATI's Catalyst drivers, even back to the Catalyst 6.11 we used for our Intel P965 motherboards round up have a performance limiting bug with this game. However, since we're not comparing graphics cards and we use the same drivers and settings, we still think the results are still valid for comparing processor and system performance. Notice how minimum frame rates increase with higher FSBs - almost 11 percent. That's significant to some extent. Particularly when we see it is practically the same to what we get by going from 2.4 GHz to 2.8 GHz. This game responds very well to bandwidth increases.
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