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.
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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- Page 1 [Introduction]
- Page 2 [The Package]
- Page 3 [The Card]
- Page 4 [Benchmarks - Test System Setup and 3DMark03]
- Page 5 [Benchmarks - 3DMark05]
- Page 6 [Benchmarks - Far Cry]
- Page 7 [Benchmarks - Half Life 2]
- Page 8 [Benchmarks - Doom 3]
- Page 9 [Benchmarks - Quake 4]
- Page 10 [Benchmarks - F.E.A.R.]
- Page 11 [Benchmarks - High Quality AA and AF]
- Page 12 [Benchmarks - CPU Overclocking]
- Page 13 [Benchmarks - Graphics Card Overclocking]
- Page 14 [Final Thoughts]