AMD Ryzen 9 3900XT vs AMD Ryzen 9 7900X
CPU · Specs Compare
General Parameters
Release Date
Jul 2020
Sep 2022
Manufacturer
AMD
AMD
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 2 (Matisse)
Raphael
Integrated Graphics
No
AMD Radeon™ Graphics
Package
Transistor Count
3.8 billions
—
Manufacturing Process
7 nm
5 nm
Socket
AM4
AM5
Power Consumption
105 W
170 W
Peak Operating Temperature
95°C
95 °C
CPU Performance
Performance Cores
12
12
Performance Core Threads
24
24
Performance Core Base Frequency
3.8 GHz
4.7 GHz
Performance Core Turbo Frequency
4.7 GHz
5.6 GHz
Total Core Count
12
12
Total Thread Count
24
24
Bus Frequency
100 MHz
100 MHz
Multiplier
38x
47x
L1 Cache
64 K per core
—
L2 Cache
512 K per core
12 MB shared
L3 Cache
64 MB shared
64 MB shared
Unlocked Multiplier
Yes
Yes
Memory Parameters
Memory Types
DDR4-3200
DDR5-5200
Max Memory Size
128 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
47.68 GB/s
83.2 GB/s
ECC Memory Support
Yes
—
Miscellaneous
PCIe Version
4.0
5.0
PCIe Lanes
24
24
Graphics Card Parameters
Integrated Graphics
—
true
Benchmark
Cinebench R23
1,350
2,033
Cinebench R23
18,437
29,242
Geekbench 6
1,763
2,942
Geekbench 5
1,311
2,277
Geekbench 6
11,025
19,092
Geekbench 5
12,279
20,503
Blender
261
—
Passmark CPU
2,769
4,317
Passmark CPU
32,856
52,013
▲ Specs Compare
Data sourced from official specifications and benchmark tests.