Cores: 16L3 cache: 24MB (shared)TDP: 20-28 W (max. boost up to 115 W)Transistor size: 3 nm
Core Ultra 7 255H - laptop processor produced by Intel for socket FCBGA-2049 that has 16 cores and 16 threads. The base clock frequency of the CPU is 2000 MHz, but due to Turbo Boost technology, it can perform up to 5100 MHz. The size of the L3 cache is 24 MB. Please note that this chip has integrated graphics Arc Graphics 140T.
Single-Core Performance
79
Multi-Core Performance
49
NanoReview Final Score
68
Compare Intel Core Ultra 7 255H with other CPUs
Test in Benchmarks
Performance test of Intel Core Ultra 7 255H in benchmarks
Cinebench
Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
125
Cinebench 2024 (Multi)
1051
GeekBench v6
The new version of this benchmark emulates common operations often used in real-world apps
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)
4317
Passmark CPU (Multi-Core)
30724
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
Sources:
PassMark
[3]
β
2020
samples
Blender
3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Performance Per Watt
Shows the score you get per each watt of PL1 TDP
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
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
The latest benchmark tests that have been submitted by users
Specifications
Core Ultra 7 255H technical specifications
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
Performance Cores
P-Cores
6
P-Threads
6
Base Frequency (P)
2.0 GHz
Turbo Boost Frequency (P)
5.1 GHz
Efficient Cores
E-Cores
10
E-Threads
10
Base Frequency (E)
1.5 GHz
Turbo Boost Frequency (E)
4.4 GHz
Total
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
Fabrication Process
3 nm
TDP (PL1)
20-28 W (configurable)
Max. Boost TDP (PL2)
115 W
Socket
FCBGA-2049
Peak Temperature
110Β°C
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
See also:
Intel Arc 140T β integrated graphics of Intel Core Ultra 7 255H
Memory Types
- LPDDR5-8400
Max. Memory Size
128 GB
Memory Channels
2
ECC Support
No
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