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DDR3 Memory Scaling: Intel's Core 2 Quad Examined

Results: Synthetic Benchmarks

SiSoftware Sandra 2009 SP3

Performance differences are usually so small that it’s not really worth talking about them. The only exception is the gross memory bandwidth, which definitely increases considerably with increased memory clock speed and with tight timings.

PCMark Vantage

PCMark shows some advantage for the faster memory configurations.