Home > CPU Comparison > Core Ultra 7 265U or Core Ultra 7 255U: what's better?

Intel Core Ultra 7 265U vs Ultra 7 255U

54 out of 100
Intel Core Ultra 7 265U
VS
54 out of 100
Intel Core Ultra 7 255U
Intel Core Ultra 7 265U
Intel Core Ultra 7 255U

We compared two 12-core laptop CPUs: the 2.1 GHz Intel Core Ultra 7 265U against the 2.0 GHz Ultra 7 255U. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
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Key Differences

What are the key differences between 255U and 265U
Advantages of Intel Core Ultra 7 265U
  • 2% higher Turbo Boost frequency (5.3 GHz vs 5.2 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 7 265U
vs
Core Ultra 7 255U

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
File compression 991 MB/sec 999.4 MB/sec
Clang compilation 78 Klines/sec 75.6 Klines/sec
HTML 5 Browser 260.8 pages/sec 267.7 pages/sec
PDF Renderer 300.3 Mpixels/sec 334.8 Mpixels/sec
Text processing 255.3 pages/sec 240.5 pages/sec
Background blur 46.9 images/sec 46.6 images/sec
Photo processing 89.2 images/sec 80.8 images/sec
Ray tracing 15.5 Mpixels/sec 12 Mpixels/sec
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Integer math 63.5 GOps/sec 65.3 GOps/sec
Floating point math 44.4 GOps/sec 45.7 GOps/sec
Find prime numbers 64M Primes/sec 63M Primes/sec
Random string sorting 21M Strings/sec 21.3M Strings/sec
Data encryption 12 GBytes/sec 12.4 GBytes/sec
Data compression 191.7 MBytes/sec 196.1 MBytes/sec
Physics 1140 Frames/sec 1137 Frames/sec
Extended instructions 10.7B Matrices/sec 10.8B Matrices/sec
Sources: PassMark [3], [4] – 784 & 649 samples

Blender

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

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 36.5 PPW 34.3 PPW
Geekbench 6 Multi / Watt 694.2 PPW 670.5 PPW
Passmark CPU Mark / Watt 1168 PPW 1191.6 PPW
Blender / Watt 7.63 PPW -
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of Intel Core Ultra 7 265U and Ultra 7 255U

General

Vendor Intel Intel
Released January 6, 2025 January 6, 2025
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Arrow Lake
Model number 265U 255U
Integrated GPU Arc Graphics (4-Cores) Arc Graphics (4-Cores)
Rival Equivalent - AMD Ryzen 7 250 -
Intel CPU rating (121st and 120th place)

CPU

Performance Cores
P-Cores 2 2
P-Threads 4 4
Base Frequency (P) 2.1 GHz 2.0 GHz
Turbo Boost Frequency (P) 5.3 GHz 5.2 GHz
Efficient Cores
E-Cores 10 10
E-Threads 10 10
Base Frequency (E) 1.7 GHz 1.7 GHz
Turbo Boost Frequency (E) 4.2 GHz 4.2 GHz
Total
Total Cores 12 12
Total Threads 14 14
Bus Frequency 100 MHz 100 MHz
Multiplier 21x 20x
L1 Cache 112K (per core) 112K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 12MB (shared) 12MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 3 nm 3 nm
TDP (PL1) 12-15 W (configurable) 12-15 W (configurable)
Max. Boost TDP (PL2) 57 W 57 W
Socket FCBGA-2049 FCBGA-2049
Peak Temperature 110°C 110°C
Laptop processors ranking (160th and 159th place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Arc Graphics (4-Cores)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2100 MHz 2100 MHz
Shading Units 512 512
TMUs 32 32
ROPs 16 16
Execution Units 64 64
TGP 14 W 14 W
iGPU FLOPS
Core Ultra 7 265U
2.2 TFLOPS
Core Ultra 7 255U
2.2 TFLOPS
See: Intel Arc iGPU (4-Cores) benchmarks

Memory Support

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

Misc

Official Site Intel Core Ultra 7 265U official page Intel Core Ultra 7 255U official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
3 (42.9%)
4 (57.1%)
Total votes: 7

Competitors

1. Intel Core Ultra 7 255U vs Intel Core Ultra 7 155U
2. Intel Core Ultra 7 255U vs Intel Core Ultra 7 165U
3. Intel Core Ultra 7 255U vs Intel Core Ultra 7 255H
4. Intel Core Ultra 7 255U vs Intel Core 7 150U
5. Intel Core Ultra 7 255U vs Intel Core i7 1355U
6. Intel Core Ultra 7 265U vs Intel Core Ultra 5 235U
7. Intel Core Ultra 7 265U vs Intel Core i7 1365U
8. Intel Core Ultra 7 265U vs Intel Core Ultra 7 165U
9. Intel Core Ultra 7 265U vs Intel Core Ultra 7 155U
10. Intel Core Ultra 7 265U vs Intel Core Ultra 7 155H
Compare other CPUs (460+)

Comments

So which CPU will you choose: Intel Core Ultra 7 255U or Ultra 7 265U?
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