Product Compare

Intel Core Ultra 7 155H vs Intel Core Ultra X9 378H

	CPU Intel Core Ultra 7 155H	CPU Intel Core Ultra X9 378H
General Parameters
Release Date	Dec 2023	Apr 2026
Manufacturer	Intel	Intel
Type	Laptop	Laptop
Instruction Set	x86-64	x86-64
Core Architecture	Meteor Lake	Panther Lake
Processor Number	155H	378H
Integrated Graphics	Arc Graphics (8-Cores)	Arc B390
Generation	Ultra 7 (Meteor Lake)	Ultra X9 (Panther Lake-H)
Package
Manufacturing Process	7 nm	3 nm
Socket	FCBGA-2049	Intel BGA 2540
Power Consumption	20-65 W	25 W
Max Turbo Power Consumption	115 W	80 W
Peak Operating Temperature	110 °C	100°C
Foundry	Intel	Intel
Package	FC-BGA	FC-BGA
CPU Performance
Performance Cores	6	4
Performance Core Threads	12	8
Performance Core Base Frequency	1.4 GHz	2 GHz
Performance Core Turbo Frequency	4.8 GHz	5 GHz
Efficiency Cores	10	12
Efficiency Core Threads	10	12
Efficiency Core Base Frequency	0.9 GHz	1600 MHz
Efficiency Core Turbo Frequency	3.8 GHz	3.8 GHz
Total Core Count	16	16
Total Thread Count	22	16
Bus Frequency	100 MHz	100 MHz
Multiplier	14	20.0
L1 Cache	112 K per core	192 KB per core
L2 Cache	2 MB per core	2.5 MB per core
L3 Cache	24 MB shared	18 MB shared
Unlocked Multiplier	No	No
SMP	1	1
Memory Parameters
Memory Types	LPDDR5-7467,LPDDR5x-7467,DDR5-5600	LPDDR5X-9600
Max Memory Size	96 GB	96 GB
Max Memory Channels	2	2
Max Memory Bandwidth	120 GB/s	153.6 GB/s
ECC Memory Support	No	No
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	300 MHz	800 MHz
GPU Max Dynamic Frequency	2250 MHz	2500 MHz
Shader Units	1024	1024
Texture Units	64	64
Raster Operation Units	32	32
Execution Units	128	12
Power Consumption	28	45
Max Resolution	7680x4320 - 60 Hz
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	5.0	5
PCIe Lanes	28	4
AI Accelerator
Theoretical performance		50 TOPS