CPUDesktopReleased Jan 1, 2026

Intel Core Ultra 5 processor 250K Plus

18C/18T · 5.3 GHz · 125 W

An unlocked desktop processor from Intel's Core Ultra 200S Plus series, the Arrow Lake refresh of the LGA 1851 platform. It carries four more E-cores than the Core Ultra 5 245K it succeeds, and the unlocked multiplier makes it a mainstream overclocking option.

General

Manufacturer: Intel
Model: Intel Core Ultra 5 processor 250K Plus
Segment: Desktop
Generation: Core Ultra 200S Plus
Codename: Arrow Lake-S Refresh
Architecture: x86_64
Microarchitecture: Arrow Lake
Release date: Jan 1, 2026
Price: Search on Amazon

Cores & clocks

Cores / threads: 18 cores / 18 threadsP6+E12
Base clock: 4.20 GHz
Boost clock: 5.30 GHz
TDP (design W): 125 W
Max: 159 W
Unlocked: ✓ Yes
L2 cache: 30 MB
L3 cache: 30 MB
Technology (nm): 3 nm
TSMC N3B

Platform

Socket: FCLGA1851
2-CPU (multi-socket): ✕ No
Integrated GPU: Intel Graphics
Clock: 1,900 MHz
Memory type: DDR5-7200
2-channel
Memory size: Up to 256 GB
ECC memory: ✓ Yes
PCIe: PCIe 5.0, 4.0

Instructions & AI

Instruction extensions: Intel SSE4.1Intel SSE4.2Intel AVX2
NPU: Intel AI Boost — 13 TOPS

OS support

Windows: Windows 11 24H2Windows 11 25H2Windows 11 26H2
Linux: UbuntuFedoraArch Linux
Notes: Windows 11 only: Intel does not publish Windows 10 graphics or NPU drivers for Core Ultra Series 2.

All Intel CPUs →

Desktop cpus from Intel announced around the same time as the Intel Core Ultra 5 processor 250K Plus. Add any of them to your compare list to see the specs side by side.

cpu