Product Compare

Intel Core i9 11900K vs Intel Core i9 12900K

	CPU Intel Core i9 11900K	CPU Intel Core i9 12900K
General Parameters
Release Date	Mar 2021	Oct 2021
Manufacturer	Intel	Intel
Type	Desktop	Desktop
Instruction Set	x86-64	x86-64
Core Architecture	Rocket Lake	Alder Lake
Processor Number	i9-11900K	i9-12900K
Integrated Graphics	UHD Graphics 750	UHD Graphics 770
Package
Manufacturing Process	14 nm	10 nm
Socket	LGA-1200	LGA-1700
Power Consumption	125 W	125 W
Peak Operating Temperature	100°C	100°C
CPU Performance
Performance Cores	8	8
Performance Core Threads	16	16
Performance Core Base Frequency	3.5 GHz	3,2 GHz
Performance Core Turbo Frequency	5.3 GHz	5.1 GHz
Total Core Count	8	16
Total Thread Count	16	24
Bus Frequency	100 MHz	100 MHz
Multiplier	35x	32x
L1 Cache	64 K per core	64 K per core
L2 Cache	512 K per core	14 MB shared
L3 Cache	16 MB shared	30 MB shared
Unlocked Multiplier	Yes	Yes
Efficiency Cores		8
Efficiency Core Threads		8
Efficiency Core Base Frequency		2.4 GHz
Efficiency Core Turbo Frequency		3.9 GHz
Memory Parameters
Memory Types	DDR4-3200	DDR5-4800, DDR4-3200
Max Memory Size	128 GB	128 GB
Max Memory Channels	2	2
Max Memory Bandwidth	50 GB/s	76.8 GB/s
ECC Memory Support	No	Yes
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	300 MHz	300 MHz
GPU Max Dynamic Frequency	1300 MHz	1550 MHz
Shader Units	256	256
Texture Units	64	16
Raster Operation Units	32	8
Execution Units	32	32
Power Consumption	15 W	15 W
Max Resolution	3840x2160 - 60 Hz
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	4.0	5.0
PCIe Lanes	20	20
Benchmarks
Cinebench R23 Single Core	1653	2028
Cinebench R23 Multi Core	16211	27422
Geekbench 6 Single Core	2492	2631
Geekbench 6 Multi Core	11197	17004
Blender	205	422