Does FSB speed make a difference in Core 2?

Apparently, not that much.


We were quite curious to find out what kind of effect the system bus has on the overall performance of a system, especially when it comes to quad-core processors. In the end we can see that it's in fact not that much. The biggest differences were achieved in the WinRAR benchmark where the performance is significantly better thanks to the higher FSB. Other than that we can't see any real improvements. One reason for this is that the motherboards of today change the latencies between the northbridge and the memory depending on the system bus. This improves the performance in the lower FSB regions, which could be why the lowest settings are able to keep up and even shine in so many of the benchmarks.
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  1. Nice find.
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