Intel Core i5-8250U vs Intel Core i5-8257U Full Specs

Summary

4 Cores 8 Threads 1.6GHz	4 Cores 8 Threads 1.4GHz
TDP 15W	TDP 15W
Bandwidth 34.1GB/s DDR4·LPDDR3·DDR3L	Bandwidth 42.7GB/s DDR4·LPDDR3
iGPU UHD 620 1100MHz	iGPU Iris Plus 645 1050MHz
Peak·FP32·FP16 422.4 GFLOPSFP16	Peak·FP32·FP16 806.4 GFLOPSFP16
Socket BGA 1356	Socket BGA 1528

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16 TDP

Core i5-8250U1,124

x1

Core i5-8257U1,183

x1.05

Show Top Score

Core Config

4 Cores	4 Cores
8 Threads	8 Threads

Clocks

Base Clock 1.6GHz	Base Clock 1.4GHz
Boost Clock 3.4GHz	Boost Clock 3.9GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 32KB	L1i 32KB
L1d 32KB	L1d 32KB
L2 256KB	L2 256KB
L3 6MB	L3 6MB
L4 Cache -	L4 Cache 128MB

Memory

Type DDR4·LPDDR3·DDR3L	Type DDR4·LPDDR3
Max Memory 32GB	Max Memory 64GB
ECC No	ECC No
Channels 2	Channels 2
Bus Width 128-bit	Bus Width 128-bit
Speed 2133MT/s	Speed 2666MT/s
Bandwidth 34.1GB/s	Bandwidth 42.7GB/s
Bandwidth Calculator Channels Transfer Rate2133MT/s Calculated Bandwidth 34.1GB/s	Bandwidth Calculator Channels Transfer Rate2666MT/s Calculated Bandwidth 42.7GB/s

Power & Thermals

TDP 15W	TDP 15W
cTDP-down 10W	cTDP-down -
cTDP-up 25W	cTDP-up -
Max Operating Temp 100°C Max	Max Operating Temp 100°C Max

Chipset Bus

Bus Type OPI	Bus Type DMI
Bus Config 4 lanes	Bus Config 4 lanes
Bus Speed 4GT/s	Bus Speed 8GT/s
Bus Bandwidth 2GB/s	Bus Bandwidth 4GB/s

Expansion

PCIe PCIe 3.0 x12 11.8GB/sBandwidth

PCIe PCIe 3.0 x16 15.8GB/sBandwidth

iGPU

iGPU UHD 620 1100MHz	iGPU Iris Plus 645 1050MHz
Shaders 192	Shaders 384
Boost Clock 1.1GHz	Boost Clock 1.05GHz
Peak·FP32·FP16 422.4 GFLOPSFP16	Peak·FP32·FP16 806.4 GFLOPSFP16

Controller

Controller Model -	Controller Model 300 Series U+
Codename -	Codename Coffee Lake
PCIe -	PCIe -

Chip

Manufacturer Intel	Manufacturer Intel
ISA x86-64	ISA x86-64
Architecture Skylake	Architecture Skylake
Family Core 8th Gen	Family Core 8th Gen
Branding	Branding
Codename Kaby Lake-R Kaby Lake-R-4C-GT2Variant	Codename Coffee Lake-U Coffee Lake-4C-GT3Variant
Market Segment Laptop	Market Segment Laptop
Release Date Aug 21, 2017	Release Date Apr 5, 2018

Fabrication

Foundry Intel	Foundry Intel
Other Foundries -	Other Foundries InteleDRAM IntelPCH
Fabrication Node 14nm+ - -	Fabrication Node 14nm++ 14nmeDRAM 14nmPCH
Die Size 123mm² - -	Die Size 148mm² 63mm²eDRAM 37mm²PCH
Transistor Count 2.1 Billion	Transistor Count 2.5 Billion
Transistor Density 17 MTr/mm²	Transistor Density 17 MTr/mm²

Images

No images available

No images available

Used In

Laptops Surface Laptop 2 13(Late 2018)Notebook 7 13(Early 2018)Notebook 7 15(Early 2018) Show 2 more	Laptops MacBook Pro 13(Two Ports, Mid 2019)MacBook Pro 13(Two Ports, Mid 2020)
Tablets Surface Pro 6(Intel 8th Gen, Late 2018)	Tablets -

Competitors

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IntelCore i5-8257U vs CPU AMDRyzen AI 5 PRO 340 IntelCore i5-8257U vs CPU AMDRyzen AI 5 340 IntelCore i5-8257U vs CPU AMDRyzen 3 210 Show 12 more