Home > CPU Comparison > Core Ultra 7 255H or Core Ultra 5 336H: what's better?

Intel Core Ultra 7 255H vs Ultra 5 336H

68 out of 100
Intel Core Ultra 7 255H
VS
64 out of 100
Intel Core Ultra 5 336H
Intel Core Ultra 7 255H
Intel Core Ultra 5 336H

We compared two laptop CPUs: the 2.0 GHz Intel Core Ultra 7 255H with 16-cores against the 1.9 GHz Ultra 5 336H with 12-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

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 336H and 255H
Advantages of Intel Core Ultra 7 255H
  • More powerful Arc Graphics 140T integrated graphics: 4.6 vs 2.4 TFLOPS
  • Has 4 more physical cores
  • Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • More than 10Β° C higher critical temperature
  • 11% higher Turbo Boost frequency (5.1 GHz vs 4.6 GHz)
Advantages of Intel Core Ultra 5 336H
  • Newer - released 1 year later
  • More modern manufacturing process – 2 versus 3 nanometers

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 7 255H
vs
Core Ultra 5 336H

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (143rd and 164th 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 1270 MB/sec 1230 MB/sec
Clang compilation 103.2 Klines/sec 99.5 Klines/sec
HTML 5 Browser 399 pages/sec 331.7 pages/sec
PDF Renderer 443.6 Mpixels/sec 350.5 Mpixels/sec
Text processing 283.7 pages/sec 307.3 pages/sec
Background blur 62.4 images/sec 58.1 images/sec
Photo processing 144.8 images/sec 149.5 images/sec
Ray tracing 24 Mpixels/sec 20.5 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 78.1 GOps/sec 62.2 GOps/sec
Floating point math 98.9 GOps/sec 82.5 GOps/sec
Find prime numbers 303M Primes/sec 298M Primes/sec
Random string sorting 36.1M Strings/sec 33.7M Strings/sec
Data encryption 23.4 GBytes/sec 20.9 GBytes/sec
Data compression 299.1 MBytes/sec 275.2 MBytes/sec
Physics 2251 Frames/sec 2607 Frames/sec
Extended instructions 23.8B Matrices/sec 23.9B Matrices/sec
Sources: PassMark [3], [4] – 2020 & 54 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 37.5 PPW 38.4 PPW
Geekbench 6 Multi / Watt 540.1 PPW 535.1 PPW
Passmark CPU Mark / Watt 1097.3 PPW 1124.7 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
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)
Intel Core Ultra 5 336H
No benchmark results yet
Add

Specifications

Full technical specification of Intel Core Ultra 7 255H and Ultra 5 336H

General

Vendor Intel Intel
Released January 6, 2025 January 5, 2026
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Arrow Lake Panther Lake
Model number 255H 336H
Integrated GPU Arc Graphics 140T Xe3 Graphics
Rival Equivalent - AMD Ryzen AI 7 350 -
Intel CPU rating (50th and 65th place)

CPU

Performance Cores
P-Cores 6 4
P-Threads 6 4
Base Frequency (P) 2.0 GHz 1.9 GHz
Turbo Boost Frequency (P) 5.1 GHz 4.6 GHz
Efficient Cores
E-Cores 10 8
E-Threads 10 8
Base Frequency (E) 1.5 GHz 1.5 GHz
Turbo Boost Frequency (E) 4.4 GHz 3.4 GHz
Total
Total Cores 16 12
Total Threads 16 12
Bus Frequency 100 MHz 100 MHz
Multiplier 20x 19x
L1 Cache 192K (per core) 192K (per core)
L2 Cache 2MB (per core) 2560K (per core)
L3 Cache 24MB (shared) 18MB (shared)
Unlocked Multiplier No No

Package

Fabrication Process 3 nm 2 nm
TDP (PL1) 20-28 W (configurable) 15-25 W (configurable)
Max. Boost TDP (PL2) 115 W 80 W
Socket FCBGA-2049 FCBGA2540
Peak Temperature 110Β°C 100Β°C
Laptop processors ranking (61st and 75th place)

iGPU

Integrated Graphics Arc Graphics 140T Intel Xe3 Graphics
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 2250 MHz 2300 MHz
Shading Units 1024 512
TMUs 64 32
ROPs 32 16
Execution Units 8 4
TGP 35 W 25 W
iGPU FLOPS
Core Ultra 7 255H +92%
4.6 TFLOPS
Core Ultra 5 336H
2.4 TFLOPS
More info: Xe3 Graphics (4-Core) compared to Arc 140T

Memory Support

Memory Types - LPDDR5-8400
- LPDDR5x-8400
- DDR5-6400		 - LPDDR5X-8533
- DDR5-7200
Max. Memory Size 128 GB 128 GB
Memory Channels 2 2
Max. Memory Bandwidth - 136.5 GB/s
ECC Support No No

Misc

Official Site Intel Core Ultra 7 255H official page Intel Core Ultra 5 336H official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 20

Cast your vote

Choose between two processors
0 (0%)
2 (100%)
Total votes: 2

Competitors

1. Intel Core Ultra 5 336H vs AMD Ryzen AI 7 350
2. Intel Core Ultra 5 336H vs Intel Core Ultra 5 225H
3. Intel Core Ultra 5 336H vs Intel Core Ultra 5 228V
4. Intel Core Ultra 5 336H vs Intel Core Ultra 7 356H
5. Intel Core Ultra 5 336H vs AMD Ryzen AI 5 440
6. Intel Core Ultra 7 255H vs AMD Ryzen AI 7 350
7. Intel Core Ultra 7 255H vs Intel Core Ultra 5 225H (6)
8. Intel Core Ultra 7 255H vs Intel Core Ultra 7 155H
9. Intel Core Ultra 7 255H vs Intel Core Ultra 7 268V (1)
10. Intel Core Ultra 7 255H vs Intel Core Ultra 7 258V
Compare other CPUs (460+)

Comments

So which CPU will you choose: Intel Core Ultra 5 336H or Ultra 7 255H?
🌐 Register your profile and become part of NanoReview community!
EnglishРусский