Product Compare

Intel Core Ultra 7 155U vs Intel Core i5 8400

	CPU Intel Core Ultra 7 155U	CPU Intel Core i5 8400
General Parameters
Release Date	Dec 2023	Oct 2017
Manufacturer	Intel	Intel
Type	Laptop	Desktop
Instruction Set	x86-64	x86-64
Core Architecture	Meteor Lake	Coffee Lake
Processor Number	155U	i5-8400
Integrated Graphics	Arc Graphics (4-Cores)	UHD Graphics 630
Package
Manufacturing Process	7 nm	14 nm
Socket	FCBGA-2049	LGA-1151
Power Consumption	12-15 W	65 W
Max Turbo Power Consumption	57 W
Peak Operating Temperature	110 °C	100 °C
CPU Performance
Performance Cores	2	6
Performance Core Threads	4	6
Performance Core Base Frequency	1.7 GHz	2.8 GHz
Performance Core Turbo Frequency	4.8 GHz	4 GHz
Efficiency Cores	10
Efficiency Core Threads	10
Efficiency Core Base Frequency	1.2 GHz
Efficiency Core Turbo Frequency	3.8 GHz
Total Core Count	12	6
Total Thread Count	14	6
Bus Frequency	100 MHz	100 MHz
Multiplier	17	28x
L1 Cache	112 K per core	64 K per core
L2 Cache	2 MB per core	256 K per core
L3 Cache	12 MB shared	9 MB shared
Unlocked Multiplier	No	No
Memory Parameters
Memory Types	LPDDR5-7467,LPDDR5x-7467,DDR5-5600	DDR4-2666
Max Memory Size	96 GB	128 GB
Max Memory Channels	2	2
Max Memory Bandwidth	120 GB/s	41.6 GB/s
ECC Memory Support	No	No
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	300 MHz	350 MHz
GPU Max Dynamic Frequency	1950 MHz	1050 MHz
Shader Units	512	192
Texture Units	32	24
Raster Operation Units	16	3
Execution Units	64	24
Power Consumption	14	15 W
Max Resolution	7680x4320 - 60 Hz	4096x2304 - 60 Hz
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	4.0	3.0
PCIe Lanes	20	16
Extended Instruction Set		SSE4.1, SSE4.2, AVX-2
Benchmarks
Cinebench R23 Single Core	1730	1026
Cinebench R23 Multi Core	9875	5798
Geekbench 6 Single Core	2314	1298
Geekbench 6 Multi Core	9486	4677
Blender	140	83
Passmark CPU Single Core	3413	2387
Passmark CPU Multi Core	16486	9214