Apple M4 Ultra vs AMD Ryzen 9 PRO 9955
CPU Specs Compare
General Parameters
Release Date
May 2025
Jun 2026
Manufacturer
Apple
AMD
Type
Desktop
Server
Instruction Set
ARMv9
-
Core Architecture
Apple M4
Granite Ridge
Integrated Graphics
Apple M4 Ultra GPU (80-core)
Radeon Graphics
Generation
-
Ryzen 9 (Zen 5 (Granite Ridge))
Package
Manufacturing Process
3 nm
4 nm
Socket
Apple M-Socket
AMD Socket AM5
Peak Operating Temperature
100 °C
95°C
Transistor Count
-
16.63 billions
Power Consumption
-
120 W
Foundry
-
TSMC
Die Size
-
2x70.6 mm²
I/O Process Size
-
6 nm
I/O Die Size
-
122 mm²
Package
-
FC-LGA1718
CPU Performance
Performance Cores
24
-
Performance Core Threads
24
-
Performance Core Base Frequency
4.52 GHz
3.4 GHz
Efficiency Cores
8
-
Efficiency Core Threads
8
-
Efficiency Core Base Frequency
2.89 GHz
-
Total Core Count
32
12
Total Thread Count
32
24
Multiplier
45
34.0
Unlocked Multiplier
No
No
Performance Core Turbo Frequency
-
5.4 GHz
Bus Frequency
-
100 MHz
L1 Cache
-
80 KB per core
L2 Cache
-
1 MB per core
L3 Cache
-
64 MB
SMP
-
1
Memory Parameters
Memory Types
LPDDR5X-8533
DDR5-5600
Max Memory Size
192 GB
-
Max Memory Channels
8
2
ECC Memory Support
No
Yes
Max Memory Bandwidth
-
89.6 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
-
5
PCIe Lanes
-
24
📊 Benchmark
Geekbench 6
4,061
-
Geekbench 6
32,898
-