AMD Jaguar Architecture Has Four Independent Cores
AMD unveiled its next-generation Jaguar low-power CPU micro-architecture for APUs in the 5W-25W TDP range, targeting everything from tablets to entry-level notebooks and nettops. This new core will replace the Bobcat and will take on Intel's Atom.
At the ISSC 2013 AMD announced a few killer features of "Jaguar”. To begin with, APUs with CPU cores based on this micro-architecture will be built using TSMC's 28-nanometer HKMG process. Jaguar allows for up to four x86-64 cores. The four cores, unlike Bulldozer modules, are completely independent, and only share a 2 MB L2 cache.
Jaguar also includes ISA instruction sets found on mainstream CPUs, such as AVX, SIMD instruction sets (e.g. SSE3, SSE4.1, SSE4.2, and SSE4A), all of which are quite widely adopted by modern media applications and AES-NI, which accelerates AES data encryption.
AMD claims to have improved its power-gating technology that completely cuts power to inactive cores, helping to conserve battery life.
Source: TechPowerUp
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