Core Ultra 7 255H

General

Manufacturer

Intel

Family

Core Ultra 7

Codename

Arrow Lake-H

Type

Laptop

Instruction set

x86-64

Release date

January 2025

Launch price

US$ 514

Socket

BGA 2049

Memory

LPDDR5X-8400, DDR5-6400

Product page

intel.com ↗

Performance

Cores

16

Threads

16

Core layout

6P + 8E + 2LP-E

Base clock

2 GHz

Boost clock

5.1 GHz

L2 cache

26 MB

L3 cache

24 MB

TDP

28 W

Process

3 nm

Integrated GPU

Intel Arc 140T

Extensions

MMXSSESSE2SSE3SSSE3SSE4.1SSE4.2AESAVXF16CFMA3AVX2SHAAVX-VNNI

SPEC CPU

SPECrate 2017 Integer (base)

52.2 ↗

SPECrate 2017 Floating Point (base)

69.1 ↗

Highest published base result on a system with one processor. Each score links to its result at spec.org; retrieved Nov 10, 2026.

SPEC CPU 2017 was retired in November 2026: no new results are published, and its scores cannot be compared with SPEC CPU 2026.

SPEC, SPECrate and SPEC CPU are registered trademarks of the Standard Performance Evaluation Corporation (SPEC).