AMD Ryzen 7 7840HS vs AMD Ryzen 9 7940HS

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We compared two laptop CPUs: AMD Ryzen 7 7840HS 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 7840HS's Advantages

Better graphics card performance

AMD Ryzen 9 7940HS's Advantages

Higher base frequency (4.0GHz vs 3.8GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840HS

1789

AMD Ryzen 9 7940HS +2%

1834

Cinebench R23 Multi Core

AMD Ryzen 7 7840HS

16992

AMD Ryzen 9 7940HS +3%

17645

Geekbench 6 Single Core

AMD Ryzen 7 7840HS

2477

AMD Ryzen 9 7940HS +2%

2534

Geekbench 6 Multi Core

AMD Ryzen 7 7840HS

12153

AMD Ryzen 9 7940HS +5%

12852

Blender

AMD Ryzen 7 7840HS

265

AMD Ryzen 9 7940HS +6%

282

Geekbench 5 Single Core

AMD Ryzen 7 7840HS

1915

AMD Ryzen 9 7940HS +4%

2010

Geekbench 5 Multi Core

AMD Ryzen 7 7840HS

11238

AMD Ryzen 9 7940HS +10%

12376

Passmark CPU Single Core

AMD Ryzen 7 7840HS

3932

AMD Ryzen 9 7940HS

3910

Passmark CPU Multi Core

AMD Ryzen 7 7840HS

28406

AMD Ryzen 9 7940HS +7%

30545

AMD Ryzen 7 7840HS

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AMD Ryzen 9 7940HS

General Parameters

Jan 2023

Release Date

Jan 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Zen 4 (Phoenix)

FP8

Socket

FP8

Radeon 780M

Integrated Graphics

Radeon 780M

Package

25 billions

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

FP8

Socket

FP8

35-54 W

Power Consumption

35-54 W

100°C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

8

16

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

100MHz

Bus Frequency

100MHz

38x

Multiplier

40x

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

89.6 GB/s

Max Memory Bandwidth

89.6 GB/s

-

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

1500 MHz

GPU Base Frequency

800 MHz

2700 MHz

GPU Max Dynamic Frequency

2800 MHz

768

Shader Units

768

48

Texture Units

48

32

Raster Operation Units

32

12

Execution Units

12

15 W

Power Consumption

15 W

7680x4320 - 60 Hz

Max Resolution

7680x4320 - 60 Hz

10 TFLOPS

Graphics Performance

8.12 TFLOPS

Miscellaneous

AMD Ryzen 7 7840HS

Official Website

AMD Ryzen 9 7940HS

4.0

PCIe Version

4.0

20

PCIe Lanes

20

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