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iBuyPower P500X And P900DX Workstations, Reviewed

Encoding: HandBrake And LAME


Our HandBrake encoding test shows the P900DX as the clear leader, but only by 47%. Previous tests have shown that HandBrake favors both clock rate and the Ivy Bridge architecture, giving the P500X a small edge against its competition.


Due to its single-threaded nature, LAME favors the P500X's clock rate and architecture over the parallelism and memory bandwidth wielded by the P900DX. Even so, the P500X only manages a 5% lead.