Product Compare

Intel Core i5 8400 vs Intel Core i9 12900

	CPU Intel Core i5 8400	CPU Intel Core i9 12900
General Parameters
Release Date	Oct 2017	Jan 2022
Manufacturer	Intel	Intel
Type	Desktop	Desktop
Instruction Set	x86-64
Core Architecture	Coffee Lake	Alder Lake-S
Processor Number	i5-8400
Integrated Graphics	UHD Graphics 630	UHD Graphics 770
Generation		Core i9 (Alder Lake-S)
Package
Manufacturing Process	14 nm	10 nm
Socket	LGA-1151	Intel Socket 1700
Power Consumption	65 W	65 W
Peak Operating Temperature	100 °C	72 °C
Foundry		Intel
Die Size		215 mm²
Package		FC-LGA16A
CPU Performance
Performance Cores	6	8
Performance Core Threads	6	16
Performance Core Base Frequency	2.8 GHz	2.4 GHz
Performance Core Turbo Frequency	4 GHz	5.1 GHz
Total Core Count	6	16
Total Thread Count	6	24
Bus Frequency	100 MHz	100 MHz
Multiplier	28x	24.0
L1 Cache	64 K per core	80 KB per core
L2 Cache	256 K per core	1.25 MB per core
L3 Cache	9 MB shared	30 MB shared
Unlocked Multiplier	No	Yes
Efficiency Cores		8
Efficiency Core Threads		8
Efficiency Core Base Frequency		1800 MHz
Efficiency Core Turbo Frequency		3.8 GHz
SMP		1
Memory Parameters
Memory Types	DDR4-2666	DDR4-3200, DDR5-4800
Max Memory Size	128 GB
Max Memory Channels	2	2
Max Memory Bandwidth	41.6 GB/s	76.8 GB/s
ECC Memory Support	No	No
Graphics Card Parameters
Integrated Graphics	true
GPU Base Frequency	350 MHz
GPU Max Dynamic Frequency	1050 MHz
Shader Units	192
Texture Units	24
Raster Operation Units	3
Execution Units	24
Power Consumption	15 W
Max Resolution	4096x2304 - 60 Hz
Miscellaneous
Official Website	Official Link ↗
PCIe Version	3.0	5
PCIe Lanes	16	20
Extended Instruction Set	SSE4.1, SSE4.2, AVX-2
Benchmarks
Cinebench R23 Single Core	1026	1988
Cinebench R23 Multi Core	5798	26454
Geekbench 6 Single Core	1298	2727
Geekbench 6 Multi Core	4677	13396
Blender	83	183