Intel Core i9 12900KS vs AMD Ryzen 5 8400F
CPU · Specs Compare
General Parameters
Release Date
Apr 2022
May 2024
Manufacturer
Intel
Amd
Type
Desktop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Alder Lake-S
Zen 4 (Phoenix)
Processor Number
i9-12900KS
—
Integrated Graphics
UHD Graphics 770
No
Generation
—
Ryzen 5 (Zen 4 (Phoenix))
Package
Manufacturing Process
10 nm
4 nm
Socket
LGA-1700
AM5
Power Consumption
150 W
45-65 W
Peak Operating Temperature
100 °C
95 °C
Transistor Count
—
25 billions
Foundry
—
TSMC
Die Size
—
178 mm²
Package
—
FC-LGA1718
CPU Performance
Performance Cores
8
6
Performance Core Base Frequency
3.4 GHz
4.2 GHz
Performance Core Turbo Frequency
5.5 GHz
4.7 GHz
Efficiency Cores
8
—
Total Core Count
16
6
Total Thread Count
24
12
Bus Frequency
100 MHz
100 MHz
Multiplier
34x
42
L1 Cache
64 K per core
64 K per core
L2 Cache
14 MB shared
1 MB per core
L3 Cache
30 MB shared
16 MB shared
Unlocked Multiplier
Yes
Yes
Performance Core Threads
—
12
SMP
—
1
Memory Parameters
Memory Types
DDR5-4800, DDR4-3200
DDR5-5200
Max Memory Size
128 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
76.8 GB/s
83.2 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
—
GPU Base Frequency
300 MHz
—
GPU Max Dynamic Frequency
1550 MHz
—
Shader Units
256
—
Texture Units
16
—
Raster Operation Units
8
—
Execution Units
32
—
Power Consumption
15 W
—
Miscellaneous
PCIe Version
5.0
4.0
PCIe Lanes
20
20
Benchmark
Cinebench R23
2,082
1,691
Cinebench R23
27,796
13,361
Geekbench 6
2,559
2,500
Geekbench 6
15,546
10,760
Passmark CPU
4,357
3,553
Passmark CPU
44,470
23,127
▲ Specs Compare
Data sourced from official specifications and benchmark tests.