AMD Ryzen 5 7540U vs AMD Ryzen 7 7840U

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We compared two laptop CPUs: AMD Ryzen 5 7540U with 6 cores 3.2GHz and AMD Ryzen 7 7840U 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 7 7840U's Advantages

Better graphics card performance

Higher base frequency (3.3GHz vs 3.2GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 7540U +1%

1776

AMD Ryzen 7 7840U

1742

Cinebench R23 Multi Core

AMD Ryzen 5 7540U

9822

AMD Ryzen 7 7840U +30%

12833

Geekbench 6 Single Core

AMD Ryzen 5 7540U

2377

AMD Ryzen 7 7840U +1%

2401

Geekbench 6 Multi Core

AMD Ryzen 5 7540U

7490

AMD Ryzen 7 7840U +46%

10983

Blender

AMD Ryzen 5 7540U

142

AMD Ryzen 7 7840U +64%

234

AMD Ryzen 5 7540U

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AMD Ryzen 7 7840U

General Parameters

May 2023

Release Date

May 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Zen 4 (Phoenix)

FP7

Socket

FP8

Radeon 740M

Integrated Graphics

Radeon 780M

Package

-

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

FP7

Socket

FP8

15-30 W

Power Consumption

15-30 W

100°C

Peak Operating Temperature

100°C

CPU Performance

6

Performance Cores

8

12

Performance Core Threads

16

3.2 GHz

Performance Core Base Frequency

3.3 GHz

4.9 GHz

Performance Core Turbo Frequency

5.1 GHz

6

Total Core Count

8

12

Total Thread Count

16

100MHz

Bus Frequency

100MHz

32x

Multiplier

33x

64K per core

L1 Cache

64K per core

1MB per core

L2 Cache

1MB per core

16MB shared

L3 Cache

16MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600, LPDDR5x-7500

256GB

Max Memory Size

256GB

2

Max Memory Channels

2

No

ECC Memory Support

Yes

Graphics Card Parameters

True

Integrated Graphics

True

1500 MHz

GPU Base Frequency

1500 MHz

2500 MHz

GPU Max Dynamic Frequency

2700 MHz

256

Shader Units

768

16

Texture Units

48

8

Raster Operation Units

32

4

Execution Units

12

15 W

Power Consumption

15 W

-

Max Resolution

7680x4320 - 60 Hz

2.56 TFLOPS

Graphics Performance

8.12 TFLOPS

Miscellaneous

AMD Ryzen 5 7540U

Official Website

AMD Ryzen 7 7840U

4.0

PCIe Version

4.0

14

PCIe Lanes

20

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