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Key specs
Cores
16
Threads
16
Boost Clock
5.1 GHz
TDP
20-28 W (configurable)
Socket
FCBGA-2049
Process
3 nm
Benchmarks
Rating
68
Perf.
64
iGPU
86
Energy
76
Cinebench 2024 Single-Core
125
Cinebench 2024 Multi-Core
1051
TDP
20-28 W
Cache L3
24MB
Cinebench 2024 (Single)
125
Cinebench 2024 (Multi)
1051
Geekbench 6 (Single-Core)
2725
Geekbench 6 (Multi-Core)
15,123
Passmark CPU (Single-Core)
4317
Passmark CPU (Multi-Core)
30,724
Blender CPU
275.27
iGPU FLOPS
4.6 TFLOPS
GeekBench v6
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
Integer math
78.1 GOps/sec
Floating point math
98.9 GOps/sec
Find prime numbers
303M Primes/sec
Random string sorting
36.1M Strings/sec
Data encryption
23.4 GBytes/sec
Data compression
299.1 MBytes/sec
Physics
2251 Frames/sec
Extended instructions
23.8B Matrices/sec
Performance Per Watt
Cinebench 2024 / Watt
37.5 PPW
Geekbench 6 Multi / Watt
540.1 PPW
Passmark CPU Mark / Watt
1097.3 PPW
Blender / Watt
9.83 PPW
General
Vendor
Intel
Released
January 6, 2025
Type
Laptop
Instruction Set
x86-64
Codename
Arrow Lake
Model number
255H
Integrated GPU
Arc Graphics 140T
AMD Equivalent
- AMD Ryzen AI 7 350
CPU
P-Cores
6
P-Threads
6
Base Frequency (P)
2.0 GHz
Turbo Boost Frequency (P)
5.1 GHz
E-Cores
10
E-Threads
10
Base Frequency (E)
1.5 GHz
Turbo Boost Frequency (E)
4.4 GHz
Total Cores
16
Total Threads
16
Bus Frequency
100 MHz
Multiplier
20x
L1 Cache
192K (per core)
L2 Cache
2MB (per core)
L3 Cache
24MB (shared)
Unlocked Multiplier
No
Package
Fabrication Process
3 nm
TDP (PL1)
20-28 W (configurable)
Max. Boost TDP (PL2)
115 W
Socket
FCBGA-2049
Peak Temperature
110°C
iGPU
Integrated Graphics
Arc Graphics 140T
GPU Base Clock
300 MHz
GPU Boost Clock
2250 MHz
Shading Units
1024
TMUs
64
ROPs
32
Execution Units
8
TGP
35 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 255H official page
PCI Express Version
5.0
PCI Express Lanes
28