Stefan Mileschin

AMD's "Excavator" module could fetch big power dividends for the company, with the top of the line Pro A12 "Carrizo" APU for mobile platforms offering TDP as low as 12W (normal usage), going up to 35W (maximum stress). AMD allows users to set the TDP for their processors. Built on the existing 28 nm process, these chips offer TDPs as low as the ones offered by Intel, built on 22 nm and even 14 nm nodes.

This is made possible because "Excavator" features heavily compacted registers and decode engines, and AMD spent a lot of R&D kicking out redundant or useless components from the silicon. The recently launched A-Series Pro "Carrizo" APUs feature two "Excavator" modules (four CPU cores), a GPU with eight GCN 1.2 compute units (512 stream processors), 2 MB of total cache, dual-channel DDR3-2133 integrated memory controllers.

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