AMD Ryzen 5 8640U vs AMD Ryzen 5 4600H

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We compared two laptop CPUs: AMD Ryzen 5 8640U with 6 cores 3.5GHz and AMD Ryzen 5 4600H with 6 cores 3.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 8640U 's Advantages

Released 3 years and 11 months late

Higher specification of memory (LPDDR5x-7500 vs LPDDR4-4266)

Larger memory bandwidth (89.6GB/s vs 68.27GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.5GHz vs 3.0GHz)

Larger L3 cache size (16MB vs 8MB)

Lower TDP (15W vs 35W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 8640U +58%

1819

AMD Ryzen 5 4600H

1146

Cinebench R23 Multi Core

AMD Ryzen 5 8640U +49%

11872

AMD Ryzen 5 4600H

7922

Geekbench 6 Single Core

AMD Ryzen 5 8640U +74%

2419

AMD Ryzen 5 4600H

1388

Geekbench 6 Multi Core

AMD Ryzen 5 8640U +83%

10350

AMD Ryzen 5 4600H

5628

AMD Ryzen 5 8640U

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AMD Ryzen 5 4600H

General Parameters

Dec 2023

Release Date

Jan 2020

Amd

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Hawk Point

Core Architecture

Zen 2

FP7

Socket

FP6

Radeon 760M

Integrated Graphics

Radeon Vega 6

Ryzen 5 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

7 nm

FP7

Socket

FP6

15-30 W

Power Consumption

35-54 W

100°C

Peak Operating Temperature

105 °C

TSMC

Foundry

-

178 mm²

Die Size

-

FP8, FP7, FP7r2

Package

-

CPU Performance

6

Performance Cores

6

12

Performance Core Threads

12

3.5 GHz

Performance Core Base Frequency

3.0 GHz

4.9 GHz

Performance Core Turbo Frequency

4 GHz

6

Total Core Count

6

12

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

30x

64 K per core

L1 Cache

32 K per core

1 MB per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR4-3200, LPDDR4-4266

256 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

68.27 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

-

2600 MHz

GPU Max Dynamic Frequency

1500 MHz

384

Shader Units

384

24

Texture Units

24

16

Raster Operation Units

8

6

Execution Units

-

15 W

Power Consumption

15 W

4.06 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 5 8640U

Official Website

AMD Ryzen 5 4600H

4.0

PCIe Version

3.0

20

PCIe Lanes

16

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