AMD Ryzen 9 5900H vs AMD Ryzen 5 8540U

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We compared two laptop CPUs: AMD Ryzen 9 5900H 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 5900H 's Advantages

Higher base frequency (3.3GHz vs 3.2GHz)

AMD Ryzen 5 8540U 's Advantages

Released 2 years and 8 months late

Higher specification of memory (LPDDR5x-7500 vs LPDDR4-4266)

Larger memory bandwidth (89.6GB/s vs 68.27GB/s)

Newer PCIe version (4.0 vs 3.0)

Lower TDP (15W vs 45W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 5900H

1466

AMD Ryzen 5 8540U +23%

1814

Cinebench R23 Multi Core

AMD Ryzen 9 5900H +21%

12815

AMD Ryzen 5 8540U

10508

Geekbench 6 Single Core

AMD Ryzen 9 5900H

2034

AMD Ryzen 5 8540U +17%

2390

Geekbench 6 Multi Core

AMD Ryzen 9 5900H

7376

AMD Ryzen 5 8540U +10%

8172

AMD Ryzen 9 5900H

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AMD Ryzen 5 8540U

General Parameters

Apr 2021

Release Date

Dec 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Cezanne

Core Architecture

Hawk Point

FP6

Socket

FP7

Radeon RX Vega 8

Integrated Graphics

Radeon 740M

-

Generation

Ryzen 5 (Zen 4 (Hawk Point))

Package

-

Transistor Count

20.9 billions

7 nm

Manufacturing Process

4 nm

FP6

Socket

FP7

45 W

Power Consumption

15-30 W

105 °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

4.6 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

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-3200, LPDDR4-4266

Memory Types

DDR5-5600, LPDDR5x-7500

64 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

68.27 GB/s

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

1750 MHz

GPU Max Dynamic Frequency

2800 MHz

512

Shader Units

256

32

Texture Units

16

8

Raster Operation Units

8

-

Execution Units

4

15 W

Power Consumption

15 W

-

Graphics Performance

2.56 TFLOPS

Miscellaneous

-

Official Website

AMD Ryzen 5 8540U

3.0

PCIe Version

4.0

16

PCIe Lanes

14

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