AMD Ryzen 5 PRO 8640U vs AMD Ryzen 5 4600U

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AMD Ryzen 5 PRO 8640U

AMD Ryzen 5 4600U

We compared two laptop CPUs: AMD Ryzen 5 PRO 8640U with 6 cores 3.5GHz and AMD Ryzen 5 4600U with 6 cores 2.1GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 PRO 8640U 's Advantages

Released 4 years and 3 months late

Higher specification of memory (5600 vs 4266)

Newer PCIe version (4 vs 3.0)

Higher base frequency (3.5GHz vs 2.1GHz)

Larger L3 cache size (16MB vs 8MB)

More modern manufacturing process (4nm vs 7nm)

AMD Ryzen 5 4600U 's Advantages

Integrated graphics card

Lower TDP (25W vs 28W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 PRO 8640U +34%

1552

AMD Ryzen 5 4600U

1151

Cinebench R23 Multi Core

AMD Ryzen 5 PRO 8640U +33%

10675

AMD Ryzen 5 4600U

8004

Geekbench 6 Single Core

AMD Ryzen 5 PRO 8640U +85%

2519

AMD Ryzen 5 4600U

1359

Geekbench 6 Multi Core

AMD Ryzen 5 PRO 8640U +118%

10308

AMD Ryzen 5 4600U

4708

AMD Ryzen 5 PRO 8640U

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AMD Ryzen 5 4600U

General Parameters

Apr 2024

Release Date

Jan 2020

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Zen 2

AMD Socket 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

28 W

Power Consumption

10-25 W

-

Peak Operating Temperature

105 °C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

-

Performance Cores

6

-

Performance Core Threads

12

3.5 GHz

Performance Core Base Frequency

2.1 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

35.0

Multiplier

21x

64 KB 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

Memory Types

DDR4-3200, LPDDR4-4266

-

Max Memory Size

32 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

68.27 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Max Dynamic Frequency

1500 MHz

-

Shader Units

384

-

Texture Units

24

-

Raster Operation Units

8

-

Power Consumption

15 W

Miscellaneous

-

Official Website

AMD Ryzen 5 4600U

4

PCIe Version

3.0

20

PCIe Lanes

16

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