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Athlon Thunderbird Overclocking (Page 4/5)

Posted: September 4, 2000
Written by: Tuan "Solace" Nguyen

The Numbers

Here you see the processors fair quite well considering an average Pentium III 1GHz system only gets about 490 points in SSIB. We see here that the difference between an aluminum and copper Athlon is insignificant. With the current speeds of processors, we wonít see the real benefits of using copper interconnects until later on when CPUís are beyond 1.5GHz.

We managed to get our 800MHz to reach 909MHz, which isnít shabby, but we were hopping for at least 950MHz. We used a FSB speed of 107MHz (effectively 214MHz) multiplied by 8.5x. At 909MHz, everything was stable and we experienced neither crashes nor anomalies. Perhaps we could have gone higher by using higher voltage settings.

Here we see the first processor to beat the 600 points barrier. Even a dual 1GHz Pentium III system only muscles out 500 points (but as you can see from the benchmarks above, the dual processor does almost nothing for this test). Going from 800MHz to 909MHz gave us an extra 24.9 points to add on to the mix, which is about a 5.3% increase in CPU performance (of course, clock for clock, it's a 13.6% performance boost). But the benchmark shows increase in CPU performance alone; other improvements will occur because weíve overclocked the motherboard's FSB which in turns increases performance across the charts.

Going from 1GHz to 1.12GHz broke the 600 points barrier and left all other systems in the dust. We jumped 26.3 points and improvements showed across the board from loading large programs like Adobe Photoshop 5.5 to intense games like Unreal Tournament. Letís take a look at Quake 3 performance.

Here we see improvements of about 10 frames per second over the equivalent default clocked processors. 10 fps isnít much of an improvement, but that's also a limit of the video card and the software.

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