Intel Pentium Gold 6405U vs AMD Ryzen 5 8640U

VS

Intel Pentium Gold 6405U AMD Ryzen 5 8640U

We compared two laptop CPUs: Intel Pentium Gold 6405U with 2 cores 2.4GHz and AMD Ryzen 5 8640U with 6 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

Intel Pentium Gold 6405U 's Advantages

Lower TDP (15W vs 15W)

AMD Ryzen 5 8640U 's Advantages

Released 4 years and 2 months late

Higher specification of memory (LPDDR5x-7500 vs DDR4-2400)

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

Newer PCIe version (4.0 vs 2.0)

Higher base frequency (3.5GHz vs 2.4GHz)

Larger L3 cache size (16MB vs 2MB)

Score

Intel Pentium Gold 6405U

VS

AMD Ryzen 5 8640U

General Parameters

Oct 2019

Release Date

Dec 2023

Intel

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Comet Lake

Core Architecture

Hawk Point

6405U

Processor Number

-

BGA-1528

Socket

FP7

UHD Graphics

Integrated Graphics

Radeon 760M

-

Generation

Ryzen 5 (Zen 4 (Hawk Point))

Package

-

Transistor Count

25 billions

14 nm

Manufacturing Process

4 nm

BGA-1528

Socket

FP7

15 W

Power Consumption

15-30 W

100 °C

Peak Operating Temperature

100°C

-

Foundry

TSMC

-

Die Size

178 mm²

-

Package

FP8, FP7, FP7r2

CPU Performance

2

Performance Cores

6

4

Performance Core Threads

12

2.4 GHz

Performance Core Base Frequency

3.5 GHz

-

Performance Core Turbo Frequency

4.9 GHz

2

Total Core Count

6

4

Total Thread Count

12

-

Bus Frequency

100 MHz

-

Multiplier

35x

-

L1 Cache

64 K per core

-

L2 Cache

1 MB per core

2 MB shared

L3 Cache

16 MB shared

-

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-2400, LPDDR3-2133

Memory Types

DDR5-5600, LPDDR5x-7500

64 GB

Max Memory Size

256 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

-

GPU Base Frequency

1500 MHz

950 MHz

GPU Max Dynamic Frequency

2600 MHz

-

Shader Units

384

-

Texture Units

24

-

Raster Operation Units

16

-

Execution Units

6

-

Power Consumption

15 W

-

Graphics Performance

4.06 TFLOPS

Miscellaneous

Intel Pentium Gold 6405U

Official Website

AMD Ryzen 5 8640U

2.0

PCIe Version

4.0

12

PCIe Lanes

20

SSE4.1, SSE4.2

Extended Instruction Set

-

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