Product Compare

Intel Core i9 9940X vs Intel Core i9 12950HX

	CPU Intel Core i9 9940X	CPU Intel Core i9 12950HX
General Parameters
Release Date	Oct 2018	May 2022
Manufacturer	Intel	Intel
Type	Desktop	Laptop
Instruction Set	x86-64	x86-64
Core Architecture	Skylake	Alder Lake
Processor Number	i9-9940X	i9-12950HX
Integrated Graphics	N/A	UHD Graphics (32EU)
Package
Manufacturing Process	14 nm	10 nm
Socket	LGA-2066	BGA-1964
Power Consumption	165 W	45-55 W
Peak Operating Temperature	88 °C	100°C
Max Turbo Power Consumption		157 W
CPU Performance
Performance Cores	14	8
Performance Core Threads	28	16
Performance Core Base Frequency	3.3 GHz	2.3 GHz
Performance Core Turbo Frequency	4.4 GHz	5 GHz
Total Core Count	14	16
Total Thread Count	28	24
Bus Frequency	100 MHz	100 MHz
Multiplier	33x	23x
L1 Cache	64 K per core	80 K per core
L2 Cache	1 MB per core	1280 K per core
L3 Cache	20 MB shared	30 MB shared
Unlocked Multiplier	Yes	Yes
Efficiency Cores		8
Efficiency Core Threads		8
Efficiency Core Base Frequency		1.7 GHz
Efficiency Core Turbo Frequency		3.6 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	85 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	44	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		45 W
Benchmarks
Cinebench R23 Single Core	1228	1962
Cinebench R23 Multi Core	15351	21471
Geekbench 6 Single Core	1328	2546
Geekbench 6 Multi Core	9787	14260