CPUDesktopReleased Jun 19, 2017

Intel Core i7-7820X X-series Processor

8C/16T · 4.3 GHz · 140 W

The Intel Core i7-7820X is an eight-core Skylake-X processor for the LGA 2066 high-end desktop platform, released in June 2017. It is the smallest Core X-series model with Intel Turbo Boost Max Technology 3.0, reaching up to 4.5 GHz, and provides quad-channel memory and 28 PCIe lanes on X299 motherboards. It has no integrated graphics.

General

Manufacturer
Intel
Model
Intel Core i7-7820X X-series Processor
Segment
Desktop
Generation
Core X-series (Skylake-X)
Codename
Skylake-X
Architecture
x86_64
Microarchitecture
Skylake
Release date
Jun 19, 2017

Cores & clocks

Cores / threads
8 cores / 16 threads
Base clock
3.60 GHz
Boost clock
4.30 GHz
TDP (design W)
140 W
Unlocked
✓ Yes
L2 cache
8 MB
L3 cache
11 MB
Technology (nm)
14 nm

Platform

Socket
FCLGA2066
2-CPU (multi-socket)
✕ No
Integrated GPU
None
Memory type
DDR4-2666
4-channel
Memory size
Up to 128 GB
ECC memory
✕ No
PCIe
PCIe 3.0, 28 lanes

Instructions & AI

Instruction extensions
Intel SSE4.1Intel SSE4.2Intel AVX2Intel AVX-512
NPU
None

OS support

Windows
Windows 10
ChromeOS
ChromeOS
Linux
UbuntuFedoraArch Linux
Notes
Listed on Microsoft's original Windows 11 supported-processor list under the Intel Core X-series, but not included in the supported-processor lists for Windows 11 versions 24H2 and 25H2; the 26H2 processor list has not been published. Windows 10 and the mainstream Linux distributions are supported, and ChromeOS Flex installs on generic x86-64 hardware. macOS is not supported.
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