Intel Core i7 8665U vs Intel Core i7 8557U

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We compared two laptop CPUs: Intel Core i7 8665U with 4 cores 1.9GHz and Intel Core i7 8557U with 4 cores 1.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 8665U 's Advantages

Higher base frequency (1.9GHz vs 1.7GHz)

Intel Core i7 8557U 's Advantages

Better graphics card performance

Score

Benchmark

Cinebench R23 Single Core

Intel Core i7 8665U +7%

1264

Intel Core i7 8557U

1180

Cinebench R23 Multi Core

Intel Core i7 8665U

3779

Intel Core i7 8557U +21%

4595

Geekbench 6 Single Core

Intel Core i7 8665U +67%

1484

Intel Core i7 8557U

884

Geekbench 6 Multi Core

Intel Core i7 8665U +22%

3939

Intel Core i7 8557U

3216

Geekbench 5 Single Core

Intel Core i7 8665U +2%

1056

Intel Core i7 8557U

1031

Geekbench 5 Multi Core

Intel Core i7 8665U

3056

Intel Core i7 8557U +28%

3935

Passmark CPU Single Core

Intel Core i7 8665U

2192

Intel Core i7 8557U +14%

2510

Passmark CPU Multi Core

Intel Core i7 8665U

6232

Intel Core i7 8557U +26%

7875

Intel Core i7 8665U

VS

Intel Core i7 8557U

General Parameters

Apr 2019

Release Date

Jul 2019

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Whiskey Lake

Core Architecture

Coffee Lake

i7-8665U

Processor Number

i7-8557U

BGA-1528

Socket

BGA-1528

UHD Graphics 620

Integrated Graphics

Iris Plus Graphics 645

Package

14 nm

Manufacturing Process

14 nm

BGA-1528

Socket

BGA-1528

15 W

Power Consumption

15 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

4

8

Performance Core Threads

8

1.9 GHz

Performance Core Base Frequency

1.7 GHz

4.8 GHz

Performance Core Turbo Frequency

4.5 GHz

4

Total Core Count

4

8

Total Thread Count

8

19x

Multiplier

17x

32 K per core

L1 Cache

32 K per core

256 K per core

L2 Cache

256 K per core

8 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-2400, LPDDR3-2133

Memory Types

DDR4-2400, LPDDR3-2133

64 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

37.5 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

1150 MHz

GPU Max Dynamic Frequency

1150 MHz

192

Shader Units

384

24

Texture Units

48

3

Raster Operation Units

6

24

Execution Units

48

15 W

Power Consumption

15 W

4096x2304 - 60 Hz

Max Resolution

4096x2304 - 60 Hz

0.38 TFLOPS

Graphics Performance

0.81 TFLOPS

Miscellaneous

Intel Core i7 8665U

Official Website

Intel Core i7 8557U

3.0

PCIe Version

3.0

16

PCIe Lanes

16

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

SSE4.1, SSE4.2, AVX-2

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