Hard to say if it is UD7 TBH, if you look thru the top runs at hwbot the main differences in times come from memory. If you have an 1100mhz 7-7-6 kit of hyper you can get those 4-5 seconds over those running bbse or similar at 7-9-7 or 7-10-7 regardless of board. For example Brian's run is on par with those with over 100mhz extra cpu speed due to the memory. Only way to tell for sure is a few more direct comparos like the one you did.
http://hwbot.org/hardware/processor/...=cpubenchmarks
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