Intel Core Ultra 7 265H vs Ultra 7 255HX

We compared two laptop CPUs: the 2.2 GHz Intel Core Ultra 7 265H with 16-cores against the 2.4 GHz Ultra 7 255HX with 20-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

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 265H
Advantages of Intel Core Ultra 7 265H
  • More powerful Arc Graphics 140T integrated graphics: 4.7 vs 1.9 TFLOPS
  • 2% higher Turbo Boost frequency (5.3 GHz vs 5.2 GHz)
Advantages of Intel Core Ultra 7 255HX
  • Unlocked multiplier
  • Supports up to 256 GB DDR5-6400 RAM
  • Has 4 more physical cores
  • Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming

Test in Benchmarks

Comparing the performance of CPUs across various tasks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (120th and 48th place)

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 1310 MB/sec 1140 MB/sec
Clang compilation 122.7 Klines/sec 149.8 Klines/sec
HTML 5 Browser 405.7 pages/sec 312.2 pages/sec
PDF Renderer 467.8 Mpixels/sec 423.9 Mpixels/sec
Text processing 325.4 pages/sec 335.6 pages/sec
Background blur 66.5 images/sec 64.1 images/sec
Photo processing 150.8 images/sec 111.8 images/sec
Ray tracing 24.4 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 85.4 GOps/sec 127 GOps/sec
Floating point math 108.9 GOps/sec 160.3 GOps/sec
Find prime numbers 335M Primes/sec 400M Primes/sec
Random string sorting 40.7M Strings/sec 62.4M Strings/sec
Data encryption 26 GBytes/sec 39.4 GBytes/sec
Data compression 334.4 MBytes/sec 513.6 MBytes/sec
Physics 2493 Frames/sec 2916 Frames/sec
Extended instructions 26.8B Matrices/sec 41.1B Matrices/sec
Sources: PassMark [3], [4] – 1114 & 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 41.1 PPW 32 PPW
Geekbench 6 Multi / Watt 550.3 PPW 328 PPW
Passmark CPU Mark / Watt 1214.3 PPW 874.8 PPW
Blender / Watt 8.44 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 265H
No benchmark results yet
Intel Core Ultra 7 255HX
DateBenchmarkResult
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
πŸ“˜ 2025-11-24 (Abhi)Geekbench 6 CPU2823 / 17264

Specifications

Full technical specification of Intel Core Ultra 7 265H 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 265H 255HX
Integrated GPU Arc Graphics 140T Arc Graphics (4-Cores)
Rival Equivalent - AMD Ryzen 7 260 - AMD Ryzen AI Max Pro 380
Intel CPU rating (42nd and 29th place)

CPU

Performance Cores
P-Cores 6 8
P-Threads 6 8
Base Frequency (P) 2.2 GHz 2.4 GHz
Turbo Boost Frequency (P) 5.3 GHz 5.2 GHz
Efficient Cores
E-Cores 10 12
E-Threads 10 12
Base Frequency (E) 1.7 GHz 1.8 GHz
Turbo Boost Frequency (E) 4.5 GHz 4.5 GHz
Total
Total Cores 16 20
Total Threads 16 20
Bus Frequency 100 MHz 100 MHz
Multiplier 22x 24x
L1 Cache 192K (per core) 192K (per core)
L2 Cache 2MB (per core) 2MB (per core)
L3 Cache 24MB (shared) 30MB (shared)
Unlocked Multiplier No Yes

Package

Fabrication Process 3 nm 3 nm
TDP (PL1) 20-28 W (configurable) 45-55 W (configurable)
Max. Boost TDP (PL2) 115 W 160 W
Socket FCBGA-2049 FCBGA-2114
Peak Temperature 110Β°C 105Β°C
Laptop processors ranking (52nd and 33rd place)

iGPU

Integrated Graphics Arc Graphics 140T Arc Graphics (4-Cores)
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2300 MHz 1850 MHz
Shading Units 1024 512
TMUs 64 32
ROPs 32 16
Execution Units 8 64
TGP 35 W 14 W
iGPU FLOPS
4.7 TFLOPS
1.9 TFLOPS

Memory Support

Memory Types - LPDDR5-8400
- LPDDR5x-8400
- DDR5-6400
- DDR5-6400
Max. Memory Size 128 GB 256 GB
Memory Channels 2 2
Max. Memory Bandwidth - 102.4 GB/s
ECC Support No Yes

Misc

Official Site Intel Core Ultra 7 265H official page Intel Core Ultra 7 255HX official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 24

Cast your vote

Choose between two processors
0 (0%)
3 (100%)
Total votes: 3

Comments

So which CPU will you choose: Intel Core Ultra 7 255HX or Ultra 7 265H?
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QbaS April 22, 2026 at 09:35 PM
Great page with perfect results review and summary.
0 Reply