Product Compare

Intel Core i5 8257U vs Intel Core Ultra 7 155U

	CPU Intel Core i5 8257U	CPU Intel Core Ultra 7 155U
General Parameters
Release Date	Jul 2019	Dec 2023
Manufacturer	Intel	Intel
Type	Laptop	Laptop
Instruction Set	x86-64	x86-64
Core Architecture	Coffee Lake	Meteor Lake
Processor Number	i5-8257U	155U
Integrated Graphics	Iris Plus Graphics 645	Arc Graphics (4-Cores)
Package
Manufacturing Process	14 nm	7 nm
Socket	BGA-1528	FCBGA-2049
Power Consumption	15 W	12-15 W
Peak Operating Temperature	100 °C	110 °C
Max Turbo Power Consumption		57 W
CPU Performance
Performance Cores	4	2
Performance Core Threads	8	4
Performance Core Base Frequency	1.4 GHz	1.7 GHz
Performance Core Turbo Frequency	3.9 GHz	4.8 GHz
Total Core Count	4	12
Total Thread Count	8	14
Multiplier	14x	17
L1 Cache	32 K per core	112 K per core
L2 Cache	256 K per core	2 MB per core
L3 Cache	6 MB shared	12 MB shared
Unlocked Multiplier	No	No
Efficiency Cores		10
Efficiency Core Threads		10
Efficiency Core Base Frequency		1.2 GHz
Efficiency Core Turbo Frequency		3.8 GHz
Bus Frequency		100 MHz
Memory Parameters
Memory Types	DDR4-2400, LPDDR3-2133	LPDDR5-7467,LPDDR5x-7467,DDR5-5600
Max Memory Size	32 GB	96 GB
Max Memory Channels	2	2
Max Memory Bandwidth	37.5 GB/s	120 GB/s
ECC Memory Support	No	No
Graphics Card Parameters
Integrated Graphics	true	true
GPU Base Frequency	300 MHz	300 MHz
GPU Max Dynamic Frequency	1050 MHz	1950 MHz
Shader Units	384	512
Texture Units	48	32
Raster Operation Units	6	16
Execution Units	48	64
Power Consumption	15 W	14
Max Resolution	4096x2304 - 60 Hz	7680x4320 - 60 Hz
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	3.0	4.0
PCIe Lanes	16	20
Extended Instruction Set	SSE4.1, SSE4.2, AVX-2
Benchmarks
Cinebench R23 Single Core	996	1730
Cinebench R23 Multi Core	4031	9875
Geekbench 6 Single Core	1210	2314
Geekbench 6 Multi Core	3922	9486