| Overclocking
For many
of today's "fanatics" (to quote Michael Dell),
the ability to overclock a CPU and video card is crucial
in their decision-making process. I decided to use 3D
Mark 2000 to demonstrate the effects of overclocking.
It provided some interesting results.

I was
not able to overclock the memory on the Erazor X2 consistantly
enough to warrant inclusion here. The heatsinks I mentioned
earlier would definitely help that. However I did include,
for comparison purposes, the overclocking of the core
of the Erazor X2 from 120MHz to 125MHz. [side note:
this card was not pushed to its limits] I've also included
results of overclocking the CPU. As you can see, overclocking
the CPU brings nice results, though for a 20% increase
in CPU speed, there was only a corresponding increase
of 14% in the 3D Marks. A 4% increase in the Erazor
X2 core only brought a 2% overall performance increase...probably
not worth the extra heat generated by the chip. The
numbers that are surprising are the results for the
High Polygon Counts. nVidia has been criticized for
the poor Lighting performance of the GeForce's T&L
engine when multiple light sources are used. However,
look at the results of the multiple lights when the
FSB is increased to 120MHz. This yields an AGP speed
of 80MHz (AGP spec is 66MHz). Now for a 20% increase
in bus speed, we see a 35% increase in 4 lights and
a whopping 48% increase with 8 lights! It looks like
the AGP bus is a bottleneck when it comes to Lighting
throughput. I don't have an AGP 4X motherboard, but
it would be interesting to see if those kind of results
hold true for a non-overclocked system running at AGP
4X.
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