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Intel Core Ultra 7 255H

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  • Cores: 16
  • TDP: 20-28 W (configurable)
  • Transistor size: 3 nm
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Expert Verdict

A mid-to-upper-range Intel Core Ultra 7 255H processor with strong single-core performance (78/100), excellent power efficiency. Suited for everyday productivity.

Review

Single-Core Performance 78
Multi-Core Performance 51
Power Efficiency 78
Integrated Graphics 86
QucikComparison Final Score 68

Pros

  • Solid single-core performance
  • Great power efficiency
  • High core count (16 cores)
  • Capable integrated graphics
  • Modern DDR5 memory support

Cons

  • No significant drawbacks for its tier

Compare Intel Core Ultra 7 255H with other products

Full Specifications

Cinebench

Reputable cross-platform benchmark for high-performance processors

Cinebench 2024 (Single) 120
Cinebench 2024 (Multi) 1166
GeekBench v6
Geekbench 6 (Single-Core) 2725
Geekbench 6 (Multi-Core) 15123
File compression 1270 MB/sec
Clang compilation 103.2 Klines/sec
HTML 5 Browser 399 pages/sec
PDF Renderer 443.6 Mpixels/sec
Text processing 283.7 pages/sec
Background blur 62.4 images/sec
Photo processing 144.8 images/sec
Ray tracing 24 Mpixels/sec
PassMark

Synthetic test that focuses on raw computational performance for low-level functions

Passmark CPU (Single-Core) 4323
Passmark CPU (Multi-Core) 30657
Integer math 77.8 GOps/sec
Floating point math 98.9 GOps/sec
Find prime numbers 302M Primes/sec
Random string sorting 36M Strings/sec
Data encryption 23.3 GBytes/sec
Data compression 298.1 MBytes/sec
Physics 2267 Frames/sec
Extended instructions 23.8B Matrices/sec
Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)

Blender CPU 275.27
Performance Per Watt

Shows the score you get per each watt of PL1 TDP

Cinebench 2024 / Watt 41.6 PPW
Geekbench 6 Multi / Watt 540.1 PPW
Passmark CPU Mark / Watt 1094.9 PPW
Blender / Watt 9.83 PPW
General
Vendor Intel
Released 6-Jan-25
Type Laptop
Instruction Set x86-64
Codename Arrow Lake
Model number 255H
Integrated GPU Arc Graphics 140T
Qualcomm Equivalent —
CPU
Performance Cores
P-Cores 6
P-Threads 6
Base Frequency (P) 2.0 GHz
Efficient Cores
E-Cores 10
E-Threads 10
Base Frequency (E) 1.5 GHz
Total
Total Cores 16
Total Threads 16
Multiplier 20x
L1 Cache 192K (per core)
L2 Cache 2MB (per core)
Unlocked Multiplier No
Package
Transistors —
Fabrication Process 3 nm
TDP (PL1) 20-28 W (configurable)
Socket FCBGA-2049
Peak Temperature 110°C
iGPU
Integrated Graphics Arc Graphics 140T
GPU Boost Clock 2250 MHz
Shading Units 1024
TMUs 64
ROPs 32
Execution Units 8
iGPU FLOPS 4.6 TFLOPS
Memory Support
Memory Types #NAME?
Max. Memory Size 128 GB
Memory Channels 2
Max. Memory Bandwidth —
ECC Support No

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