Intel Core Ultra 7 255HX vs Apple M3 Pro

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

Review

Key Specs Intel Core Ultra 7 255HX and Apple M3 Pro
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

Benchmarks

CPU performance comparison across tasks
Cinebench R23
Cinebench R23 (Single-Core)
Intel Core Ultra 7 255HX
2031
Apple M3 Pro
1977
Cinebench R23 (Multi-Core)
Intel Core Ultra 7 255HX
25602
Apple M3 Pro
15106
Cinebench 2024
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255HX
132
Apple M3 Pro
143
Cinebench 2024 (Single-Core)
Intel Core Ultra 7 255HX
1591
Apple M3 Pro
1059
PassMark
PassMark CPU (Single-Core)
Intel Core Ultra 7 255HX
n/a
Apple M3 Pro
4318
PassMark CPU (Multi-Core)
Intel Core Ultra 7 255HX
n/a
Apple M3 Pro
24405
Integer Mathn/a56.4 GOps/s
Floating-Point Mathn/a65.4 GOps/s
Prime Number Searchn/a243 M primes/s
Random String Sortn/a35.8 M strings/s
Data Encryptionn/a14.7 GB/s
Data Compressionn/a295.1 MB/s
Physicsn/a2076 frames/s
Extended Instructionsn/a142 M matrices/s
GeekBench v6
Geekbench 6 (Single-Core)
Intel Core Ultra 7 255HX
2901
Apple M3 Pro
3158
Geekbench 6 (Multi-Core)
Intel Core Ultra 7 255HX
17597
Apple M3 Pro
15070
File Compression1270 MB/s1550 MB/s
Clang Compilation187.3 KLines/s124.1 KLines/s
HTML5 Browser337.9 pages/s363.6 pages/s
PDF Rendering488.3 MP/sec390.6 MP/sec
Text Processing336.6 pages/s304.6 pages/s
Background Blur72.7 frames/s59.9 frames/s
Photo Processing121.8 frames/s142 frames/s
Ray Tracing39.7 MP/sec18.4 MP/sec

Blender

Real-world 3D modeling test
Blender CPU
Intel Core Ultra 7 255HX
n/a
Apple M3 Pro
228.7

Performance/Watt

Points per watt of PL1 TDP
Geekbench 6 Multi / W 319.9 PPW 502.3 PPW
PassMark CPU / W n/a 813.5 PPW
Cinebench 2024 / W 28.9 PPW 35.3 PPW
Blender / W n/a 7.62 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 255HX n/a
Integrated GPU Arc Graphics (4-Cores) Apple M3 Pro GPU (18-core)

Processor

Performance cores
Cores 8 6
Threads 8 6
Frequency 2.4 GHz 4.05 GHz
Max Frequency (Turbo) 5.2 GHz n/a
Efficiency cores
Cores126
Threads126
Frequency1.8 GHz2.75 GHz
Max Frequency (Turbo)4.5 GHzn/a
General
Cores count2012
Threads count2012
Bus frequency100 MHzn/a
Multiplier24x40x
L1 cache112 KB/core192 KB/core
L2 cache2000 KB/core16 KB/core
L3 Cache30 MB totaln/a
Unlocked multiplierYesNo

Package

Transistor count n/a 37 billion
Process tech. 3 nm 3 nm
Power (TDP) 45-55 W 30 W
Max TDP (Boost) 160 W n/a
Socket FCBGA-2114 Apple M-Socket
Critical temp. 105 °C 100 °C

Memory Support

Memory Type DDR5-6400 LPDDR5-6400
Max Size 192 GB 36 GB
Channels 2 3
ECC support Yes No
Max memory bandwidth n/a 153.6 GB

Other

PCIe Version 5.0 4.0
Max PCIe Lanes 24 n/a

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

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