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Multi GPU Testing
So why bother? Two reasons really. Competitive benchmarking and bragging rights. Aside from manufacture driven overclocking competitions like GOOC and MOA, the main force behind competitive benchmarking is HWBot. HWBot (http://www.hwbot.org) is a website dedicated to collecting and maintaining benchmark results for the purpose of ranking those scores against other submissions. As with any competition, the person with the best score overall wins. It may not sound like much, but the whole process is rather addicting, especially when you set out to overtake a position and do whatever it takes to make it happen.
We are going to run a couple of popular benchmarks found on HWBot and see how the different motherboard configurations affect the scores. To help keep the results as fair as possible each of the systems were tuned to have similar CPU scores (unless otherwise noted below)
Western Digital Raptor X 150BG SerialATA 10000RPM
LG 20x Super Multi GSA-H55L
Corsair HX 850 Watt PSU
Windows 7 Ultimate 64bit
Drivers and Cards:
Radeon HD 4850 512MB Crossfire (Catalyst 10.10)
Core i5 750 @ 4.0Ghz – Used on all P55 based motherboards
Core 2 Duo E6400 @ 3.4Ghz – Used on all X48 based motherboards (inaccurate cpu score)
Phenom II X6 1090T @ 3.6Ghz – Used on 890FX based motherboards
Phenom II X3 720 @ 2.8Ghz – Used on 790FXB (inaccurate cpu score)
Opteron 148 @ 2.2Ghz – Used on NFPIK8AA (inaccurate cpu score)