Home Comparison Intel Core i5 9400 vs Intel Core i9 12900KS

Intel Core i5 9400 vs Intel Core i9 12900KS

Intel Core i5 9400
VS
Intel Core i9 12900KS
Intel Core i5 9400
Intel Core i9 12900KS
We compared two desktop CPUs: Intel Core i5 9400 with 6 cores 2.9GHz and Intel Core i9 12900KS with 16 cores 3.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 9400 's Advantages
Lower TDP (65W vs 150W)
Intel Core i9 12900KS 's Advantages
Released 3 years and 3 months late
Better graphics card performance
Higher specification of memory (4800 vs 2666)
Larger memory bandwidth (76.8GB/s vs 41.6GB/s)
Newer PCIe version (5.0 vs 3.0)
Higher base frequency (3.4GHz vs 2.9GHz)
Larger L3 cache size (30MB vs 9MB)
More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Geekbench 6 Single Core
Intel Core i5 9400
1102
Intel Core i9 12900KS +132%
2559
Geekbench 6 Multi Core
Intel Core i5 9400
2309
Intel Core i9 12900KS +573%
15546
Blender
Intel Core i5 9400
84
Intel Core i9 12900KS +388%
410
Geekbench 5 Single Core
Intel Core i5 9400
1048
Intel Core i9 12900KS +94%
2041
Geekbench 5 Multi Core
Intel Core i5 9400
4599
Intel Core i9 12900KS +284%
17685
Passmark CPU Single Core
Intel Core i5 9400
2457
Intel Core i9 12900KS +77%
4357
Passmark CPU Multi Core
Intel Core i5 9400
9431
Intel Core i9 12900KS +371%
44470
Intel Core i5 9400
VS
Intel Core i9 12900KS

General Parameters

Jan 2019
Release Date
Apr 2022
Intel
Manufacturer
Intel
Desktop
Type
Desktop
x86-64
Instruction Set
x86-64
Coffee Lake
Core Architecture
Alder Lake-S
i5-9400
Processor Number
i9-12900KS
LGA-1151
Socket
LGA-1700
UHD Graphics 630
Integrated Graphics
UHD Graphics 770

Package

14 nm
Manufacturing Process
10 nm
65 W
Power Consumption
150 W
100 °C
Peak Operating Temperature
100 °C

CPU Performance

6
Performance Cores
8
6
Performance Core Threads
-
2.9 GHz
Performance Core Base Frequency
3.4 GHz
4.1 GHz
Performance Core Turbo Frequency
5.5 GHz
-
Efficiency Cores
8
6
Total Core Count
16
6
Total Thread Count
24
100 MHz
Bus Frequency
100 MHz
29x
Multiplier
34x
64 K per core
L1 Cache
64 K per core
256 K per core
L2 Cache
14 MB shared
9 MB shared
L3 Cache
30 MB shared
No
Unlocked Multiplier
Yes

Memory Parameters

DDR4-2666
Memory Types
DDR5-4800, DDR4-3200
128 GB
Max Memory Size
128 GB
2
Max Memory Channels
2
41.6 GB/s
Max Memory Bandwidth
76.8 GB/s
No
ECC Memory Support
Yes

Graphics Card Parameters

true
Integrated Graphics
true
350 MHz
GPU Base Frequency
300 MHz
1050 MHz
GPU Max Dynamic Frequency
1550 MHz
192
Shader Units
256
24
Texture Units
16
3
Raster Operation Units
8
24
Execution Units
32
15 W
Power Consumption
15 W
4096x2304 - 60 Hz
Max Resolution
-
0.38 TFLOPS
Graphics Performance
0.78 TFLOPS

Miscellaneous

Intel Core i5 9400
Official Website
Intel Core i9 12900KS
3.0
PCIe Version
5.0
16
PCIe Lanes
20
SSE4.1, SSE4.2, AVX-2
Extended Instruction Set
-

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