AMD Ryzen 5 PRO 8640U vs AMD Ryzen 7 6800U

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We compared two laptop CPUs: AMD Ryzen 5 PRO 8640U with 6 cores 3.5GHz and AMD Ryzen 7 6800U with 8 cores 2.7GHz . 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 2.7GHz)

More modern manufacturing process (4nm vs 6nm)

AMD Ryzen 7 6800U's Advantages

Integrated graphics card

Higher specification of memory (LPDDR5-6400 vs DDR5-5600)

Newer PCIe version (4.0 vs 4)

Lower TDP (15W vs 28W)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 5 PRO 8640U +122%

2519

AMD Ryzen 7 6800U

1134

Geekbench 6 Multi Core

AMD Ryzen 5 PRO 8640U +78%

10308

AMD Ryzen 7 6800U

5774

AMD Ryzen 5 PRO 8640U

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AMD Ryzen 7 6800U

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

AMD Socket FP7

Socket

FP7

28 W

Power Consumption

15-28 W

-

Peak Operating Temperature

95 °C

TSMC

Foundry

-

178 mm²

Die Size

-

FP7, FP7r2

Package

-

CPU Performance

-

Performance Cores

8

-

Performance Core Threads

16

3.5 GHz

Performance Core Base Frequency

2.7 GHz

4.9 GHz

Performance Core Turbo Frequency

4.7 GHz

6

Total Core Count

8

12

Total Thread Count

16

100MHz

Bus Frequency

100MHz

35.0

Multiplier

27x

64 KB per core

L1 Cache

64K per core

1 MB per core

L2 Cache

512K per core

16 MB shared

L3 Cache

16MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600

Memory Types

DDR5-4800, LPDDR5-6400

2

Max Memory Channels

4

-

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

2200 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 7 6800U

4

PCIe Version

4.0

20

PCIe Lanes

20

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