AMD Ryzen Embedded 7645 vs AMD Ryzen Threadripper 9980X
We compared two desktop CPUs: AMD Ryzen Embedded 7645 with 6 cores 3.8GHz and AMD Ryzen Threadripper 9980X with 64 cores 3.2GHz . 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
Higher base frequency (3.8GHz vs 3.2GHz)
Lower TDP (65W vs 350W)
AMD Ryzen Threadripper 9980X 's Advantages
Released 1 years and 8 months late
Higher specification of memory (6400 vs 5200)
Larger L3 cache size (256MB vs 32MB)
More modern manufacturing process (4nm vs 5nm)
Score
General Parameters
Nov 2023
Release Date
Jul 2025
AMD
Manufacturer
AMD
Desktop
Type
Desktop
Raphael
Core Architecture
Shimada Peak
AMD Socket AM5
Socket
AMD Socket sTR5
Radeon Graphics
Integrated Graphics
N/A
Ryzen Embedded (Zen 4 (Raphael))
Generation
Ryzen Threadripper (Zen 5 (Shimada Peak))
Package
6.57 billions
Transistor Count
66.52 billions
5 nm
Manufacturing Process
4 nm
65 W
Power Consumption
350 W
95°C
Peak Operating Temperature
95°C
TSMC
Foundry
TSMC
71 mm²
Die Size
8x70.6 mm²
6 nm
I/O Process Size
6 nm
122 mm²
I/O Die Size
388 mm²
CPU Performance
3.8 GHz
Performance Core Base Frequency
3.2 GHz
5.1 GHz
Performance Core Turbo Frequency
5.4 GHz
6
Total Core Count
64
12
Total Thread Count
128
100 MHz
Bus Frequency
100 MHz
38.0
Multiplier
32.0
64 KB per core
L1 Cache
64 KB per core
1 MB per core
L2 Cache
1 MB per core
32 MB shared
L3 Cache
256 MB shared
No
Unlocked Multiplier
Yes
1
SMP
1
Memory Parameters
DDR5-5200
Memory Types
DDR5-6400
-
Max Memory Size
1 TB
2
Max Memory Channels
4
Yes
ECC Memory Support
Yes
