Intel Core i3 N305 vs Intel Core i5 8257U

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We compared two laptop CPUs: Intel Core i3 N305 with 8 cores 1.8GHz and Intel Core i5 8257U with 4 cores 1.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i3 N305 's Advantages

Released 3 years and 6 months late

Higher specification of memory (DDR5-4800 vs DDR4-2400)

Larger memory bandwidth (38.4GB/s vs 37.5GB/s)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (9W vs 15W)

Intel Core i5 8257U 's Advantages

Better graphics card performance

Score

Benchmark

Cinebench R23 Single Core

Intel Core i3 N305 +20%

1203

Intel Core i5 8257U

996

Cinebench R23 Multi Core

Intel Core i3 N305

3582

Intel Core i5 8257U +12%

4031

Geekbench 6 Single Core

Intel Core i3 N305 +5%

1275

Intel Core i5 8257U

1210

Geekbench 6 Multi Core

Intel Core i3 N305 +25%

4905

Intel Core i5 8257U

3922

Blender

Intel Core i3 N305

61

Intel Core i5 8257U +4%

64

Geekbench 5 Single Core

Intel Core i3 N305 +18%

1086

Intel Core i5 8257U

916

Geekbench 5 Multi Core

Intel Core i3 N305 +20%

4607

Intel Core i5 8257U

3820

Intel Core i3 N305

VS

Intel Core i5 8257U

General Parameters

Jan 2023

Release Date

Jul 2019

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Alder Lake

Core Architecture

Coffee Lake

i3-N305

Processor Number

i5-8257U

BGA-1744

Socket

BGA-1528

UHD Graphics (32EU)

Integrated Graphics

Iris Plus Graphics 645

Package

10 nm

Manufacturing Process

14 nm

BGA-1744

Socket

BGA-1528

9-15 W

Power Consumption

15 W

105°C

Peak Operating Temperature

100 °C

CPU Performance

-

Performance Cores

4

-

Performance Core Threads

8

Performance Core Base Frequency

1.4 GHz

-

Performance Core Turbo Frequency

3.9 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

1.8 GHz

Efficiency Core Base Frequency

-

3.9 GHz

Efficiency Core Turbo Frequency

-

8

Total Core Count

4

8

Total Thread Count

8

100 MHz

Bus Frequency

-

18x

Multiplier

14x

96 K per core

L1 Cache

32 K per core

2 MB shared

L2 Cache

256 K per core

6 MB shared

L3 Cache

6 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR5-4800, DDR4-3200, LPDDR5-4800

Memory Types

DDR4-2400, LPDDR3-2133

16 GB

Max Memory Size

32 GB

1

Max Memory Channels

2

38.4 GB/s

Max Memory Bandwidth

37.5 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

300 MHz

1250 MHz

GPU Max Dynamic Frequency

1050 MHz

256

Shader Units

384

16

Texture Units

48

8

Raster Operation Units

6

32

Execution Units

48

45 W

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

0.74 TFLOPS

Graphics Performance

0.81 TFLOPS

Miscellaneous

Intel Core i3 N305

Official Website

Intel Core i5 8257U

3.0

PCIe Version

3.0

9

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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