Intel Core i7 8557U vs Intel Pentium Gold 6405U

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Intel Core i7 8557U

Intel Pentium Gold 6405U

We compared two laptop CPUs: Intel Core i7 8557U with 4 cores 1.7GHz and Intel Pentium Gold 6405U with 2 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Core i7 8557U 's Advantages

Newer PCIe version (3.0 vs 2.0)

Larger L3 cache size (8MB vs 2MB)

Intel Pentium Gold 6405U 's Advantages

Higher base frequency (2.4GHz vs 1.7GHz)

Score

Benchmark

Geekbench 6 Single Core

Intel Core i7 8557U +77%

884

Intel Pentium Gold 6405U

497

Geekbench 6 Multi Core

Intel Core i7 8557U +211%

3216

Intel Pentium Gold 6405U

1032

Geekbench 5 Single Core

Intel Core i7 8557U +79%

1031

Intel Pentium Gold 6405U

575

Geekbench 5 Multi Core

Intel Core i7 8557U +199%

3935

Intel Pentium Gold 6405U

1312

Passmark CPU Single Core

Intel Core i7 8557U +81%

2510

Intel Pentium Gold 6405U

1385

Passmark CPU Multi Core

Intel Core i7 8557U +239%

7875

Intel Pentium Gold 6405U

2317

Intel Core i7 8557U

VS

Intel Pentium Gold 6405U

General Parameters

Jul 2019

Release Date

Oct 2019

Intel

Manufacturer

Intel

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Coffee Lake

Core Architecture

Comet Lake

i7-8557U

Processor Number

6405U

BGA-1528

Socket

BGA-1528

Iris Plus Graphics 645

Integrated Graphics

UHD Graphics

Package

14 nm

Manufacturing Process

14 nm

15 W

Power Consumption

15 W

100 °C

Peak Operating Temperature

100 °C

CPU Performance

4

Performance Cores

2

8

Performance Core Threads

4

1.7 GHz

Performance Core Base Frequency

2.4 GHz

4.5 GHz

Performance Core Turbo Frequency

-

4

Total Core Count

2

8

Total Thread Count

4

17x

Multiplier

-

32 K per core

L1 Cache

-

256 K per core

L2 Cache

-

8 MB shared

L3 Cache

2 MB shared

No

Unlocked Multiplier

-

Memory Parameters

DDR4-2400, LPDDR3-2133

Memory Types

DDR4-2400, LPDDR3-2133

32 GB

Max Memory Size

64 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

-

1150 MHz

GPU Max Dynamic Frequency

950 MHz

384

Shader Units

-

48

Texture Units

-

6

Raster Operation Units

-

48

Execution Units

-

15 W

Power Consumption

-

4096x2304 - 60 Hz

Max Resolution

-

0.81 TFLOPS

Graphics Performance

-

Miscellaneous

Intel Core i7 8557U

Official Website

Intel Pentium Gold 6405U

3.0

PCIe Version

2.0

16

PCIe Lanes

12

SSE4.1, SSE4.2, AVX-2

Extended Instruction Set

SSE4.1, SSE4.2

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