Intel Core i5 8257U vs Intel Core i5 1340P

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We compared two laptop CPUs: Intel Core i5 8257U with 4 cores 1.4GHz and Intel Core i5 1340P with 12 cores 1.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i5 8257U 's Advantages

Lower TDP (15W vs 20W)

Intel Core i5 1340P 's Advantages

Released 3 years and 6 months late

Better graphics card performance

Higher specification of memory (LPDDR5x-6400 vs DDR4-2400)

Larger memory bandwidth (89.6GB/s vs 37.5GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (1.9GHz vs 1.4GHz)

Larger L3 cache size (12MB vs 6MB)

More modern manufacturing process (10nm vs 14nm)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i5 8257U

996

Intel Core i5 1340P +70%

1702

Cinebench R23 Multi Core

Intel Core i5 8257U

4031

Intel Core i5 1340P +165%

10717

Geekbench 6 Single Core

Intel Core i5 8257U

1210

Intel Core i5 1340P +72%

2087

Geekbench 6 Multi Core

Intel Core i5 8257U

3922

Intel Core i5 1340P +145%

9638

Blender

Intel Core i5 8257U

64

Intel Core i5 1340P +153%

162

Geekbench 5 Single Core

Intel Core i5 8257U

916

Intel Core i5 1340P +80%

1655

Geekbench 5 Multi Core

Intel Core i5 8257U

3820

Intel Core i5 1340P +150%

9574

Intel Core i5 8257U

VS

Intel Core i5 1340P

General Parameters

Jul 2019

Release Date

Jan 2023

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Raptor Lake

i5-8257U

Processor Number

i5-1340P

BGA-1528

Socket

BGA-1744

Iris Plus Graphics 645

Integrated Graphics

Iris Xe Graphics (80EU)

Package

14 nm

Manufacturing Process

10 nm

BGA-1528

Socket

BGA-1744

15 W

Power Consumption

20-28 W

-

Max Turbo Power Consumption

64 W

100 °C

Peak Operating Temperature

100°C

CPU Performance

4

Performance Cores

4

8

Performance Core Threads

8

1.4 GHz

Performance Core Base Frequency

1.9 GHz

3.9 GHz

Performance Core Turbo Frequency

4.6 GHz

-

Efficiency Cores

8

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

1.4 GHz

-

Efficiency Core Turbo Frequency

3.4 GHz

4

Total Core Count

12

8

Total Thread Count

16

-

Bus Frequency

100 MHz

14x

Multiplier

19x

32 K per core

L1 Cache

80 K per core

256 K per core

L2 Cache

2 MB per core

6 MB shared

L3 Cache

12 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2400, LPDDR3-2133

Memory Types

DDR5-5200, DDR4-3200, LPDDR5x-6400, LPDDR5-6400, LPDDR4x-4267

32 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

37.5 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

300 MHz

GPU Base Frequency

300 MHz

1050 MHz

GPU Max Dynamic Frequency

1450 MHz

384

Shader Units

640

48

Texture Units

40

6

Raster Operation Units

20

48

Execution Units

80

15 W

Power Consumption

15 W

4096x2304 - 60 Hz

Max Resolution

-

0.81 TFLOPS

Graphics Performance

1.41 TFLOPS

Miscellaneous

Intel Core i5 8257U

Official Website

Intel Core i5 1340P

3.0

PCIe Version

4.0

16

PCIe Lanes

20

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

-

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