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Definition: APU

(1) (Accelerated Processing Unit) A chip that contains both the CPU and GPU. See GPU and AMD Fusion.

(2) (Application Processing Unit) Another term for CPU, an APU is a general-purpose processor in contrast to specialized processors for graphics, voice, photos, etc. The APU term is typically found on a system-on-chip (SoC), which houses several different processing units. See SoC, GPU, DSP and image processor.