CPUDesktopReleased Oct 5, 2017

Intel Core i5-8400

6C/6T · 4.0 GHz · 65 W

Intel's first mainstream six-core Core i5, launched in October 2017 with the first wave of Coffee Lake desktop processors for LGA 1151 motherboards with 300-series chipsets. Its strong price-to-performance made it a popular gaming CPU of its generation.

General

Manufacturer: Intel
Model: Intel Core i5-8400
Segment: Desktop
Generation: 8th Gen Core
Codename: Coffee Lake-S
Architecture: x86_64
Microarchitecture: Coffee Lake
Release date: Oct 5, 2017
Price: $182Search on Amazon

Cores & clocks

Cores / threads: 6 cores / 6 threads
Base clock: 2.80 GHz
Boost clock: 4.00 GHz
TDP (design W): 65 W
Unlocked: ✕ No
L2 cache: 1.5 MB
L3 cache: 9 MB
Technology (nm): 14 nm
14 nm

Platform

Socket: FCLGA1151
2-CPU (multi-socket): ✕ No
Integrated GPU: Intel UHD Graphics 630
Clock: 1,050 MHz
Memory type: DDR4-2666
2-channel
Memory size: Up to 128 GB
ECC memory: ✕ No
PCIe: PCIe 3.0 (16 lanes)

Instructions & AI

Instruction extensions: SSE4.1SSE4.2AVX2AES-NI
NPU: None

OS support

Windows: Windows 10Windows 11 24H2Windows 11 25H2Windows 11 26H2
ChromeOS: ChromeOS
Linux: UbuntuFedoraArch Linux
Notes: Intel 8th Generation Core processors are on Microsoft's supported processor list for Windows 11, and Windows 10 is supported. macOS is not supported. Mainstream Linux distributions and ChromeOS Flex run on this processor.