AMD Ryzen 5 PRO 8640U vs AMD Ryzen 9 6900HX

VS

AMD Ryzen 5 PRO 8640U

AMD Ryzen 9 6900HX

We compared two laptop CPUs: AMD Ryzen 5 PRO 8640U with 6 cores 3.5GHz and AMD Ryzen 9 6900HX with 8 cores 3.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 PRO 8640U 's Advantages

Released 2 years and 3 months late

Higher base frequency (3.5GHz vs 3.3GHz)

More modern manufacturing process (4nm vs 6nm)

Lower TDP (28W vs 45W)

AMD Ryzen 9 6900HX 's Advantages

Integrated graphics card

Higher specification of memory (6400 vs 5600)

Newer PCIe version (4.0 vs 4)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 PRO 8640U

1552

AMD Ryzen 9 6900HX +3%

1610

Cinebench R23 Multi Core

AMD Ryzen 5 PRO 8640U

10675

AMD Ryzen 9 6900HX +32%

14096

Geekbench 6 Single Core

AMD Ryzen 5 PRO 8640U +20%

2519

AMD Ryzen 9 6900HX

2097

Geekbench 6 Multi Core

AMD Ryzen 5 PRO 8640U +2%

10308

AMD Ryzen 9 6900HX

10086

AMD Ryzen 5 PRO 8640U

VS

AMD Ryzen 9 6900HX

General Parameters

Apr 2024

Release Date

Jan 2022

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Rembrandt

AMD Socket FP7

Socket

FP7

Radeon 760M

Integrated Graphics

Radeon 680M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

6 nm

28 W

Power Consumption

45 W

-

Peak Operating Temperature

95 °C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

-

Performance Cores

8

-

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

3.3 GHz

4.9 GHz

Performance Core Turbo Frequency

4.9 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

35.0

Multiplier

33x

64 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5600

Memory Types

DDR5-4800, LPDDR5-6400

-

Max Memory Size

64 GB

2

Max Memory Channels

2

-

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

-

Graphics Card Parameters

-

Integrated Graphics

true

-

GPU Base Frequency

2000 MHz

-

GPU Max Dynamic Frequency

2400 MHz

-

Shader Units

768

-

Texture Units

48

-

Raster Operation Units

32

-

Execution Units

12

-

Power Consumption

15 W

-

Graphics Performance

3.686 TFLOPS

Miscellaneous

-

Official Website

AMD Ryzen 9 6900HX

4

PCIe Version

4.0

20

PCIe Lanes

16

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