Product Compare

Intel Core i7 8557U vs Intel Core i7 1250U

	CPU Intel Core i7 8557U	CPU Intel Core i7 1250U
General Parameters
Release Date	Jul 2019	Feb 2022
Manufacturer	Intel	Intel
Type	Laptop	Laptop
Instruction Set	x86-64	x86-64
Core Architecture	Coffee Lake	Alder Lake
Processor Number	i7-8557U	i7-1250U
Integrated Graphics	Iris Plus Graphics 645	Iris Xe Graphics (96EU)
Package
Manufacturing Process	14 nm	10 nm
Socket	BGA-1528	BGA-1781
Power Consumption	15 W	9 W
Peak Operating Temperature	100 °C	100°C
Max Turbo Power Consumption		29 W
CPU Performance
Performance Cores	4	2
Performance Core Threads	8	4
Performance Core Base Frequency	1.7 GHz	1.1 GHz
Performance Core Turbo Frequency	4.5 GHz	4.7 GHz
Total Core Count	4	10
Total Thread Count	8	12
Multiplier	17x	11x
L1 Cache	32 K per core	80 K per core
L2 Cache	256 K per core	1280 K per core
L3 Cache	8 MB shared	12 MB shared
Unlocked Multiplier	No	No
Efficiency Cores		8
Efficiency Core Threads		8
Efficiency Core Base Frequency		0.8 GHz
Efficiency Core Turbo Frequency		3.5 GHz
Bus Frequency		100 MHz
Memory Parameters
Memory Types	DDR4-2400, LPDDR3-2133	LPDDR5-5200, LPDDR4x-4267
Max Memory Size	32 GB	64 GB
Max Memory Channels	2	2
Max Memory Bandwidth	37.5 GB/s	76.8 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	1150 MHz	950 MHz
Shader Units	384	768
Texture Units	48	48
Raster Operation Units	6	24
Execution Units	48	96
Power Consumption	15 W	15 W
Max Resolution	4096x2304 - 60 Hz
Miscellaneous
Official Website	Official Link ↗	Official Link ↗
PCIe Version	3.0	4.0
PCIe Lanes	16	14
Extended Instruction Set	SSE4.1, SSE4.2, AVX-2