AMD Ryzen 5 8640HS vs AMD Ryzen 7 Pro 7840HS

VS

AMD Ryzen 5 8640HS

AMD Ryzen 7 Pro 7840HS

We compared two laptop CPUs: AMD Ryzen 5 8640HS with 6 cores 3.5GHz and AMD Ryzen 7 Pro 7840HS with 8 cores 3.8GHz . 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

Released 6 months late

Lower TDP (28W vs 54W)

AMD Ryzen 7 Pro 7840HS 's Advantages

Better graphics card performance

Higher base frequency (3.8GHz vs 3.5GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 8640HS

1724

AMD Ryzen 7 Pro 7840HS +1%

1757

Cinebench R23 Multi Core

AMD Ryzen 5 8640HS

12969

AMD Ryzen 7 Pro 7840HS +22%

15930

Geekbench 6 Single Core

AMD Ryzen 5 8640HS

2267

AMD Ryzen 7 Pro 7840HS +7%

2438

Geekbench 6 Multi Core

AMD Ryzen 5 8640HS

10369

AMD Ryzen 7 Pro 7840HS +14%

11851

Cinebench 2024 Single Core

AMD Ryzen 5 8640HS

99

AMD Ryzen 7 Pro 7840HS +3%

102

AMD Ryzen 5 8640HS

VS

AMD Ryzen 7 Pro 7840HS

General Parameters

Dec 2023

Release Date

Jun 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Hawk Point

Core Architecture

Zen 4 (Phoenix)

FP8

Socket

FP8

Radeon 760M

Integrated Graphics

Radeon 780M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

28 W

Power Consumption

35-54 W

100°C

Peak Operating Temperature

100 °C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

6

Performance Cores

8

12

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

3.8 GHz

4.9 GHz

Performance Core Turbo Frequency

5.1 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

35x

Multiplier

38

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

8 MB

16 MB shared

L3 Cache

16 MB

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600, LPDDR5x-7500

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

800 MHz

2600 MHz

GPU Max Dynamic Frequency

2700 MHz

384

Shader Units

768

24

Texture Units

48

16

Raster Operation Units

32

6

Execution Units

12

15 W

Power Consumption

15

7680x4320 - 60 Hz

Max Resolution

7680x4320 - 60 Hz

4.06 TFLOPS

Graphics Performance

4.15 TFLOPS

AI Accelerator

-

NPU

AMD Ryzen™ AI

-

Theoretical performance

10 TOPS

Miscellaneous

AMD Ryzen 5 8640HS

Official Website

AMD Ryzen 7 Pro 7840HS

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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