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AMD proudly touts the compute potential of Llano’s 400 Radeon cores. Let’s explore how effective they are compared to Intel’s Quick Sync functionality when it comes to video transcoding:
The A8-3500M is certainly assisted by the general-purpose compute capability of its shader cores, going so far as to beat a similarly-clocked Phenom II X4 and Radeon HD 5570, suggesting that the plumbing of the APU is better-optimized for this task.
Having said that, Quick Sync is a lot faster. And the accelerated A8-3500M results can only match the Core i5-2520M handling the job with its processor cores.
The results aren’t altogether surprising. Fixed-function logic is designed to perform one task well, and that’s exactly what Quick Sync does. For as flexible as general-purpose resources can be, don’t expect an integrated graphics engine to ever be as fast or as power-efficient as Quick Sync in an application actually optimized for Intel’s Media SDK.