AMD Ryzen 9 7900X vs AMD Ryzen Embedded 7645
We compared two desktop CPUs: AMD Ryzen 9 7900X with 12 cores 4.7GHz and AMD Ryzen Embedded 7645 with 6 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.
Main Differences
AMD Ryzen 9 7900X 's Advantages
Integrated graphics card
Higher base frequency (4.7GHz vs 3.8GHz)
Larger L3 cache size (64MB vs 32MB)
AMD Ryzen Embedded 7645 's Advantages
Released 1 years and 2 months late
Newer PCIe version (5 vs 5.0)
Lower TDP (65W vs 170W)
Score
General Parameters
Sep 2022
Release Date
Nov 2023
AMD
Manufacturer
AMD
Desktop
Type
Desktop
x86-64
Instruction Set
-
Raphael
Core Architecture
Raphael
AM5
Socket
AMD Socket AM5
AMD Radeon™ Graphics
Integrated Graphics
Radeon Graphics
-
Generation
Ryzen Embedded (Zen 4 (Raphael))
Package
-
Transistor Count
6.57 billions
5 nm
Manufacturing Process
5 nm
170 W
Power Consumption
65 W
95 °C
Peak Operating Temperature
95°C
-
Foundry
TSMC
-
Die Size
71 mm²
-
I/O Process Size
6 nm
-
I/O Die Size
122 mm²
CPU Performance
12
Performance Cores
-
24
Performance Core Threads
-
4.7 GHz
Performance Core Base Frequency
3.8 GHz
5.6 GHz
Performance Core Turbo Frequency
5.1 GHz
12
Total Core Count
6
24
Total Thread Count
12
100 MHz
Bus Frequency
100 MHz
47x
Multiplier
38.0
-
L1 Cache
64 KB per core
12 MB shared
L2 Cache
1 MB per core
64 MB shared
L3 Cache
32 MB shared
Yes
Unlocked Multiplier
No
-
SMP
1
Memory Parameters
DDR5-5200
Memory Types
DDR5-5200
128 GB
Max Memory Size
-
2
Max Memory Channels
2
83.2 GB/s
Max Memory Bandwidth
-
-
ECC Memory Support
Yes
Graphics Card Parameters
true
Integrated Graphics
-
