Product Compare

Intel Core Ultra 7 366H vs Intel Core Ultra 7 251HX

	CPU Intel Core Ultra 7 366H	CPU Intel Core Ultra 7 251HX
General Parameters
Release Date	Jan 2026	Apr 2026
Manufacturer	Intel	Intel
Type	Laptop	Laptop
Instruction Set	x86-64	x86-64
Core Architecture	Panther Lake	Arrow Lake
Processor Number	366H	251HX
Integrated Graphics	Graphics 4 Xe3	Arc Graphics (4-Cores)
Generation	Intel Core Ultra Series 3
Package
Manufacturing Process	3 nm	3 nm
Socket	Custom	FCBGA-2114
Power Consumption	15-25 W	45-55 W
Max Turbo Power Consumption	80 W	160 W
Peak Operating Temperature	100 °C	105 °C
CPU Performance
Performance Cores	4	6
Performance Core Threads	4	6
Performance Core Base Frequency	2.0 GHz	2.9 GHz
Performance Core Turbo Frequency	4.8 GHz	5.1 GHz
Efficiency Cores	12	12
Efficiency Core Threads	12	12
Efficiency Core Base Frequency	1.6 GHz	2.5 GHz
Efficiency Core Turbo Frequency	3.8 GHz	4.5 GHz
Total Core Count	16	18
Total Thread Count	16	18
Bus Frequency	100 MHz	100 MHz
Multiplier	20	29
L1 Cache	192 K per core	192 K per core
L2 Cache	2560 K per core	2 MB per core
L3 Cache	18 MB shared	30 MB shared
Unlocked Multiplier	No	Yes
Memory Parameters
Memory Types	LPDDR5X-8533,DDR5-7200	DDR5-6400
Max Memory Size	128 GB	256 GB
Max Memory Channels	2	2
Max Memory Bandwidth	136.5 GB/s	102.4 GB/s
ECC Memory Support	No	No
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	800 MHz	300 MHz
GPU Max Dynamic Frequency	2500 MHz	1800 MHz
Shader Units	1024	512
Texture Units	64	32
Raster Operation Units	32	16
Execution Units	4	64
Max Resolution	7680 x 4320 @ 60Hz
Power Consumption		14
AI Accelerator
Theoretical performance	50 TOPS
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	5.0	5.0
PCIe Lanes	20	24
Benchmarks
Geekbench 6 Single Core	2760	2940
Geekbench 6 Multi Core	16088	15262