Haswell (microarchitecture)
Intel processor microarchitecture / From Wikipedia, the free encyclopedia
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Haswell is the codename for a processor microarchitecture developed by Intel as the "fourth-generation core" successor to the Ivy Bridge (which is a die shrink/tick of the Sandy Bridge microarchitecture).[1] Intel officially announced CPUs based on this microarchitecture on June 4, 2013, at Computex Taipei 2013,[2] while a working Haswell chip was demonstrated at the 2011 Intel Developer Forum.[3] Haswell was the last generation of Intel processor to have socketed processors on mobile. With Haswell, which uses a 22 nm process,[4] Intel also introduced low-power processors designed for convertible or "hybrid" ultrabooks, designated by the "U" suffix. Haswell began shipping to manufacturers and OEMs in mid-2013, with its desktop chips officially launched in September 2013.
General information | |
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Launched | June 4, 2013; 10 years ago (June 4, 2013) |
Marketed by | Intel |
Designed by | Intel |
Common manufacturer(s) |
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CPUID code | 0306C3h |
Product code |
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Performance | |
Max. CPU clock rate | 800 MHz to 4.4 GHz |
QPI speeds | 9.6 GT/s |
DMI speeds | 4 GT/s |
Cache | |
L1 cache | 64 KB per core (32 KB instructions + 32 KB data) |
L2 cache | 256 KB per core |
L3 cache | 2–45 MB (shared) |
L4 cache | 128 MB of eDRAM (Iris Pro models only) |
Architecture and classification | |
Technology node | 22 nm (Tri-Gate) |
Microarchitecture | Haswell |
Instruction set | x86-16, IA-32, x86-64 |
Extensions | |
Physical specifications | |
Cores |
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GPU(s) |
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Socket(s) |
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Products, models, variants | |
Model(s) |
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Brand name(s) |
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History | |
Predecessor(s) | Sandy Bridge (Tock) Ivy Bridge (Tick) |
Successor(s) | Broadwell (Tick/Process) Skylake (Tock) |
Support status | |
Unsupported |
Haswell CPUs are used in conjunction with the Intel 8 Series chipsets, 9 Series chipsets, and C220 series chipsets.
At least one Haswell-based processor was still being sold in 2022 — the Pentium G3420.[5][6] Windows 7 through Windows 10 were released for the Haswell microarchitecture.