AMD Ryzen 7 7840H vs AMD Ryzen 9 7940HS

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We compared two laptop CPUs: AMD Ryzen 7 7840H with 8 cores 3.8GHz and AMD Ryzen 9 7940HS with 8 cores 4.0GHz . 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

Better graphics card performance

Lower TDP (35W vs 35W)

AMD Ryzen 9 7940HS 's Advantages

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

Newer PCIe version (4.0 vs 4)

Higher base frequency (4.0GHz vs 3.8GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840H

1800

AMD Ryzen 9 7940HS +1%

1832

Cinebench R23 Multi Core

AMD Ryzen 7 7840H +1%

17887

AMD Ryzen 9 7940HS

17585

Geekbench 6 Single Core

AMD Ryzen 7 7840H +3%

2625

AMD Ryzen 9 7940HS

2534

Geekbench 6 Multi Core

AMD Ryzen 7 7840H

11813

AMD Ryzen 9 7940HS +8%

12852

Blender

AMD Ryzen 7 7840H

197

AMD Ryzen 9 7940HS +43%

282

Geekbench 5 Single Core

AMD Ryzen 7 7840H

1909

AMD Ryzen 9 7940HS +5%

2010

Geekbench 5 Multi Core

AMD Ryzen 7 7840H

11494

AMD Ryzen 9 7940HS +7%

12376

Passmark CPU Single Core

AMD Ryzen 7 7840H

3947

AMD Ryzen 9 7940HS

3910

Passmark CPU Multi Core

AMD Ryzen 7 7840H

28248

AMD Ryzen 9 7940HS +8%

30545

AMD Ryzen 7 7840H

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AMD Ryzen 9 7940HS

General Parameters

Jan 2023

Release Date

Jan 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

-

Instruction Set

x86-64

Phoenix

Core Architecture

Zen 4 (Phoenix)

AMD Socket FP8

Socket

FP8

Radeon 780M

Integrated Graphics

Radeon 780M

Ryzen 7 (Zen 4 (Phoenix))

Generation

-

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

AMD Socket FP8

Socket

FP8

35 W

Power Consumption

35-54 W

100 °C

Peak Operating Temperature

100°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

4.0 GHz

5.1 GHz

Performance Core Turbo Frequency

5.2 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

38.0

Multiplier

40x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600

Memory Types

DDR5-5600, LPDDR5x-7500

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

800 MHz

2700 MHz

GPU Max Dynamic Frequency

2800 MHz

-

Shader Units

768

-

Texture Units

48

-

Raster Operation Units

32

12

Execution Units

12

-

Power Consumption

15 W

-

Max Resolution

7680x4320 - 60 Hz

10 TFLOPS

Graphics Performance

8.12 TFLOPS

Miscellaneous

AMD Ryzen 7 7840H

Official Website

AMD Ryzen 9 7940HS

4

PCIe Version

4.0

20

PCIe Lanes

20

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