Home > CPU Comparison > Core Ultra 7 255H or M5 (8-сore GPU): what's better?

Intel Core Ultra 7 255H vs Apple M5 (8-сore GPU)

68 out of 100
Intel Core Ultra 7 255H
VS
81 out of 100
Apple M5 (8-сore GPU)
Intel Core Ultra 7 255H
Apple M5 (8-сore GPU)

We compared two laptop CPUs: the 2.0 GHz Intel Core Ultra 7 255H with 16-cores against the 4.61 GHz Apple M5 (8-сore GPU) with 10-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.
🔌 Usage Scenario:

Key Differences

What are the key differences between GPU) and 255H
Advantages of Intel Core Ultra 7 255H
  • Supports up to 128 GB LPDDR5-8400 RAM
  • Has 6 more physical cores
  • More powerful Arc Graphics 140T integrated graphics: 4.6 vs 3.3 TFLOPS
  • More than 10° C higher critical temperature
Advantages of Apple M5 (8-сore GPU)
  • Newer - released 1 year and 2 months later
  • 54% faster in a single-core Geekbench v6 test - 4186 vs 2725 points

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core Ultra 7 255H
vs
M5 (8-сore GPU)

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (143rd and 119th 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 -
Clang compilation 103.2 Klines/sec -
HTML 5 Browser 399 pages/sec -
PDF Renderer 443.6 Mpixels/sec -
Text processing 283.7 pages/sec -
Background blur 62.4 images/sec -
Photo processing 144.8 images/sec -
Ray tracing 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 78.1 GOps/sec -
Floating point math 98.9 GOps/sec -
Find prime numbers 303M Primes/sec -
Random string sorting 36.1M Strings/sec -
Data encryption 23.4 GBytes/sec -
Data compression 299.1 MBytes/sec -
Physics 2251 Frames/sec -
Extended instructions 23.8B Matrices/sec -
Sources: PassMark [3] – 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 37.5 PPW 42.6 PPW
Geekbench 6 Multi / Watt 540.1 PPW 634.1 PPW
Passmark CPU Mark / Watt 1097.3 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
📘 2026-09-06 -> xnullcodeGeekbench 6 CPU3009 / 11440
📘 2026-08-15 -> xnullcodeGeekbench 6 CPU2849 / 11877
📘 2026-08-15 -> xnullcodeGeekbench 6 CPU2848 / 11898
📘 2026-08-15 -> xnullcodeCinebench 20260 / 3496
📘 2026-08-15 (xnullcode)Geekbench 6 CPU2708 / 11477
Add View all (16)
Apple M5 (8-сore GPU)
DateBenchmarkResult
📘 2026-07-03 (Mahesh Kondraju)Geekbench 6 CPU4224 / 17165
📘 2026-05-02 -> fedwimGeekbench 6 CPU4120 / 15800
Add View all (2)

Specifications

Full technical specification of Intel Core Ultra 7 255H and Apple M5 (8-сore GPU)

General

Vendor Intel Apple
Released January 6, 2025 March 3, 2026
Type Laptop Laptop
Instruction Set x86-64 ARMv9
Codename Arrow Lake Apple M5
Model number 255H T8142
Integrated GPU Arc Graphics 140T Apple M5 GPU (8-core)
Rival Equivalent - AMD Ryzen AI 7 350 -
Intel CPU rating (#50th place)

CPU

Performance Cores
P-Cores 6 4
P-Threads 6 4
Base Frequency (P) 2.0 GHz 4.61 GHz
Turbo Boost Frequency (P) 5.1 GHz -
Efficient Cores
E-Cores 10 6
E-Threads 10 6
Base Frequency (E) 1.5 GHz 3.0 GHz
Turbo Boost Frequency (E) 4.4 GHz -
Total
Total Cores 16 10
Total Threads 16 10
Bus Frequency 100 MHz 100 MHz
Multiplier 20x 46x
L1 Cache 192K (per core) 192K (per core)
L2 Cache 2MB (per core) 22MB (shared)
L3 Cache 24MB (shared) -
Unlocked Multiplier No No

Package

Transistors - 28 billions
Fabrication Process 3 nm 3 nm
TDP (PL1) 20-28 W (configurable) 27 W
Max. Boost TDP (PL2) 115 W -
Socket FCBGA-2049 Apple M-Socket
Peak Temperature 110°C 100°C
Die Size - 157.48 mm²
Laptop processors ranking (61st and 20th place)

iGPU

Integrated Graphics Arc Graphics 140T Apple M5 GPU (8-core)
GPU Base Clock 300 MHz -
GPU Boost Clock 2250 MHz 1620 MHz
Shading Units 1024 1024
TMUs 64 64
ROPs 32 32
Execution Units 8 128
TGP 35 W -
iGPU FLOPS
Core Ultra 7 255H +39%
4.6 TFLOPS
M5 (8-сore GPU)
3.3 TFLOPS
More info: Apple M5 GPU (8-Core) compared to Arc 140T

Memory Support

Memory Types - LPDDR5-8400
- LPDDR5x-8400
- DDR5-6400		 - LPDDR5X-9600
Max. Memory Size 128 GB 32 GB
Memory Channels 2 8
Max. Memory Bandwidth - 153.6 GB/s
ECC Support No No

Misc

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

Cast your vote

Choose between two processors
6 (35.3%)
11 (64.7%)
Total votes: 17

Competitors

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5. Intel Core Ultra 7 255H vs AMD Ryzen AI 7 350
6. Apple M5 (8-сore GPU) vs Apple M4 (8-Core)
7. Apple M5 (8-сore GPU) vs Apple M4 (10-Core)
8. Apple M5 (8-сore GPU) vs Intel Core Ultra 9 285H
9. Apple M5 (8-сore GPU) vs Apple M6 (12-Core)
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Compare other CPUs (460+)

Comments

So which CPU will you choose: Apple M5 (8-сore GPU) or Intel Core Ultra 7 255H?
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