Atom at a Glance

Built on Intel's 45nm manufacturing process, the Atom is Intel's smallest x86 microprocessor with a < 25 mm^2 die size and 13 mm x 14 mm package size. Unlike previous Intel processors that targeted these market segments, Atom is 100% x86 compatible (Merom ISA to be specific, the Penryn SSE4 support isn't there due to die/power constraints).

At a high level, here are some of the architectural features that make the Atom unique. We'll be diving into a few of these over the coming pages:

A Prelude to Success Intel's Atom: Changing Intel from the Inside
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