Product Compare

Intel Core i5 6600K vs Intel Core Ultra X9 378H

	CPU Intel Core i5 6600K	CPU Intel Core Ultra X9 378H
General Parameters
Release Date	Aug 2015	Apr 2026
Manufacturer	Intel	Intel
Type	Desktop	Laptop
Instruction Set	x86-64	x86-64
Core Architecture	Skylake	Panther Lake
Processor Number	i5-6600K	378H
Integrated Graphics	HD Graphics 530	Arc B390
Generation		Ultra X9 (Panther Lake-H)
Package
Manufacturing Process	14 nm	3 nm
Socket	LGA-1151	Intel BGA 2540
Power Consumption	91 W	25 W
Max Turbo Power Consumption		80 W
Peak Operating Temperature		100°C
Foundry		Intel
Package		FC-BGA
CPU Performance
Performance Cores	4	4
Performance Core Threads	4	8
Performance Core Base Frequency	3.5 GHz	2 GHz
Performance Core Turbo Frequency	3.9 GHz	5 GHz
Total Core Count	4	16
Total Thread Count	4	16
Bus Frequency	100 MHz	100 MHz
Multiplier	35	20.0
L1 Cache	64 K per core	192 KB per core
L2 Cache	256 K per core	2.5 MB per core
L3 Cache	6 MB shared	18 MB shared
Unlocked Multiplier	No	No
Efficiency Cores		12
Efficiency Core Threads		12
Efficiency Core Base Frequency		1600 MHz
Efficiency Core Turbo Frequency		3.8 GHz
SMP		1
Memory Parameters
Memory Types	DDR4-2133, DDR3L-1600	LPDDR5X-9600
Max Memory Size	64 GB	96 GB
Max Memory Channels	2	2
Max Memory Bandwidth	34.1 GB/s	153.6 GB/s
ECC Memory Support	No	No
Graphics Card Parameters
Integrated Graphics	true	true
GPU Max Dynamic Frequency	1150 MHz	2500 MHz
GPU Base Frequency		800 MHz
Shader Units		1024
Texture Units		64
Raster Operation Units		32
Execution Units		12
Power Consumption		45
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	3.0	5
PCIe Lanes	16	4
Extended Instruction Set	SSE4.1, SSE4.2, AVX-2
AI Accelerator
Theoretical performance		50 TOPS