Intel Core Ultra 7 255H

The Intel Core Ultra 7 255H is a 16-cores CPU (6 P-cores + 10 E-threads) laptop x86-64 processor built on a 3 nm process, featuring a 2.0 GHz base frequency with up to 5.1 GHz max turbo, 24M L3 Cache (shared) and integrated graphics Intel Arc Graphics 140T. It supports DDR5-6400, LPDDR5-8400, LPDDR5x-8448 memory and PCIe 5.0.
Intel Core Ultra 7 255H

GeekBench 6 Single-Core

Score
Core Ultra 7 255H
2747

GeekBench 6 Multi-Core

Score
Core Ultra 7 255H
15244

Cinebench 2024 Single-Core

Score
Core Ultra 7 255H
126

Cinebench 2024 Multi-Core

Score
Core Ultra 7 255H
1036

Cinebench R23 Single-Core

Score
Core Ultra 7 255H
2025

Cinebench R23 Multi-Core

Score
Core Ultra 7 255H
18839

iGPU

Score 4.6 TFLOPS

Essentials

Codename Arrow Lake
Platform Laptop
Lithography 3 nm
Launch Date 2025 Quarter 1

CPU cores and architecture

Performance Cores 6
Performance Threads 6
Performance Base frequency 2.0 GHz
Performance Boost frequency 5.1 GHz
Efficient Cores 10
Efficient Threads 10
Efficient Base frequency 1.5 GHz
Efficient Boost frequency 4.4 GHz
L2 Cache 2M
L3 Cache 24M
Overclocking Yes

Memory Specifications

Memory Types DDR5-6400
LPDDR5-8400
LPDDR5x-8448
Max Memory Size 128 GB
Memory Channels 2
ECC Support Yes

GPU Specifications

GPU Name Intel Arc Graphics 140T
Base Frequency 300 MHz
Max Frequency 2250 MHz

Package

Socket BGA-2049
Max. Operating Temperature 110

PCI Express

PCI Express Version 5.0
PCI Express Lanes 28