Intel Core i7 1355U vs Intel Core i5 8257U

VS

We compared two laptop CPUs: Intel Core i7 1355U with 10 cores 1.7GHz 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 i7 1355U's Advantages

Released 3 years and 6 months late

Better graphics card performance

Higher specification of memory (LPDDR5-6400 vs DDR4-2400)

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

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (1.7GHz vs 1.4GHz)

Larger L3 cache size (12MB vs 6MB)

More modern manufacturing process (10nm vs 14nm)

Lower TDP (12W vs 15W)

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 1355U +80%

1800

Intel Core i5 8257U

996

Cinebench R23 Multi Core

Intel Core i7 1355U +132%

9362

Intel Core i5 8257U

4031

Geekbench 6 Single Core

Intel Core i7 1355U +96%

2379

Intel Core i5 8257U

1210

Geekbench 6 Multi Core

Intel Core i7 1355U +102%

7945

Intel Core i5 8257U

3922

Blender

Intel Core i7 1355U +76%

113

Intel Core i5 8257U

64

Geekbench 5 Single Core

Intel Core i7 1355U +86%

1709

Intel Core i5 8257U

916

Geekbench 5 Multi Core

Intel Core i7 1355U +119%

8398

Intel Core i5 8257U

3820

Passmark CPU Single Core

Intel Core i7 1355U +56%

3594

Intel Core i5 8257U

2302

Passmark CPU Multi Core

Intel Core i7 1355U +100%

15257

Intel Core i5 8257U

7609

Intel Core i7 1355U

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

Raptor Lake

Core Architecture

Coffee Lake

i7-1355U

Processor Number

i5-8257U

BGA-1744

Socket

BGA-1528

Iris Xe Graphics (96EU)

Integrated Graphics

Iris Plus Graphics 645

Package

10 nm

Manufacturing Process

14 nm

BGA-1744

Socket

BGA-1528

12-15 W

Power Consumption

15 W

55W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

100 °C

CPU Performance

2

Performance Cores

4

Performance Core Threads

8

1.7 GHz

Performance Core Base Frequency

1.4 GHz

5 GHz

Performance Core Turbo Frequency

3.9 GHz

8

Efficiency Cores

-

8

Efficiency Core Threads

-

1.2 GHz

Efficiency Core Base Frequency

-

3.7 GHz

Efficiency Core Turbo Frequency

-

10

Total Core Count

4

12

Total Thread Count

8

100MHz

Bus Frequency

-

17x

Multiplier

14x

80K per core

L1 Cache

32K per core

1280K per core

L2 Cache

256K per core

12MB shared

L3 Cache

6MB shared

No

Unlocked Multiplier

No

Memory Parameters

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

Memory Types

DDR4-2400, LPDDR3-2133

96GB

Max Memory Size

32GB

2

Max Memory Channels

2

89.6 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

1300 MHz

GPU Max Dynamic Frequency

1050 MHz

768

Shader Units

384

48

Texture Units

48

24

Raster Operation Units

6

96

Execution Units

48

15 W

Power Consumption

15 W

-

Max Resolution

4096x2304 - 60 Hz

1.69 TFLOPS

Graphics Performance

0.81 TFLOPS

Miscellaneous

Intel Core i7 1355U

Official Website

Intel Core i5 8257U

4.0

PCIe Version

3.0

20

PCIe Lanes

16

-

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

Related CPU Comparisons

1

Intel Core i7 1355U vs Intel Core i5 1335U

2

AMD Ryzen 7 7730U vs Intel Core i7 1355U

3

Intel Core Ultra 7 155H vs Intel Core i7 1355U

4

Intel Core i7 1355U vs Intel Core i7 1360P

5

Intel Core i7 13700H vs Intel Core i7 1355U

6

Intel Core i5 13500H vs Intel Core i7 1355U

7

Intel Core i7 13620H vs Intel Core i7 1355U

8

Intel Core i5 8257U vs Intel Core i7 9750H

9

Intel Core i7 1355U vs Intel Core i7 8550U

10

Intel Core i7 1355U vs Intel Core i5 10210U