Apple M5 Pro (18-Core) vs Intel Core Ultra 7 251HX

[ VERDICT ] Winner: Apple M5 Pro (18-Core) (97/100)

Apple M5 Pro (18-Core) leads overall with a score of 97/100 compared to Intel Core Ultra 7 251HX (75/100), offering superior measured performance and technical specifications.

Why choose Apple M5 Pro (18-Core):
  • + Higher Efficiency score (98 vs 79)
  • + Higher Performance score (100 vs 83)

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Apple M5 Pro (18-Core) Intel Core Ultra 7 251HX
Efficiency 98.0 Excellent WINNER 79.0 Good
Performance 100.0 Excellent WINNER 83.0 Very Good

Detailed Technical Specifications

CPU

CPU specifications comparison
Specification Apple M5 Pro (18-Core) Intel Core Ultra 7 251HX
Base Frequency (E) 4.38 GHz 2.5 GHz
Base Frequency (P) 4.61 GHz 2.9 GHz
E-Cores 12 12
E-Threads 12 12
L1 Cache 192K (per core) 192K (per core)
Multiplier 46x 29x
P-Cores 6 6
P-Threads 6 6
Total Cores 18 18
Total Threads 18 18
Unlocked Multiplier No Yes
Bus Frequency — 100 MHz
L2 Cache — 2MB (per core)
L3 Cache — 30MB (shared)
Turbo Boost Frequency (E) — 4.5 GHz
Turbo Boost Frequency (P) — 5.1 GHz

GeekBench v6

GeekBench v6 specifications comparison
Specification Apple M5 Pro (18-Core) Intel Core Ultra 7 251HX
Background blur 100.3 images/sec —
Clang compilation 262.5 Klines/sec —
File compression 2530 MB/sec —
HTML 5 Browser 738.1 pages/sec —
PDF Renderer 744.9 Mpixels/sec —
Photo processing 250.8 images/sec —
Ray tracing 46.5 Mpixels/sec —
Text processing 450.7 pages/sec —

General

General specifications comparison
Specification Apple M5 Pro (18-Core) Intel Core Ultra 7 251HX
Codename Apple M5 Arrow Lake
Instruction Set ARMv9 x86-64
Integrated GPU Apple M5 Pro GPU (20-core) Arc Graphics (4-Cores)
Released March 3, 2026 April 1, 2026
Type Laptop Laptop
Vendor Apple Intel
Model number — 251HX

Memory Support

Memory Support specifications comparison
Specification Apple M5 Pro (18-Core) Intel Core Ultra 7 251HX
ECC Support No No
Max. Memory Bandwidth 307 GB/s 102.4 GB/s
Max. Memory Size 64 GB 256 GB
Memory Channels 16 2
Memory Types - LPDDR5X-9600 - DDR5-6400

Package

Package specifications comparison
Specification Apple M5 Pro (18-Core) Intel Core Ultra 7 251HX
Fabrication Process 3 nm 3 nm
Peak Temperature 100°C 105°C
Socket Apple M-Socket FCBGA-2114
Transistors 28 billions —
Max. Boost TDP (PL2) — 160 W
TDP (PL1) — 45-55 W (configurable)

PassMark

PassMark specifications comparison
Specification Apple M5 Pro (18-Core) Intel Core Ultra 7 251HX
Data compression 697.9 MBytes/sec 512.7 MBytes/sec
Data encryption 40.8 GBytes/sec 39.2 GBytes/sec
Extended instructions 33.3B Matrices/sec 39.9B Matrices/sec
Find prime numbers 486M Primes/sec 440M Primes/sec
Floating point math 186.8 GOps/sec 152.1 GOps/sec
Integer math 132.7 GOps/sec 122 GOps/sec
Physics 5687 Frames/sec 2500 Frames/sec
Random string sorting 85.6M Strings/sec 61.6M Strings/sec

iGPU

iGPU specifications comparison
Specification Apple M5 Pro (18-Core) Intel Core Ultra 7 251HX
Execution Units 320 64
GPU Boost Clock 1620 MHz 1800 MHz
Integrated Graphics Apple M5 Pro GPU (20-core) Arc Graphics (4-Cores)
ROPs 80 16
Shading Units 2560 512
TGP 28 W 14 W
TMUs 160 32
GPU Base Clock — 300 MHz

Misc

Misc specifications comparison
Specification Apple M5 Pro (18-Core) Intel Core Ultra 7 251HX
Official Site — Intel Core Ultra 7 251HX official page
PCI Express Lanes — 24
PCI Express Version — 5.0

Performance Per Watt

Performance Per Watt specifications comparison
Specification Apple M5 Pro (18-Core) Intel Core Ultra 7 251HX
Cinebench 2024 / Watt — 32 PPW
Geekbench 6 Multi / Watt — 277.8 PPW
Passmark CPU Mark / Watt — 849.6 PPW

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