AMD Ryzen Embedded 7645 vs Apple M3 Ultra
We compared two desktop CPUs: AMD Ryzen Embedded 7645 with 6 cores 3.8GHz and Apple M3 Ultra with 32 cores 4.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD Ryzen Embedded 7645 's Advantages
Lower TDP (65W vs 140W)
Apple M3 Ultra 's Advantages
Released 1 years and 4 months late
Integrated graphics card
Higher specification of memory (6400 vs 5200)
Higher base frequency (4.5GHz vs 3.8GHz)
More modern manufacturing process (3nm vs 5nm)
Score
General Parameters
Nov 2023
Release Date
Mar 2025
AMD
Manufacturer
Apple
Desktop
Type
Desktop
-
Instruction Set
ARMv8
Raphael
Core Architecture
Apple M3
AMD Socket AM5
Socket
Apple M-Socket
Radeon Graphics
Integrated Graphics
Apple M3 Ultra GPU (80-core)
Ryzen Embedded (Zen 4 (Raphael))
Generation
-
Package
6.57 billions
Transistor Count
184 billions
5 nm
Manufacturing Process
3 nm
65 W
Power Consumption
140 W
95°C
Peak Operating Temperature
100 °C
TSMC
Foundry
-
71 mm²
Die Size
-
6 nm
I/O Process Size
-
122 mm²
I/O Die Size
-
CPU Performance
-
Performance Cores
24
-
Performance Core Threads
24
3.8 GHz
Performance Core Base Frequency
4.5 GHz
5.1 GHz
Performance Core Turbo Frequency
-
-
Efficiency Cores
8
-
Efficiency Core Threads
8
6
Total Core Count
32
12
Total Thread Count
32
100 MHz
Bus Frequency
-
38.0
Multiplier
45
64 KB per core
L1 Cache
-
1 MB per core
L2 Cache
-
32 MB shared
L3 Cache
-
No
Unlocked Multiplier
No
1
SMP
-
Memory Parameters
DDR5-5200
Memory Types
LPDDR5-6400
-
Max Memory Size
512 GB
2
Max Memory Channels
8
-
Max Memory Bandwidth
819.2 GB/s
Yes
ECC Memory Support
No
Graphics Card Parameters
-
Integrated Graphics
true
-
Shader Units
10240
-
Texture Units
640
-
Raster Operation Units
320
-
Execution Units
1280
-
Power Consumption
140
Miscellaneous
5
PCIe Version
-
24
PCIe Lanes
-
