AMD Ryzen 5 PRO 8540U vs AMD Ryzen 5 8640U

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We compared two laptop CPUs: AMD Ryzen 5 PRO 8540U with 6 cores 3.2GHz 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

AMD Ryzen 5 8640U 's Advantages

Integrated graphics card

Higher specification of memory (LPDDR5x-7500 vs DDR5-5600)

Newer PCIe version (4.0 vs 4)

Higher base frequency (3.5GHz vs 3.2GHz)

Lower TDP (15W vs 28W)

Score

AMD Ryzen 5 PRO 8540U

VS

AMD Ryzen 5 8640U

General Parameters

Apr 2024

Release Date

Dec 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Hawk Point

AMD Socket FP7

Socket

FP7

Radeon 740M

Integrated Graphics

Radeon 760M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

Ryzen 5 (Zen 4 (Hawk Point))

Package

20.9 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

AMD Socket FP7

Socket

FP7

28 W

Power Consumption

15-30 W

-

Peak Operating Temperature

100°C

TSMC

Foundry

TSMC

137 mm²

Die Size

178 mm²

FP7, FP7r2

Package

FP8, FP7, FP7r2

CPU Performance

-

Performance Cores

6

-

Performance Core Threads

12

3.2 GHz

Performance Core Base Frequency

3.5 GHz

4.9 GHz

Performance Core Turbo Frequency

4.9 GHz

3 GHz

Efficiency Core Base Frequency

-

3.5 GHz

Efficiency Core Turbo Frequency

-

6

Total Core Count

6

12

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

32.0

Multiplier

35x

64 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5600

Memory Types

DDR5-5600, LPDDR5x-7500

-

Max Memory Size

256 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

1500 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

AMD Ryzen 5 PRO 8540U

Official Website

AMD Ryzen 5 8640U

4

PCIe Version

4.0

14

PCIe Lanes

20

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