AMD Ryzen 5 PRO 8640HS vs AMD Ryzen 7 7840H

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AMD Ryzen 5 PRO 8640HS

AMD Ryzen 7 7840H

We compared two laptop CPUs: AMD Ryzen 5 PRO 8640HS with 6 cores 3.5GHz and AMD Ryzen 7 7840H 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 PRO 8640HS 's Advantages

Released 1 years and 3 months late

Higher specification of memory (7500 vs 5600)

Lower TDP (30W vs 35W)

AMD Ryzen 7 7840H 's Advantages

Higher base frequency (3.8GHz vs 3.5GHz)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 5 PRO 8640HS

2432

AMD Ryzen 7 7840H +7%

2625

Geekbench 6 Multi Core

AMD Ryzen 5 PRO 8640HS

9739

AMD Ryzen 7 7840H +21%

11813

AMD Ryzen 5 PRO 8640HS

VS

AMD Ryzen 7 7840H

General Parameters

Apr 2024

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

Hawk Point

Core Architecture

Phoenix

AMD Socket FP7

Socket

AMD Socket FP8

Radeon 760M

Integrated Graphics

Radeon 780M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

Ryzen 7 (Zen 4 (Phoenix))

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

20-30 W

Power Consumption

35 W

-

Peak Operating Temperature

100 °C

TSMC

Foundry

TSMC

178 mm²

Die Size

178 mm²

CPU Performance

6

Performance Cores

-

12

Performance Core Threads

-

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

35.0

Multiplier

38.0

64 KB per core

L1 Cache

64 K per core

6 MB

L2 Cache

1 MB per core

16 MB

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

256 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

MHz

GPU Base Frequency

-

2600 MHz

GPU Max Dynamic Frequency

2700 MHz

8

Execution Units

12

-

Graphics Performance

10 TFLOPS

AI Accelerator

AMD Ryzen™ AI

NPU

-

16 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen 5 PRO 8640HS

Official Website

AMD Ryzen 7 7840H

4

PCIe Version

4

20

PCIe Lanes

20

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