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Benchmark Results: Audio/Video

System Builder Marathon, March 2012: $650 Gaming PC


We’ve come to expect great per-clock performance from Intel’s Sandy Bridge architecture. But cutting the number of cores in half is going to spell trouble for this quarter's PC once we get to the threaded video encoding and productivity applications. Even though the newer machine employs Hyper-Threading, there's no making up for the Core i5's four physical cores.

Intel’s second-gen Turbo Boost Technology bumps the Core i5-2400’s base 3.1 GHz clock rate as high as 3.4 GHz, depending on how many cores are active. This feature wipes out our 3.3 GHz Core i3's chances of earning a victory in the single-threaded iTunes and Lame audio workloads. We have the feeling that the charts will only start looking worse, too.

CAS 7 timings have little effect on lowering this quarter's HandBrake and MainConcept results. It's also clear that the Core i3’s two-core/four-thread approach is no match for four physical cores based on the same architecture.

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