AMD Ryzen 5 PRO 8640U vs AMD Ryzen 3 5400U

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AMD Ryzen 5 PRO 8640U

AMD Ryzen 3 5400U

We compared two laptop CPUs: AMD Ryzen 5 PRO 8640U with 6 cores 3.5GHz and AMD Ryzen 3 5400U with 4 cores 2.6GHz . 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 3 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 2.6GHz)

Larger L3 cache size (16MB vs 8MB)

More modern manufacturing process (4nm vs 7nm)

AMD Ryzen 3 5400U 's Advantages

Integrated graphics card

Lower TDP (25W vs 28W)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 5 PRO 8640U +53%

2519

AMD Ryzen 3 5400U

1639

Geekbench 6 Multi Core

AMD Ryzen 5 PRO 8640U +129%

10308

AMD Ryzen 3 5400U

4483

AMD Ryzen 5 PRO 8640U

VS

AMD Ryzen 3 5400U

General Parameters

Apr 2024

Release Date

Jan 2021

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Cezanne

AMD Socket FP7

Socket

FP6

Radeon 760M

Integrated Graphics

Radeon RX 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

4

-

Performance Core Threads

8

3.5 GHz

Performance Core Base Frequency

2.6 GHz

4.9 GHz

Performance Core Turbo Frequency

4 GHz

6

Total Core Count

4

12

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

26x

64 KB per core

L1 Cache

64 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

51.2 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Max Dynamic Frequency

1600 MHz

-

Shader Units

384

-

Texture Units

24

-

Raster Operation Units

8

-

Power Consumption

15 W

Miscellaneous

-

Official Website

AMD Ryzen 3 5400U

4

PCIe Version

3.0

20

PCIe Lanes

12

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