AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 9 6900HS

VS

AMD Ryzen 5 PRO 8645HS

AMD Ryzen 9 6900HS

We compared two laptop CPUs: AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz and AMD Ryzen 9 6900HS 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 8645HS 's Advantages

Released 2 years and 3 months late

Higher specification of memory (7500 vs 6400)

Larger memory bandwidth (89.6GB/s vs 76.8GB/s)

Higher base frequency (4.3GHz vs 3.3GHz)

More modern manufacturing process (4nm vs 6nm)

AMD Ryzen 9 6900HS 's Advantages

Newer PCIe version (4.0 vs 4)

Lower TDP (35W vs 54W)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 5 PRO 8645HS +24%

2478

AMD Ryzen 9 6900HS

1985

Geekbench 6 Multi Core

AMD Ryzen 5 PRO 8645HS +11%

10306

AMD Ryzen 9 6900HS

9206

AMD Ryzen 5 PRO 8645HS

VS

AMD Ryzen 9 6900HS

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

35-54 W

Power Consumption

35 W

-

Peak Operating Temperature

95 °C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

6

Performance Cores

8

12

Performance Core Threads

16

4.3 GHz

Performance Core Base Frequency

3.3 GHz

5 GHz

Performance Core Turbo Frequency

4.9 GHz

6

Total Core Count

8

12

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

43.0

Multiplier

33x

64 KB per core

L1 Cache

64 K per core

6 MB

L2 Cache

512 K per core

16 MB

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600,LPDDR5x-7500

Memory Types

DDR5-5200, LPDDR5-6400

256 GB

Max Memory Size

-

2

Max Memory Channels

4

89.6 GB/s

Max Memory Bandwidth

76.8 GB/s

Yes

ECC Memory Support

-

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

2000 MHz

2600 MHz

GPU Max Dynamic Frequency

2400 MHz

-

Shader Units

768

-

Texture Units

48

-

Raster Operation Units

32

8

Execution Units

12

-

Power Consumption

15 W

-

Graphics Performance

3.686 TFLOPS

AI Accelerator

AMD Ryzen™ AI

NPU

-

16 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen 5 PRO 8645HS

Official Website

AMD Ryzen 9 6900HS

4

PCIe Version

4.0

20

PCIe Lanes

20

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