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Intel Core Ultra 7 255U
Intel Laptop CPU

Intel Core Ultra 7 255U

54B
Cores12
Threads14
Boost Clock5.2 GHz
TDP12-15 W (configurable)
SocketFCBGA-2049
Process3 nm
⇄ Compare with…

Benchmarks

Perf.50
iGPU52
Energy77
Cinebench 2024 Single-Core107
Cinebench 2024 Multi-Core515
TDP12-15 W
Cache L312MB
Cinebench 2024 (Single)107
Cinebench 2024 (Multi)515
Geekbench 6 (Single-Core)2450
Geekbench 6 (Multi-Core)10,058
Passmark CPU (Single-Core)3648
Passmark CPU (Multi-Core)17,874
iGPU FLOPS2.2 TFLOPS

Full specifications

GeekBench v6

File compression
999.4 MB/sec
Clang compilation
75.6 Klines/sec
HTML 5 Browser
267.7 pages/sec
PDF Renderer
334.8 Mpixels/sec
Text processing
240.5 pages/sec
Background blur
46.6 images/sec
Photo processing
80.8 images/sec
Ray tracing
12 Mpixels/sec

PassMark

Integer math
65.3 GOps/sec
Floating point math
45.7 GOps/sec
Find prime numbers
63M Primes/sec
Random string sorting
21.3M Strings/sec
Data encryption
12.4 GBytes/sec
Data compression
196.1 MBytes/sec
Physics
1137 Frames/sec
Extended instructions
10.8B Matrices/sec

Performance Per Watt

Cinebench 2024 / Watt
34.3 PPW
Geekbench 6 Multi / Watt
670.5 PPW
Passmark CPU Mark / Watt
1191.6 PPW

General

Vendor
Intel
Released
January 6, 2025
Type
Laptop
Instruction Set
x86-64
Codename
Arrow Lake
Model number
255U
Integrated GPU
Arc Graphics (4-Cores)

CPU

P-Cores
2
P-Threads
4
Base Frequency (P)
2.0 GHz
Turbo Boost Frequency (P)
5.2 GHz
E-Cores
10
E-Threads
10
Base Frequency (E)
1.7 GHz
Turbo Boost Frequency (E)
4.2 GHz
Total Cores
12
Total Threads
14
Bus Frequency
100 MHz
Multiplier
20x
L1 Cache
112K (per core)
L2 Cache
2MB (per core)
L3 Cache
12MB (shared)
Unlocked Multiplier
No

Package

Fabrication Process
3 nm
TDP (PL1)
12-15 W (configurable)
Max. Boost TDP (PL2)
57 W
Socket
FCBGA-2049
Peak Temperature
110°C

iGPU

Integrated Graphics
Arc Graphics (4-Cores)
GPU Base Clock
300 MHz
GPU Boost Clock
2100 MHz
Shading Units
512
TMUs
32
ROPs
16
Execution Units
64
TGP
14 W

Memory Support

Memory Types
- LPDDR5-8400 / - LPDDR5x-8400 / - DDR5-6400
Max. Memory Size
128 GB
Memory Channels
2
ECC Support
No

Misc

Official Site
Intel Core Ultra 7 255U official page
PCI Express Version
4.0
PCI Express Lanes
20

Specifications compiled from NanoReview. Last updated 2026-09-29.

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