AMD Ryzen 3 5400U vs AMD Ryzen 7 7840H

VS

AMD Ryzen 3 5400U

AMD Ryzen 7 7840H

We compared two laptop CPUs: AMD Ryzen 3 5400U with 4 cores 2.6GHz and AMD Ryzen 7 7840H with 8 cores 3.8GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 3 5400U 's Advantages

Lower TDP (25W vs 35W)

AMD Ryzen 7 7840H 's Advantages

Released 2 years late

Higher specification of memory (5600 vs 4266)

Larger memory bandwidth (89.6GB/s vs 51.2GB/s)

Newer PCIe version (4 vs 3.0)

Higher base frequency (3.8GHz vs 2.6GHz)

Larger L3 cache size (16MB vs 8MB)

More modern manufacturing process (4nm vs 7nm)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 3 5400U

1639

AMD Ryzen 7 7840H +60%

2625

Geekbench 6 Multi Core

AMD Ryzen 3 5400U

4483

AMD Ryzen 7 7840H +163%

11813

Blender

AMD Ryzen 3 5400U

62

AMD Ryzen 7 7840H +261%

224

Geekbench 5 Single Core

AMD Ryzen 3 5400U

1227

AMD Ryzen 7 7840H +55%

1909

Geekbench 5 Multi Core

AMD Ryzen 3 5400U

4025

AMD Ryzen 7 7840H +185%

11494

Passmark CPU Single Core

AMD Ryzen 3 5400U

2637

AMD Ryzen 7 7840H +49%

3947

Passmark CPU Multi Core

AMD Ryzen 3 5400U

10604

AMD Ryzen 7 7840H +166%

28248

AMD Ryzen 3 5400U

VS

AMD Ryzen 7 7840H

General Parameters

Jan 2021

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Cezanne

Core Architecture

Phoenix

FP6

Socket

AMD Socket FP8

Radeon RX Vega 6

Integrated Graphics

Radeon 780M

-

Generation

Ryzen 7 (Zen 4 (Phoenix))

Package

-

Transistor Count

25 billions

7 nm

Manufacturing Process

4 nm

10-25 W

Power Consumption

35 W

105 °C

Peak Operating Temperature

100 °C

-

Foundry

TSMC

-

Die Size

178 mm²

CPU Performance

4

Performance Cores

-

8

Performance Core Threads

-

2.6 GHz

Performance Core Base Frequency

3.8 GHz

4 GHz

Performance Core Turbo Frequency

5.1 GHz

4

Total Core Count

8

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

26x

Multiplier

38.0

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

-

SMP

1

Memory Parameters

DDR4-3200, LPDDR4-4266

Memory Types

DDR5-5600

32 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

51.2 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1600 MHz

GPU Max Dynamic Frequency

2700 MHz

384

Shader Units

-

24

Texture Units

-

8

Raster Operation Units

-

Execution Units

12

15 W

Power Consumption

-

Graphics Performance

10 TFLOPS

Miscellaneous

AMD Ryzen 3 5400U

Official Website

AMD Ryzen 7 7840H

3.0

PCIe Version

4

12

PCIe Lanes

20

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