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Benchmark Results: A/V Encoding

System Builder Marathon: Performance And Value Compared

Proof that Apple's media software isn’t optimized for more than two threads is seen when the weakest processor—when clocked higher—beats everything else in iTunes.

Lame shows the stock speed $1,250 and $2,500 systems with exactly the same performance, which is expected for two machines that have the same processor. Yet, the cheaper of these takes a huge lead when overclocked, thanks almost entirely to its oversized CPU cooler and, by extension, its larger case.

TMPGEnc and Mainconcept love quad cores, and the $1,250 machine’s better overclocking capability again puts it ahead.

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