AMD Ryzen 9 9950X3D2 vs Apple M4 Ultra

[ VERDICT ] Winner: AMD Ryzen 9 9950X3D2 (97/100)

Both devices are evenly matched with an overall score of 97/100.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark AMD Ryzen 9 9950X3D2 Apple M4 Ultra
Efficiency 76.0 Good —
Performance 95.0 Excellent —

Detailed Technical Specifications

CPU

CPU specifications comparison
Specification AMD Ryzen 9 9950X3D2 Apple M4 Ultra
Base Frequency (P) 4.3 GHz 4.52 GHz
Bus Frequency 100 MHz —
L1 Cache 80K (per core) —
L2 Cache 1MB (per core) —
L3 Cache 192MB (shared) —
Multiplier 43x 45x
P-Cores 16 24
P-Threads 32 24
Total Cores 16 32
Total Threads 32 32
Turbo Boost Frequency (P) 5.6 GHz —
Unlocked Multiplier Yes No
Base Frequency (E) — 2.89 GHz
E-Cores — 8
E-Threads — 8

Cinebench

Cinebench specifications comparison
Specification AMD Ryzen 9 9950X3D2 Apple M4 Ultra
Cinebench 2026 (Multi) 10459 —
Cinebench 2026 (Single) 558 —

GeekBench v6

GeekBench v6 specifications comparison
Specification AMD Ryzen 9 9950X3D2 Apple M4 Ultra
Background blur 90.2 images/sec —
Clang compilation 240.9 Klines/sec —
File compression 2030 MB/sec —
HTML 5 Browser 460.9 pages/sec —
PDF Renderer 570.9 Mpixels/sec —
Photo processing 160.1 images/sec —
Ray tracing 56.9 Mpixels/sec —
Text processing 361 pages/sec —

General

General specifications comparison
Specification AMD Ryzen 9 9950X3D2 Apple M4 Ultra
Codename Zen 5 (Granite Ridge) Apple M4
Instruction Set x86-64 ARMv9
Integrated GPU Radeon Graphics Apple M4 Ultra GPU (80-core)
Model number 9950X3D2 —
Released March 26, 2026 May 1, 2025
Type Desktop Desktop
Vendor Amd Apple

Memory Support

Memory Support specifications comparison
Specification AMD Ryzen 9 9950X3D2 Apple M4 Ultra
ECC Support Yes No
Max. Memory Bandwidth 89.6 GB/s 1052 GB/s
Max. Memory Size 256 GB 192 GB
Memory Channels 2 64
Memory Types - DDR5-5600 - LPDDR5X-8533

Misc

Misc specifications comparison
Specification AMD Ryzen 9 9950X3D2 Apple M4 Ultra
Official Site AMD Ryzen 9 9950X3D2 official page —
PCI Express Lanes 28 —
PCI Express Version 5.0 —

Package

Package specifications comparison
Specification AMD Ryzen 9 9950X3D2 Apple M4 Ultra
Fabrication Process 4 nm 3 nm
Max. Boost TDP (PL2) 270 W —
Peak Temperature 95°C 100°C
Socket AM5 Apple M-Socket
TDP (PL1) 200 W —

Performance Per Watt

Performance Per Watt specifications comparison
Specification AMD Ryzen 9 9950X3D2 Apple M4 Ultra
Blender / Watt 3.74 PPW —
Cinebench 2024 / Watt 12.6 PPW —
Geekbench 6 Multi / Watt 135.6 PPW —
Passmark CPU Mark / Watt 363.9 PPW —

iGPU

iGPU specifications comparison
Specification AMD Ryzen 9 9950X3D2 Apple M4 Ultra
Execution Units 2 1280
GPU Base Clock 400 MHz 500 MHz
GPU Boost Clock 2200 MHz 1578 MHz
Integrated Graphics Radeon Graphics Apple M4 Ultra GPU (80-core)
ROPs 4 320
Shading Units 128 10240
TGP 15 W 120 W
TMUs 8 640

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