AMD Ryzen 9 3900X vs Apple M5 Pro (18-Core)

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

Apple M5 Pro (18-Core) leads overall with a score of 97/100 compared to AMD Ryzen 9 3900X (48/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
Efficiency 52.0 Below Average 98.0 Excellent WINNER
Performance 48.0 Poor 100.0 Excellent WINNER

Detailed Technical Specifications

CPU

CPU specifications comparison
Specification AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
Base Frequency (P) 3.8 GHz 4.61 GHz
Bus Frequency 100 MHz
L1 Cache 64K (per core) 192K (per core)
L2 Cache 512K (per core)
L3 Cache 64MB (shared)
Multiplier 38x 46x
P-Cores 12 6
P-Threads 24 6
Total Cores 12 18
Total Threads 24 18
Turbo Boost Frequency (P) 4.6 GHz
Unlocked Multiplier Yes No
Base Frequency (E) 4.38 GHz
E-Cores 12
E-Threads 12

GeekBench v6

GeekBench v6 specifications comparison
Specification AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
Background blur 41.1 images/sec 100.3 images/sec
Clang compilation 104.4 Klines/sec 262.5 Klines/sec
File compression 872.1 MB/sec 2530 MB/sec
HTML 5 Browser 209.4 pages/sec 738.1 pages/sec
PDF Renderer 299.9 Mpixels/sec 744.9 Mpixels/sec
Photo processing 75.2 images/sec 250.8 images/sec
Ray tracing 24.4 Mpixels/sec 46.5 Mpixels/sec
Text processing 144.4 pages/sec 450.7 pages/sec

General

General specifications comparison
Specification AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
Instruction Set x86-64 ARMv9
Integrated GPU No Apple M5 Pro GPU (20-core)
Intel Equivalent -Intel Core i9 9900K
Released July 7, 2019 March 3, 2026
Successor -AMD Ryzen 9 9900X
Type Desktop Laptop
Vendor Amd Apple
Codename Apple M5

Memory Support

Memory Support specifications comparison
Specification AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
ECC Support Yes No
Max. Memory Bandwidth 47.68 GB/s 307 GB/s
Max. Memory Size 128 GB 64 GB
Memory Channels 2 16
Memory Types - DDR4-3200 - LPDDR5X-9600

Misc

Misc specifications comparison
Specification AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
Official Site AMD Ryzen 9 3900X official page
PCI Express Lanes 16
PCI Express Version 4.0
Technologies - Compute: BMI1, BMI2, F16C, SHA- Performance: Precision Boost 2, SMT, XFR 2- Virtualization: AMD-V- Security: EVP, SMAP, SMEP

Package

Package specifications comparison
Specification AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
Fabrication Process 7 nm 3 nm
Peak Temperature 95°C 100°C
Socket AM4 Apple M-Socket
TDP (PL1) 105 W
Transistors 3.8 billions 28 billions

PassMark

PassMark specifications comparison
Specification AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
Data compression 448.8 MBytes/sec 697.9 MBytes/sec
Data encryption 28.6 GBytes/sec 40.8 GBytes/sec
Extended instructions 29.2B Matrices/sec 33.3B Matrices/sec
Find prime numbers 213M Primes/sec 486M Primes/sec
Floating point math 58.4 GOps/sec 186.8 GOps/sec
Integer math 99.4 GOps/sec 132.7 GOps/sec
Physics 1782 Frames/sec 5687 Frames/sec
Random string sorting 48.2M Strings/sec 85.6M Strings/sec

Performance Per Watt

Performance Per Watt specifications comparison
Specification AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
Blender / Watt 2.66 PPW
Cinebench 2024 / Watt 9.4 PPW
Geekbench 6 Multi / Watt 99.7 PPW
Passmark CPU Mark / Watt 309.4 PPW

Recent User Tests

Recent User Tests specifications comparison
Specification AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
Date Benchmark
📘 2024-08-03(Jesse) Cinebench 2024
📘 2024-12-11(meontechno) Cinebench 2024
📘 2025-06-17(Vlad) Cinebench 2024
📘 2025-11-16(LegendryDrifter) GeekBench
📘 2026-01-30(Amara) Cinebench 2024
📘 2026-02-11(Ethan) Cinebench 2024
📘 2026-03-08(Heliosgt) Cinebench 2024

iGPU

iGPU specifications comparison
Specification AMD Ryzen 9 3900X Apple M5 Pro (18-Core)
Execution Units 320
GPU Boost Clock 1620 MHz
Integrated Graphics Apple M5 Pro GPU (20-core)
ROPs 80
Shading Units 2560
TGP 28 W
TMUs 160

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