AMD Ryzen 7 7840HS vs AMD Ryzen 9 5900HX

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We compared two laptop CPUs: AMD Ryzen 7 7840HS with 8 cores 3.8GHz and AMD Ryzen 9 5900HX 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 7840HS 's Advantages

Released 2 years late

Higher specification of memory (LPDDR5x-7500 vs LPDDR4-4266)

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

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.8GHz vs 3.3GHz)

More modern manufacturing process (4nm vs 7nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840HS +20%

1789

AMD Ryzen 9 5900HX

1485

Cinebench R23 Multi Core

AMD Ryzen 7 7840HS +32%

16992

AMD Ryzen 9 5900HX

12783

Geekbench 6 Single Core

AMD Ryzen 7 7840HS +24%

2477

AMD Ryzen 9 5900HX

1993

Geekbench 6 Multi Core

AMD Ryzen 7 7840HS +30%

12153

AMD Ryzen 9 5900HX

9310

Blender

AMD Ryzen 7 7840HS +22%

265

AMD Ryzen 9 5900HX

216

Geekbench 5 Single Core

AMD Ryzen 7 7840HS +26%

1915

AMD Ryzen 9 5900HX

1511

Geekbench 5 Multi Core

AMD Ryzen 7 7840HS +35%

11238

AMD Ryzen 9 5900HX

8303

Passmark CPU Single Core

AMD Ryzen 7 7840HS +23%

3932

AMD Ryzen 9 5900HX

3183

Passmark CPU Multi Core

AMD Ryzen 7 7840HS +24%

28406

AMD Ryzen 9 5900HX

22772

AMD Ryzen 7 7840HS

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AMD Ryzen 9 5900HX

General Parameters

Jan 2023

Release Date

Jan 2021

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Cezanne

FP8

Socket

FP6

Radeon 780M

Integrated Graphics

Radeon RX Vega 8

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

7 nm

FP8

Socket

FP6

35-54 W

Power Consumption

35-54 W

100°C

Peak Operating Temperature

105 °C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.8 GHz

Performance Core Base Frequency

3.3 GHz

5.1 GHz

Performance Core Turbo Frequency

4.6 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

33x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

Yes

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR4-3200, LPDDR4-4266

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

68.27 GB/s

-

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 MHz

GPU Base Frequency

-

2700 MHz

GPU Max Dynamic Frequency

2100 MHz

768

Shader Units

512

48

Texture Units

32

Raster Operation Units

8

12

Execution Units

-

15 W

Power Consumption

15 W

7680x4320 - 60 Hz

Max Resolution

-

10 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 7 7840HS

Official Website

AMD Ryzen 9 5900HX

4.0

PCIe Version

3.0

20

PCIe Lanes

16

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