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

Intel Core Ultra 7 265HX vs Ultra 7 255HX

73 out of 100
Intel Core Ultra 7 265HX
VS
75 out of 100
Intel Core Ultra 7 255HX
Intel Core Ultra 7 265HX
Intel Core Ultra 7 255HX

We compared two 20-core laptop CPUs: the 2.6 GHz Intel Core Ultra 7 265HX against the 2.4 GHz Ultra 7 255HX. 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.
πŸ”Œ Usage Scenario:

Key Differences

What are the key differences between 255HX and 265HX
Advantages of Intel Core Ultra 7 265HX
  • 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 265HX
vs
Core Ultra 7 255HX

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 1250 MB/sec 1140 MB/sec
Clang compilation 194.4 Klines/sec 149.8 Klines/sec
HTML 5 Browser 358 pages/sec 312.2 pages/sec
PDF Renderer 496.8 Mpixels/sec 423.9 Mpixels/sec
Text processing 335.2 pages/sec 335.6 pages/sec
Background blur 75.8 images/sec 64.1 images/sec
Photo processing 123.8 images/sec 111.8 images/sec
Ray tracing 40 Mpixels/sec 31.1 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 126.2 GOps/sec 127 GOps/sec
Floating point math 160.5 GOps/sec 160.3 GOps/sec
Find prime numbers 406M Primes/sec 400M Primes/sec
Random string sorting 62.1M Strings/sec 62.4M Strings/sec
Data encryption 39.2 GBytes/sec 39.4 GBytes/sec
Data compression 508.4 MBytes/sec 513.6 MBytes/sec
Physics 2983 Frames/sec 2916 Frames/sec
Extended instructions 40.5B Matrices/sec 41.1B Matrices/sec
Sources: PassMark [3], [4] – 385 & 976 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 29.1 PPW 32 PPW
Geekbench 6 Multi / Watt 300.7 PPW 328 PPW
Passmark CPU Mark / Watt 867.8 PPW 874.8 PPW
Blender / Watt 6.8 PPW 7.11 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
Intel Core Ultra 7 265HX
No benchmark results yet
Add
Intel Core Ultra 7 255HX
DateBenchmarkResult
πŸ“˜ 2026-10-21 (KarlB)Cinebench 20260 / 3476
πŸ“˜ 2026-06-05 (Levi)Geekbench 6 CPU2907 / 17742
πŸ“˜ 2025-12-25 (Junebug)Cinebench 2024131 / 1759
πŸ“˜ 2025-12-17 (balihardik009)Cinebench 2024131 / 1820
πŸ“˜ 2025-11-26 (Verbickisd)Cinebench 2024125 / 1666
Add View all (6)

Specifications

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

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 265HX 255HX
Integrated GPU Arc Graphics (4-Cores) Arc Graphics (4-Cores)
Rival Equivalent - AMD Ryzen AI Max 385 - AMD Ryzen AI Max Pro 380
Intel CPU rating (35th and 30th place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 8 8
Base Frequency (P) 2.6 GHz 2.4 GHz
Turbo Boost Frequency (P) 5.3 GHz 5.2 GHz
Efficient Cores
E-Cores 12 12
E-Threads 12 12
Base Frequency (E) 2.3 GHz 1.8 GHz
Turbo Boost Frequency (E) 4.6 GHz 4.5 GHz
Total
Total Cores 20 20
Total Threads 20 20
Bus Frequency 100 MHz 100 MHz
Multiplier 26x 24x
L1 Cache 192K (per core) 192K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 30MB (shared) 30MB (shared)
Unlocked Multiplier Yes Yes

Package

Fabrication Process 3 nm 3 nm
TDP (PL1) 45-55 W (configurable) 45-55 W (configurable)
Max. Boost TDP (PL2) 160 W 160 W
Socket FCBGA-2114 FCBGA-2114
Peak Temperature 105Β°C 105Β°C
Laptop processors ranking (40th and 35th place)

iGPU

Integrated Graphics Arc Graphics (4-Cores) Arc Graphics (4-Cores)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1900 MHz 1850 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 265HX
1.9 TFLOPS
Core Ultra 7 255HX
1.9 TFLOPS
See: Intel Arc iGPU (4-Cores) benchmarks

Memory Support

Memory Types - DDR5-6400 - DDR5-6400
Max. Memory Size 256 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth 102.4 GB/s 102.4 GB/s
ECC Support Yes Yes

Misc

Official Site Intel Core Ultra 7 265HX official page Intel Core Ultra 7 255HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 24 24

Cast your vote

Choose between two processors
5 (27.8%)
13 (72.2%)
Total votes: 18

Competitors

1. Intel Core Ultra 7 255HX vs AMD Ryzen AI 9 HX 370 (1)
2. Intel Core Ultra 7 255HX vs Intel Core Ultra 9 275HX
3. Intel Core Ultra 7 255HX vs Intel Core Ultra 9 285HX
4. Intel Core Ultra 7 255HX vs AMD Ryzen 7 8840HS
5. Intel Core Ultra 7 255HX vs AMD Ryzen 7 260
6. Intel Core Ultra 7 265HX vs Intel Core Ultra 9 285HX
7. Intel Core Ultra 7 265HX vs Intel Core Ultra 9 275HX
8. Intel Core Ultra 7 265HX vs AMD Ryzen 7 7840HS
9. Intel Core Ultra 7 265HX vs Intel Core Ultra 7 265K
10. Intel Core Ultra 7 265HX vs AMD Ryzen 7 8845HS
Compare other CPUs (460+)

Comments

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