Apple M4 Ultra vs AMD Ryzen 9 3950X
CPU · Specs Compare
General Parameters
Release Date
May 2025
Nov 2019
Manufacturer
Apple
AMD
Type
Desktop
Desktop
Instruction Set
ARMv9
x86-64
Core Architecture
Apple M4
Zen 2
Integrated Graphics
Apple M4 Ultra GPU (80-core)
N/A
Package
Manufacturing Process
3 nm
7 nm
Socket
Apple M-Socket
AM4
Peak Operating Temperature
100 °C
—
Transistor Count
—
3.8 billions
Power Consumption
—
105 W
CPU Performance
Performance Cores
24
16
Performance Core Threads
24
32
Performance Core Base Frequency
4.52 GHz
3.5 GHz
Efficiency Cores
8
—
Efficiency Core Threads
8
—
Efficiency Core Base Frequency
2.89 GHz
—
Total Core Count
32
16
Total Thread Count
32
32
Multiplier
45
35x
Unlocked Multiplier
No
Yes
Performance Core Turbo Frequency
—
4.7 GHz
Bus Frequency
—
100 MHz
L1 Cache
—
64 K per core
L2 Cache
—
512 K per core
L3 Cache
—
64 MB shared
Memory Parameters
Memory Types
LPDDR5X-8533
DDR4-3200
Max Memory Size
192 GB
128 GB
Max Memory Channels
8
2
ECC Memory Support
No
Yes
Max Memory Bandwidth
—
47.68 GB/s
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
500 MHz
—
GPU Max Dynamic Frequency
1800 MHz
—
Shader Units
10240
—
Texture Units
640
—
Raster Operation Units
320
—
Execution Units
1280
—
Power Consumption
120
—
Miscellaneous
PCIe Version
—
4.0
PCIe Lanes
—
16
Benchmark
Geekbench 6
4,061
1,709
Geekbench 6
32,898
11,656
Cinebench R23
—
1,349
Cinebench R23
—
24,396
Cinebench 2024
—
72
Cinebench 2024
—
1,325
Passmark CPU
—
2,692
Passmark CPU
—
38,953
▲ Specs Compare
Data sourced from official specifications and benchmark tests.