Intel Core Ultra 7 255U vs Apple M3

Compared 2 processors: Intel Core Ultra 7 255U, vs Apple M3. Below are specs, tests, pros and cons for each device

Review

Key Specs Intel Core Ultra 7 255U and Apple M3
Single-Thread Perf.
Single-Core Benchmark Score
Multi-Thread Perf.
Multi-Core Benchmark Score
Energy Efficiency
Chip Power Efficiency
Integrated Graphics
iGPU Performance in Games & 3D
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison
Processors:
vs

Benchmarks

CPU performance comparison across tasks
Cinebench R23
Cinebench R23 (Single-Core)
Intel Core Ultra 7 255U
1803
Apple M3
1904
Cinebench R23 (Multi-Core)
Intel Core Ultra 7 255U
11890
Apple M3
10454
Cinebench 2024
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255U
101
Apple M3
140
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255U
588
Apple M3
712
PassMark
PassMark CPU (Single-Core)
Intel Core Ultra 7 255U
4229
Apple M3
4742
PassMark CPU (Multi-Core)
Intel Core Ultra 7 255U
19791
Apple M3
19187
Integer Math75.3 GOps/s42.2 GOps/s
Floating-Point Math54.1 GOps/s48.6 GOps/s
Prime Number Search69 M primes/s235 M primes/s
Random String Sort22.1 M strings/s27.6 M strings/s
Data Encryption12.5 GB/s11.5 GB/s
Data Compression207 MB/s228.1 MB/s
Physics1214 frames/s1866 frames/s
Extended Instructions126 M matrices/s10 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
Intel Core Ultra 7 255U
2580
Apple M3
3009
Geekbench 6 (Multi-Core)
Intel Core Ultra 7 255U
10945
Apple M3
11815
File Compressionn/a1260 MB/s
Clang Compilationn/a94.7 KLines/s
HTML5 Browsern/a264.5 pages/s
PDF Renderingn/a313.9 MP/sec
Text Processingn/a297 pages/s
Background Blurn/a50.2 frames/s
Photo Processingn/a114.8 frames/s
Ray Tracingn/a12.9 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
Intel Core Ultra 7 255U
n/a
Apple M3
160.35

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 729.7 PPW 590.8 PPW
PassMark CPU / W 1319.4 PPW 959.4 PPW
Cinebench 2024 / W 39.2 PPW 35.6 PPW
Blender / W n/a 8.02 PPW

General Info

Manufacturer Intel Apple
Announced January, 6, 2025 October, 30, 2023
Type Laptop use Laptop use
Architecture x86-64 ARMv8
Codename Arrow Lake Apple M3
Model number 255U n/a
Integrated GPU Arc Graphics (4-Cores) Apple M3 GPU

Processor

Performance cores
Cores 2 4
Threads 4 4
Frequency 2.0 GHz 4.05 GHz
Max Frequency (Turbo) 5.2 GHz n/a
Efficiency cores
Cores104
Threads104
Frequency1.7 GHz2.75 GHz
Max Frequency (Turbo)4.2 GHzn/a
General
Cores count128
Threads count148
Bus frequency100 MHzn/a
Multiplier20x40x
L1 cache112 KB/core192 KB/core
L2 cache2000 KB/core16 KB/core
L3 Cache12 MB totaln/a
Unlocked multiplierNoNo

Package

Transistor count n/a 25 billion
Process tech. 3 nm 3 nm
Power (TDP) 12-15 W 20 W
Max TDP (Boost) 57 W n/a
Socket FCBGA-2049 Apple M-Socket
Critical temp. 110 °C 100 °C

Memory Support

Memory Type - LPDDR5-8400
- LPDDR5x-8400
- DDR5-6400
LPDDR5-6400
Max Size 128 GB 24 GB
Channels 2 2
ECC support No No
Max memory bandwidth n/a 102.4 GB

Other

PCIe Version 4.0 4.0
Max PCIe Lanes 20 n/a

Results

After analyzing the data, we consider Apple M3 the clear winner in this comparison.

Survey

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