CPUDesktopReleased Jan 1, 2010

Intel Core i5-655K

2C/4T · 3.5 GHz · 73 W

An unlocked-multiplier edition of Intel's first-generation Core i5 dual-core desktop line. Launched together with the Core i7-875K as one of Intel's first two enthusiast "K" parts, it pairs a 32 nm Westmere CPU die with a 45 nm on-package graphics die and was aimed at budget overclockers.

General

Manufacturer: Intel
Model: Intel Core i5-655K
Segment: Desktop
Generation: 1st Gen Intel Core
Codename: Clarkdale
Architecture: x86_64
Microarchitecture: Westmere
Release date: Jan 1, 2010
Price: Search on Amazon

Cores & clocks

Cores / threads: 2 cores / 4 threads
Base clock: 3.20 GHz
Boost clock: 3.46 GHz
TDP (design W): 73 W
Unlocked: ✓ Yes
L2 cache: 0.5 MB
L3 cache: 4 MB
Technology (nm): 32 nm
32 nm (CPU die) + 45 nm (GPU die)

Platform

Socket: FCLGA1156
2-CPU (multi-socket): ✕ No
Integrated GPU: Intel HD Graphics
Clock: 733 MHz
Memory type: DDR3-1066, DDR3-1333
2-channel
Memory size: Up to 16 GB
ECC memory: ✕ No
PCIe: PCIe 2.0

Instructions & AI

Instruction extensions: MMXSSESSE2SSE3SSSE3SSE4.1SSE4.2AES-NIIntel 64
NPU: None

OS support

Windows: Windows 10
Linux: UbuntuFedoraArch Linux
Notes: Not on Microsoft's Windows 11 supported-processor list; Windows 10 is the newest supported Windows release.