Product Compare

Intel Core i7 7820X vs Intel Core i9 12900K

	CPU Intel Core i7 7820X	CPU Intel Core i9 12900K
General Parameters
Release Date	May 2017	Oct 2021
Manufacturer	Intel	Intel
Type	Desktop	Desktop
Instruction Set	x86-64	x86-64
Core Architecture	Skylake	Alder Lake
Processor Number	i7-7820X	i9-12900K
Integrated Graphics	N/A	UHD Graphics 770
Package
Manufacturing Process	14 nm	10 nm
Socket	LGA-2066	LGA-1700
Power Consumption	140 W	125 W
Peak Operating Temperature	99 °C	100°C
CPU Performance
Performance Cores	8	8
Performance Core Threads	16	16
Performance Core Base Frequency	3.6 GHz	3,2 GHz
Performance Core Turbo Frequency	4.3 GHz	5.1 GHz
Total Core Count	8	16
Total Thread Count	16	24
Bus Frequency	100 MHz	100 MHz
Multiplier	36x	32x
L1 Cache	64 K per core	64 K per core
L2 Cache	1 MB per core	14 MB shared
L3 Cache	11 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	DDR4-2666	DDR5-4800, DDR4-3200
Max Memory Size	128 GB	128 GB
Max Memory Channels	4	2
Max Memory Bandwidth	79.47 GB/s	76.8 GB/s
ECC Memory Support	No	Yes
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	3.0	5.0
PCIe Lanes	28	20
Extended Instruction Set	SSE4.1, SSE4.2, AVX-2, AVX-512
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
Benchmarks
Cinebench R23 Single Core	1338	2028
Cinebench R23 Multi Core	13358	27422
Geekbench 6 Single Core	1252	2631
Geekbench 6 Multi Core	7510	17004