AMD Ryzen 9 5900HS vs AMD Ryzen 7 7840HS

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We compared two laptop CPUs: AMD Ryzen 9 5900HS with 8 cores 3.0GHz and AMD Ryzen 7 7840HS 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 9 5900HS 's Advantages

Lower TDP (35W vs 35W)

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 51.2GB/s)

Newer PCIe version (4.0 vs 3.0)

Higher base frequency (3.8GHz vs 3.0GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 5900HS

1467

AMD Ryzen 7 7840HS +22%

1803

Cinebench R23 Multi Core

AMD Ryzen 9 5900HS

12706

AMD Ryzen 7 7840HS +35%

17192

Geekbench 6 Single Core

AMD Ryzen 9 5900HS

1877

AMD Ryzen 7 7840HS +38%

2605

Geekbench 6 Multi Core

AMD Ryzen 9 5900HS

7243

AMD Ryzen 7 7840HS +67%

12167

Blender

AMD Ryzen 9 5900HS

162

AMD Ryzen 7 7840HS +63%

265

Geekbench 5 Single Core

AMD Ryzen 9 5900HS

1487

AMD Ryzen 7 7840HS +28%

1915

Geekbench 5 Multi Core

AMD Ryzen 9 5900HS

7431

AMD Ryzen 7 7840HS +51%

11238

Passmark CPU Single Core

AMD Ryzen 9 5900HS

3173

AMD Ryzen 7 7840HS +19%

3790

Passmark CPU Multi Core

AMD Ryzen 9 5900HS

22036

AMD Ryzen 7 7840HS +31%

28995

AMD Ryzen 9 5900HS

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AMD Ryzen 7 7840HS

General Parameters

Jan 2021

Release Date

Jan 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Cezanne

Core Architecture

Zen 4 (Phoenix)

FP6

Socket

FP8

Radeon RX Vega 8

Integrated Graphics

Radeon 780M

Package

-

Transistor Count

25 billions

7 nm

Manufacturing Process

4 nm

FP6

Socket

FP8

35 W

Power Consumption

35-54 W

105 °C

Peak Operating Temperature

100°C

CPU Performance

8

Performance Cores

8

16

Performance Core Threads

16

3.0 GHz

Performance Core Base Frequency

3.8 GHz

4.6 GHz

Performance Core Turbo Frequency

5.1 GHz

8

Total Core Count

8

16

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

38x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

16 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR4-3200, LPDDR4-4266

Memory Types

DDR5-5600, LPDDR5x-7500

64 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

-

GPU Base Frequency

800 MHz

2100 MHz

GPU Max Dynamic Frequency

2700 MHz

512

Shader Units

768

32

Texture Units

48

8

Raster Operation Units

32

-

Execution Units

12

15 W

Power Consumption

15 W

-

Max Resolution

7680x4320 - 60 Hz

-

Graphics Performance

8.12 TFLOPS

Miscellaneous

AMD Ryzen 9 5900HS

Official Website

AMD Ryzen 7 7840HS

3.0

PCIe Version

4.0

12

PCIe Lanes

20

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