AMD Ryzen 5 8400F vs AMD Ryzen 9 3900XT
CPU · Specs Compare
General Parameters
Release Date
May 2024
Jul 2020
Manufacturer
Amd
AMD
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Phoenix)
Zen 2 (Matisse)
Integrated Graphics
No
No
Generation
Ryzen 5 (Zen 4 (Phoenix))
—
Package
Transistor Count
25 billions
3.8 billions
Manufacturing Process
4 nm
7 nm
Socket
AM5
AM4
Power Consumption
45-65 W
105 W
Peak Operating Temperature
95 °C
95°C
Foundry
TSMC
—
Die Size
178 mm²
—
Package
FC-LGA1718
—
CPU Performance
Performance Cores
6
12
Performance Core Threads
12
24
Performance Core Base Frequency
4.2 GHz
3.8 GHz
Performance Core Turbo Frequency
4.7 GHz
4.7 GHz
Total Core Count
6
12
Total Thread Count
12
24
Bus Frequency
100 MHz
100 MHz
Multiplier
42
38x
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
512 K per core
L3 Cache
16 MB shared
64 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
—
Memory Parameters
Memory Types
DDR5-5200
DDR4-3200
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
2
Max Memory Bandwidth
83.2 GB/s
47.68 GB/s
ECC Memory Support
No
Yes
Miscellaneous
PCIe Version
4.0
4.0
PCIe Lanes
20
24
Benchmark
Cinebench R23
1,691
1,350
Cinebench R23
13,361
18,437
Geekbench 6
2,500
1,763
Geekbench 6
10,760
11,025
Passmark CPU
3,553
2,769
Passmark CPU
23,127
32,856
Geekbench 5
—
1,311
Geekbench 5
—
12,279
Blender
—
261
▲ Specs Compare
Data sourced from official specifications and benchmark tests.