AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 9 7940HX

VS

AMD Ryzen 5 PRO 8645HS AMD Ryzen 9 7940HX

We compared two laptop CPUs: AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz and AMD Ryzen 9 7940HX with 16 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 PRO 8645HS Advantages

Higher specification of memory (DDR5-5600 vs DDR5-5200)

Higher base frequency (4.3GHz vs 2.4GHz)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (45W vs 55W)

AMD Ryzen 9 7940HX Advantages

Integrated graphics card

Newer PCIe version (5.0 vs 4)

Larger L3 cache size (64MB vs 16MB)

Score

AMD Ryzen 5 PRO 8645HS

VS

AMD Ryzen 9 7940HX

General Parameters

Apr 2024

Release Date

Jan 2024

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Zen 4 (Dragon Range)

AMD Socket FP7

Socket

AMD Socket FL1

Radeon 760M

Integrated Graphics

Radeon 610M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

13.14 billions

4 nm

Manufacturing Process

5 nm

AMD Socket FP7

Socket

AMD Socket FL1

45 W

Power Consumption

55 W

-

Peak Operating Temperature

100°C

TSMC

Foundry

-

178 mm²

Die Size

-

FP7, FP7r2

Package

-

CPU Performance

-

Performance Cores

16

-

Performance Core Threads

32

4.3 GHz

Performance Core Base Frequency

2.4 GHz

5 GHz

Performance Core Turbo Frequency

5.2 GHz

6

Total Core Count

16

12

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

43.0

Multiplier

24

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

64 MB

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5600

Memory Types

DDR5-5200

-

Max Memory Size

64 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

-

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

400 MHz

-

GPU Max Dynamic Frequency

2200 MHz

-

Shader Units

128

-

Texture Units

8

-

Raster Operation Units

4

-

Execution Units

2

-

Power Consumption

15 W

-

Graphics Performance

0.563 TFLOPS

Miscellaneous

AMD Ryzen 5 PRO 8645HS

Official Website

4

PCIe Version

5.0

20

PCIe Lanes

28

Related SoC Comparison

1

AMD Ryzen 5 PRO 8645HS vs Intel Core i7 9850H

2

AMD Ryzen 5 PRO 8645HS vs Intel Core i5 14500HX

3

AMD Ryzen 5 PRO 8645HS vs AMD Ryzen AI 9 365

4

AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 9 8940H

5

AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 9 8945HS

6

AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 5 7640U

7

Intel Core Ultra 5 125H vs AMD Ryzen 5 PRO 8645HS

8

AMD Ryzen 5 7535HS vs AMD Ryzen 5 PRO 8645HS

9

AMD Ryzen 5 PRO 8645HS vs Intel Core i3 7020U

10

AMD Ryzen 5 PRO 8645HS vs Intel Core i9 13900H