Haswell (microarchitecture)

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Haswell is a microarchitecture for central processing units (CPUs) developed by Intel. First released in 2013, Haswell implements the x86-64 instruction set, which is the 64-bit variant of x86. It is the tick part of Intel's Tick–tock model, the stage where new architectural designs are implemented, while inheriting the previous generation's manufacturing process; Haswell chips share the same 22 nm FinFET with its predecessor, Ivy Bridge. Instead, Haswell is focused on microarchitectural improvements. Products based on Haswell were marketed as the 4th generation Core, v3-suffixed Xeon processors, and various other models of Pentium and Celeron. The earliest demonstration of Haswell-based chips took place at the 2011 Intel Developer Forum, with products officially announced on June 4, 2013, at that year's Computex Taipei. Commercial sales began for manufacturers and OEMs in mid-2013, and standalone desktop chips in September 2013. Haswell CPUs are compatible with motherboards using Intel...

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