AMD Ryzen 7 7840U vs AMD Ryzen 5 PRO 8540U

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We compared two laptop CPUs: AMD Ryzen 7 7840U with 8 cores 3.3GHz and AMD Ryzen 5 PRO 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 7 7840U 's Advantages

Integrated graphics card

Higher specification of memory (LPDDR5x-7500 vs DDR5-5600)

Higher base frequency (3.3GHz vs 3.2GHz)

Lower TDP (15W vs 28W)

AMD Ryzen 5 PRO 8540U 's Advantages

Released 11 months late

Newer PCIe version (4 vs 4.0)

Score

AMD Ryzen 7 7840U

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AMD Ryzen 5 PRO 8540U

General Parameters

May 2023

Release Date

Apr 2024

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Zen 4 (Phoenix)

Core Architecture

Hawk Point

FP8

Socket

AMD Socket FP7

Radeon 780M

Integrated Graphics

Radeon 740M

-

Generation

Ryzen 5 (Zen 4 (Hawk Point))

Package

25 billions

Transistor Count

20.9 billions

4 nm

Manufacturing Process

4 nm

FP8

Socket

AMD Socket FP7

15-30 W

Power Consumption

28 W

100°C

Peak Operating Temperature

-

Foundry

TSMC

-

Die Size

137 mm²

-

Package

FP7, FP7r2

CPU Performance

8

Performance Cores

-

16

Performance Core Threads

-

3.3 GHz

Performance Core Base Frequency

3.2 GHz

5.1 GHz

Performance Core Turbo Frequency

4.9 GHz

-

Efficiency Core Base Frequency

3 GHz

-

Efficiency Core Turbo Frequency

3.5 GHz

8

Total Core Count

6

16

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

33x

Multiplier

32.0

64 K per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600

256 GB

Max Memory Size

-

2

Max Memory Channels

2

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

-

1500 MHz

GPU Base Frequency

-

2700 MHz

GPU Max Dynamic Frequency

-

768

Shader Units

-

48

Texture Units

-

32

Raster Operation Units

-

12

Execution Units

-

15 W

Power Consumption

-

7680x4320 - 60 Hz

Max Resolution

-

8.12 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 7 7840U

Official Website

AMD Ryzen 5 PRO 8540U

4.0

PCIe Version

4

20

PCIe Lanes

14

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