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

VS

AMD Ryzen 7 7840H

AMD Ryzen 5 PRO 8640HS

We compared two laptop CPUs: AMD Ryzen 7 7840H with 8 cores 3.8GHz and AMD Ryzen 5 PRO 8640HS 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 7 7840H 's Advantages

Higher base frequency (3.8GHz vs 3.5GHz)

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)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 7 7840H +7%

2625

AMD Ryzen 5 PRO 8640HS

2432

Geekbench 6 Multi Core

AMD Ryzen 7 7840H +21%

11813

AMD Ryzen 5 PRO 8640HS

9739

AMD Ryzen 7 7840H

VS

AMD Ryzen 5 PRO 8640HS

General Parameters

Jan 2023

Release Date

Apr 2024

AMD

Manufacturer

AMD

Laptop

Type

Laptop

Phoenix

Core Architecture

Hawk Point

AMD Socket FP8

Socket

AMD Socket FP7

Radeon 780M

Integrated Graphics

Radeon 760M

Ryzen 7 (Zen 4 (Phoenix))

Generation

Ryzen 5 (Zen 4 (Hawk Point))

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

35 W

Power Consumption

20-30 W

100 °C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

178 mm²

Die Size

178 mm²

CPU Performance

-

Performance Cores

6

-

Performance Core Threads

12

3.8 GHz

Performance Core Base Frequency

3.5 GHz

5.1 GHz

Performance Core Turbo Frequency

4.9 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

38.0

Multiplier

35.0

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

6 MB

16 MB shared

L3 Cache

16 MB

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5600

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

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

MHz

2700 MHz

GPU Max Dynamic Frequency

2600 MHz

12

Execution Units

8

10 TFLOPS

Graphics Performance

-

AI Accelerator

-

NPU

AMD Ryzen™ AI

-

Theoretical performance

16 TOPS

Miscellaneous

AMD Ryzen 7 7840H

Official Website

AMD Ryzen 5 PRO 8640HS

4

PCIe Version

4

20

PCIe Lanes

20

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