AMD Ryzen 7 7840H vs AMD Ryzen 7 4800H

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We compared two laptop CPUs: AMD Ryzen 7 7840H with 8 cores 3.8GHz and AMD Ryzen 7 4800H with 8 cores 2.9GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7840H's Advantages

Released 3 years late

Better graphics card performance

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

Newer PCIe version (4 vs 3.0)

Higher base frequency (3.8GHz vs 2.9GHz)

Larger L3 cache size (16MB vs 8MB)

More modern manufacturing process (4nm vs 7nm)

Lower TDP (35W vs 35W)

AMD Ryzen 7 4800H's Advantages

Higher specification of memory (LPDDR4X-4266 vs DDR5-5600)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840H +45%

1800

AMD Ryzen 7 4800H

1241

Cinebench R23 Multi Core

AMD Ryzen 7 7840H +61%

17887

AMD Ryzen 7 4800H

11102

Geekbench 6 Single Core

AMD Ryzen 7 7840H +84%

2625

AMD Ryzen 7 4800H

1422

Geekbench 6 Multi Core

AMD Ryzen 7 7840H +128%

11813

AMD Ryzen 7 4800H

5175

Blender

AMD Ryzen 7 7840H +7%

197

AMD Ryzen 7 4800H

184

Geekbench 5 Single Core

AMD Ryzen 7 7840H +59%

1909

AMD Ryzen 7 4800H

1195

Geekbench 5 Multi Core

AMD Ryzen 7 7840H +61%

11494

AMD Ryzen 7 4800H

7127

Passmark CPU Single Core

AMD Ryzen 7 7840H +51%

3947

AMD Ryzen 7 4800H

2609

Passmark CPU Multi Core

AMD Ryzen 7 7840H +50%

28248

AMD Ryzen 7 4800H

18761

AMD Ryzen 7 7840H

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AMD Ryzen 7 4800H

General Parameters

Jan 2023

Release Date

Jan 2020

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Phoenix

Core Architecture

Zen 2

AMD Socket FP8

Socket

FP6

Radeon 780M

Integrated Graphics

Radeon Vega 7

Ryzen 7 (Zen 4 (Phoenix))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

7 nm

AMD Socket FP8

Socket

FP6

35 W

Power Consumption

35-54 W

100 °C

Peak Operating Temperature

105 °C

TSMC

Foundry

-

178 mm²

Die Size

-

FP8, FP7, FP7r2

Package

-

CPU Performance

-

Performance Cores

8

-

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

2.9 GHz

5.1 GHz

Performance Core Turbo Frequency

4.2 GHz

8

Total Core Count

8

16

Total Thread Count

16

100MHz

Bus Frequency

100MHz

38.0

Multiplier

29x

64K per core

L1 Cache

32K per core

1MB per core

L2 Cache

512K per core

16MB shared

L3 Cache

8MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600

Memory Types

DDR4-3200, LPDDR4X-4266

256GB

Max Memory Size

64GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

68.27 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

True

Integrated Graphics

True

-

GPU Base Frequency

300 MHz

2700 MHz

GPU Max Dynamic Frequency

1600 MHz

-

Shader Units

448

-

Texture Units

28

-

Raster Operation Units

7

12

Execution Units

-

Power Consumption

10-45 W

10 TFLOPS

Graphics Performance

1.108 TFLOPS

Miscellaneous

AMD Ryzen 7 7840H

Official Website

AMD Ryzen 7 4800H

4

PCIe Version

3.0

20

PCIe Lanes

16

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