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GeCube Radeon X1800XT Graphics Card (Page 12)

By Shawn Baker from Dec 26, 2005 @ 23:00 CST
TweakTown Rating: 8.5%Manufacturer: GeCube

CPU Overclocking

Even with the power of the AMD Athlon X2 and Intel Extreme Edition processors, we still find ourselves hitting a CPU limitation in a lot of our benchmarks. That is, the graphics cards have more performance to give but the processor is letting the team down.

By overclocking the processor we can see what kind of a performance increase we get. When something isn't CPU limited the performance increase isn't all that major but when we do have a CPU bottleneck, every MHz extra we can get can show us an excellent jump in performance.

The Athlon X2 3800+ was increased from 2GHz to 2.45GHz with a slight increase in the front side bus utilizing the stock X2 heatsink fan.

While we have quite a large CPU overclock the performance increase isn't huge.

ATI RADEON X1800 XT, (512 MB) Graphic Card

Here we can see that the performance increase is seen at the lower resolution.

Far Cry being so CPU limited sees massive performance gains with our CPU overclock.

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