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

Intel Core Ultra 7 265K vs Ultra 7 255H

85 out of 100
Intel Core Ultra 7 265K
VS
66 out of 100
Intel Core Ultra 7 255H
Intel Core Ultra 7 265K
Intel Core Ultra 7 255H

We compared two CPUs: the 3.9 GHz Intel Core Ultra 7 265K (desktop) with 20-cores against the 2.0 GHz Ultra 7 255H (laptop) with 16-cores. 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 (1)

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
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click β€œCalculate".
Currency
VS
100.2
(Excellent)
Value Index
30.3
(Mediocre)

Key Differences

What are the key differences between 255H and 265K
Advantages of Intel Core Ultra 7 265K
  • 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
  • 16% faster in a single-core Geekbench v6 test - 3157 vs 2725 points
  • 6% higher Turbo Boost frequency (5.4 GHz vs 5.1 GHz)
Advantages of Intel Core Ultra 7 255H
  • More powerful Arc Graphics 140T integrated graphics: 4.6 vs 2 TFLOPS

Test in Benchmarks

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

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (24th and 143rd place)
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 1580 MB/sec 1270 MB/sec
Clang compilation 201.1 Klines/sec 103.2 Klines/sec
HTML 5 Browser 475.1 pages/sec 399 pages/sec
PDF Renderer 615.6 Mpixels/sec 443.6 Mpixels/sec
Text processing 350.8 pages/sec 283.7 pages/sec
Background blur 76.9 images/sec 62.4 images/sec
Photo processing 167.2 images/sec 144.8 images/sec
Ray tracing 42.2 Mpixels/sec 24 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 143.2 GOps/sec 78.1 GOps/sec
Floating point math 189.6 GOps/sec 98.9 GOps/sec
Find prime numbers 492M Primes/sec 303M Primes/sec
Random string sorting 79.7M Strings/sec 36.1M Strings/sec
Data encryption 48.2 GBytes/sec 23.4 GBytes/sec
Data compression 665.6 MBytes/sec 299.1 MBytes/sec
Physics 3730 Frames/sec 2251 Frames/sec
Extended instructions 54.3B Matrices/sec 23.8B Matrices/sec
Sources: PassMark [3], [4] – 8205 & 2020 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 16.1 PPW 37.5 PPW
Geekbench 6 Multi / Watt 171 PPW 540.1 PPW
Passmark CPU Mark / Watt 468.7 PPW 1097.3 PPW
Blender / Watt 3.72 PPW 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
Intel Core Ultra 7 265K
DateBenchmarkResult
πŸ“˜ 2026-02-08 (HongKonger)Cinebench 2024140 / 1994
πŸ“˜ 2026-01-03 (HYUNKYU)Cinebench 2024137 / 1829
πŸ“˜ 2026-01-01 (Omi)Cinebench 2024138 / 1993
πŸ“˜ 2025-12-29 (Kolli)Cinebench 2024137 / 2012
πŸ“˜ 2025-11-06 (HJH)Cinebench 2024138 / 2020
Add View all (21)
Intel Core Ultra 7 255H
DateBenchmarkResult
πŸ“˜ 2026-09-06 -> xnullcodeGeekbench 6 CPU3009 / 11440
πŸ“˜ 2026-08-15 -> xnullcodeGeekbench 6 CPU2849 / 11877
πŸ“˜ 2026-08-15 -> xnullcodeGeekbench 6 CPU2848 / 11898
πŸ“˜ 2026-08-15 -> xnullcodeCinebench 20260 / 3496
πŸ“˜ 2026-08-15 (xnullcode)Geekbench 6 CPU2708 / 11477
Add View all (16)

Specifications

Full technical specification of Intel Core Ultra 7 265K and Ultra 7 255H

General

Vendor Intel Intel
Released October 11, 2024 January 6, 2025
Type Desktop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Arrow Lake
Model number 265K 255H
Integrated GPU Arc iGPU (4-Cores) Arc Graphics 140T
Rival Equivalent - AMD Ryzen 7 9700X - AMD Ryzen AI 7 350
Successor - Intel Core Ultra 7 270K Plus -
Intel CPU rating (8th and 50th place)

CPU

Performance Cores
P-Cores 8 6
P-Threads 8 6
Base Frequency (P) 3.9 GHz 2.0 GHz
Turbo Boost Frequency (P) 5.4 GHz 5.1 GHz
Efficient Cores
E-Cores 12 10
E-Threads 12 10
Base Frequency (E) 3.3 GHz 1.5 GHz
Turbo Boost Frequency (E) 4.6 GHz 4.4 GHz
Total
Total Cores 20 16
Total Threads 20 16
Bus Frequency 100 MHz 100 MHz
Multiplier 39x 20x
L1 Cache 112K (per core) 192K (per core)
L2 Cache 3MB (per core) 2MB (per core)
L3 Cache 30MB (shared) 24MB (shared)
Unlocked Multiplier Yes No

Package

Fabrication Process 3 nm 3 nm
TDP (PL1) 125 W 20-28 W (configurable)
Max. Boost TDP (PL2) 250 W 115 W
Socket FCLGA-1851 FCBGA-2049
Peak Temperature 105Β°C 110Β°C
Desktop CPU ranking (#14th place)

iGPU

Integrated Graphics Intel Arc iGPU (4-Cores) Arc Graphics 140T
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2000 MHz 2250 MHz
Shading Units 512 1024
TMUs 32 64
ROPs 16 32
Execution Units 64 8
TGP 14 W 35 W
iGPU FLOPS
Core Ultra 7 265K
2 TFLOPS
Core Ultra 7 255H +130%
4.6 TFLOPS
More info: Arc 140T compared to iGPU (4-Cores)

Memory Support

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

Misc

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

Cast your vote

Choose between two processors
4 (66.7%)
2 (33.3%)
Total votes: 6

Competitors

1. Intel Core Ultra 7 255H vs Intel Core Ultra 7 155H
2. Intel Core Ultra 7 255H vs AMD Ryzen AI 7 350
3. Intel Core Ultra 7 255H vs Intel Core Ultra 5 225H (6)
4. Intel Core Ultra 7 255H vs Intel Core Ultra 7 258V
5. Intel Core Ultra 7 255H vs AMD Ryzen AI 9 365
6. Intel Core Ultra 7 265K vs Intel Core Ultra 7 265KF
7. Intel Core Ultra 7 265K vs AMD Ryzen 7 9700X (3)
8. Intel Core Ultra 7 265K vs AMD Ryzen 9 9900X (3)
9. Intel Core Ultra 7 265K vs Intel Core i7 14700K
10. Intel Core Ultra 7 265K vs AMD Ryzen 7 7800X3D (1)
Compare other CPUs (460+)

Comments

So which CPU will you choose: Intel Core Ultra 7 255H or Ultra 7 265K?
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Avatar
davilajose57@yahoo.com July 18, 2026 at 11:51 PM
Why is the Intel Core Ultra 265v, which is older and much better than the 255H, is much cheaper?
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