Skylake (microarchitecture)
CPU microarchitecture by Intel / From Wikipedia, the free encyclopedia
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Skylake[6][7] is Intel's codename for its sixth generation Core microprocessor family that was launched on August 5, 2015,[8] succeeding the Broadwell microarchitecture.[9] Skylake is a microarchitecture redesign using the same 14 nm manufacturing process technology[10] as its predecessor, serving as a tock in Intel's tick–tock manufacturing and design model. According to Intel, the redesign brings greater CPU and GPU performance and reduced power consumption. Skylake CPUs share their microarchitecture with Kaby Lake, Coffee Lake, Whiskey Lake, and Comet Lake CPUs.
It has been suggested that this article should be split into articles titled Skylake (microprocessor) and Skylake (microarchitecture). (discuss) (April 2021) |
General information | |
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Launched | August 5, 2015; 8 years ago (August 5, 2015) |
Discontinued | March 4, 2019; 5 years ago (March 4, 2019) (desktop processors) |
Marketed by | Intel |
Designed by | Intel |
Common manufacturer(s) | |
CPUID code | 0406e3h, 0506e3h |
Product code |
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Performance | |
Max. CPU clock rate | Up to 5.0 GHz |
Cache | |
L1 cache | 64 KB per core (32 KB instructions + 32 KB data) |
L2 cache | 256 KB per core (1 MB per core for Skylake-X, SP, and W) |
L3 cache | Up to 38.5 MB shared |
L4 cache | 128 MB of eDRAM (on Iris Pro models) |
Architecture and classification | |
Technology node | 14 nm bulk silicon 3D transistors (Tri-Gate) |
Microarchitecture | Skylake |
Instruction set | x86-16, IA-32, x86-64 |
Extensions | |
Physical specifications | |
Cores |
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Socket(s) | |
Products, models, variants | |
Product code name(s) |
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Brand name(s) |
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History | |
Predecessor(s) | Broadwell (Tick/Process) |
Successor(s) |
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Support status | |
Client: Unsupported as of December 30, 2022 for iGPU Xeon E3 v5: Unsupported as of December 30, 2022 for iGPU Other Xeon: supported |
Skylake is the last Intel platform on which Windows earlier than Windows 10 are officially supported by Microsoft,[11] although enthusiast-created modifications are available that disabled the Windows Update check and allowed Windows 8.1 and earlier to continue to receive Windows Updates on this and later platforms.[12][13][14]
Some of the processors based on the Skylake microarchitecture are marketed as 6th-generation Core.[15][16][17]
Intel officially declared end of life and discontinued Skylake LGA 1151 CPUs (except Xeon E3 v5) on March 4, 2019.[18]