AMD Ryzen 9 6900HX vs AMD Ryzen 5 8540U

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We compared two laptop CPUs: AMD Ryzen 9 6900HX with 8 cores 3.3GHz and AMD Ryzen 5 8540U with 6 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 6900HX 's Advantages

Better graphics card performance

Higher base frequency (3.3GHz vs 3.2GHz)

AMD Ryzen 5 8540U 's Advantages

Released 1 years and 11 months late

Higher specification of memory (LPDDR5x-7500 vs LPDDR5-6400)

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

Lower TDP (15W vs 45W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 6900HX

1605

AMD Ryzen 5 8540U +13%

1814

Cinebench R23 Multi Core

AMD Ryzen 9 6900HX +36%

14392

AMD Ryzen 5 8540U

10508

Geekbench 6 Single Core

AMD Ryzen 9 6900HX

2097

AMD Ryzen 5 8540U +13%

2390

Geekbench 6 Multi Core

AMD Ryzen 9 6900HX +23%

10086

AMD Ryzen 5 8540U

8172

AMD Ryzen 9 6900HX

VS

AMD Ryzen 5 8540U

General Parameters

Jan 2022

Release Date

Dec 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Rembrandt

Core Architecture

Hawk Point

FP7

Socket

FP7

Radeon 680M

Integrated Graphics

Radeon 740M

-

Generation

Ryzen 5 (Zen 4 (Hawk Point))

Package

-

Transistor Count

20.9 billions

6 nm

Manufacturing Process

4 nm

FP7

Socket

FP7

45 W

Power Consumption

15-30 W

95 °C

Peak Operating Temperature

100°C

-

Foundry

TSMC

-

Die Size

137 mm²

-

Package

FP7, FP7r2

CPU Performance

8

Performance Cores

6

16

Performance Core Threads

12

3.3 GHz

Performance Core Base Frequency

3.2 GHz

4.9 GHz

Performance Core Turbo Frequency

4.9 GHz

-

Efficiency Cores

4

-

Efficiency Core Threads

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

32x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

16 MB shared

Yes

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR5-4800, LPDDR5-6400

Memory Types

DDR5-5600, LPDDR5x-7500

64 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

76.8 GB/s

Max Memory Bandwidth

89.6 GB/s

-

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

2000 MHz

GPU Base Frequency

1500 MHz

2400 MHz

GPU Max Dynamic Frequency

2800 MHz

768

Shader Units

256

48

Texture Units

16

32

Raster Operation Units

8

12

Execution Units

4

15 W

Power Consumption

15 W

3.686 TFLOPS

Graphics Performance

2.56 TFLOPS

Miscellaneous

AMD Ryzen 9 6900HX

Official Website

AMD Ryzen 5 8540U

4.0

PCIe Version

4.0

16

PCIe Lanes

14

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