AMD Ryzen 5 8400F vs Intel Core i9 9900X
CPU · Specs Compare
General Parameters
Release Date
May 2024
Oct 2018
Manufacturer
Amd
Intel
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 4 (Phoenix)
Skylake
Integrated Graphics
No
N/A
Generation
Ryzen 5 (Zen 4 (Phoenix))
—
Processor Number
—
i9-9900X
Package
Transistor Count
25 billions
—
Manufacturing Process
4 nm
14 nm
Socket
AM5
LGA-2066
Power Consumption
45-65 W
165 W
Peak Operating Temperature
95 °C
92 °C
Foundry
TSMC
—
Die Size
178 mm²
—
Package
FC-LGA1718
—
CPU Performance
Performance Cores
6
10
Performance Core Threads
12
20
Performance Core Base Frequency
4.2 GHz
3.5 GHz
Performance Core Turbo Frequency
4.7 GHz
4.4 GHz
Total Core Count
6
10
Total Thread Count
12
20
Bus Frequency
100 MHz
100 MHz
Multiplier
42
35x
L1 Cache
64 K per core
64 K per core
L2 Cache
1 MB per core
1 MB per core
L3 Cache
16 MB shared
20 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
—
Memory Parameters
Memory Types
DDR5-5200
DDR4-2666
Max Memory Size
256 GB
128 GB
Max Memory Channels
2
4
Max Memory Bandwidth
83.2 GB/s
85 GB/s
ECC Memory Support
No
No
Miscellaneous
PCIe Version
4.0
3.0
PCIe Lanes
20
44
Extended Instruction Set
—
SSE4.1, SSE4.2, AVX-2, AVX-512
Benchmark
Cinebench R23
1,691
1,182
Cinebench R23
13,361
13,994
Geekbench 6
2,500
1,455
Geekbench 6
10,760
10,273
Passmark CPU
3,553
2,565
Passmark CPU
23,127
21,833
Geekbench 5
—
1,165
Geekbench 5
—
10,704
▲ Specs Compare
Data sourced from official specifications and benchmark tests.