SiS 645DX Reference Board (3)
Overclocker 4 March 2002

SiS645DX

Benchmarking

We conduct the usual tests on the setup with the following configuration :

Test System:

• Intel Pentium 4 ES 1.5Ghz
• ThermalTake heatsink/fan
• IBM 13.5GB 7200 RPM HD
• MSI Geforce3 Ti200
• 512MB Winbond DDR333 DDR
• IBM 20G ATA100 HD
• Windows 2000 + SP2
• SiS1.09m AGP/IDE drivers

In our tests, we ran the system under 3 modes. Sync 133 optimised, Async 133/166 optimised and Async 133/200. At 133/166 (DDR333), ram timings are CAS2 Ultra, at 133/200 (DDR400), ram timings are CAS 2 Fast. The rest are at defaults. We will first take a look at memory benchmarks.

DDR266 

DDR333

DDR400

Summary

SiSoft Sandra 2001te

SiSoft Sandra 2002

The results are astonishing imperssive isn't it. Just imagine the difference in the memory benchmark from DDR266, DDR333 and DDR400. Base on SiSoft Sandra 2001te results, there is a gain of 18% (DDR333) over DDR266 and 32% (DDR400) over DDR266.

In Sisoft Sandra 2002 results, the difference is also quite substantial when running memory at async mode. The gains of DDR333 over DDR266 are 25% and DDR400 sees a gain of 40%.

The gains in the Async memory is very impressive. In fact, the memory benchmark results at DDR333 is already way higher then the RAMBUS on i850 based systems.

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