AMD Ryzen 5 8640HS vs AMD Ryzen 5 7545U

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We compared two laptop CPUs: AMD Ryzen 5 8640HS with 6 cores 3.5GHz and AMD Ryzen 5 7545U with 6 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 8640HS 's Advantages

Integrated graphics card

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

Higher base frequency (3.5GHz vs 3.2GHz)

AMD Ryzen 5 7545U 's Advantages

Newer PCIe version (4 vs 4.0)

Score

AMD Ryzen 5 8640HS

VS

AMD Ryzen 5 7545U

General Parameters

Dec 2023

Release Date

Nov 2023

Amd

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Hawk Point

Core Architecture

Phoenix2

FP8

Socket

AMD Socket FP7

Radeon 760M

Integrated Graphics

Radeon 740M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

Ryzen 5 (Zen 4 (Phoenix))

Package

25 billions

Transistor Count

20.9 billions

4 nm

Manufacturing Process

4 nm

FP8

Socket

AMD Socket FP7

28 W

Power Consumption

28 W

100°C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

178 mm²

Die Size

137 mm²

FP8, FP7, FP7r2

Package

FP7, FP7r2

CPU Performance

6

Performance Cores

-

12

Performance Core Threads

-

3.5 GHz

Performance Core Base Frequency

3.2 GHz

4.9 GHz

Performance Core Turbo Frequency

4.9 GHz

-

Efficiency Core Base Frequency

3 GHz

-

Efficiency Core Turbo Frequency

3.5 GHz

6

Total Core Count

6

12

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

32.0

64 K per core

L1 Cache

64 KB 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, LPDDR5x-7500

Memory Types

DDR5-5600

256 GB

Max Memory Size

-

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

-

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

1500 MHz

GPU Base Frequency

-

2600 MHz

GPU Max Dynamic Frequency

-

384

Shader Units

-

24

Texture Units

-

16

Raster Operation Units

-

6

Execution Units

-

15 W

Power Consumption

-

7680x4320 - 60 Hz

Max Resolution

-

4.06 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 5 8640HS

Official Website

-

4.0

PCIe Version

4

20

PCIe Lanes

14

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