AMD Ryzen 7 7840HS vs AMD Ryzen 9 4900H

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We compared two laptop CPUs: AMD Ryzen 7 7840HS with 8 cores 3.8GHz and AMD Ryzen 9 4900H 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 and 10 months late

Higher specification of memory (LPDDR5x-7500 vs LPDDR4X-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)

Larger L3 cache size (16MB vs 8MB)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840HS +42%

1803

AMD Ryzen 9 4900H

1265

Cinebench R23 Multi Core

AMD Ryzen 7 7840HS +53%

17192

AMD Ryzen 9 4900H

11230

Geekbench 6 Single Core

AMD Ryzen 7 7840HS +55%

2605

AMD Ryzen 9 4900H

1678

Geekbench 6 Multi Core

AMD Ryzen 7 7840HS +99%

12167

AMD Ryzen 9 4900H

6103

Geekbench 5 Single Core

AMD Ryzen 7 7840HS +58%

1915

AMD Ryzen 9 4900H

1210

Geekbench 5 Multi Core

AMD Ryzen 7 7840HS +49%

11238

AMD Ryzen 9 4900H

7541

Passmark CPU Single Core

AMD Ryzen 7 7840HS +40%

3790

AMD Ryzen 9 4900H

2703

Passmark CPU Multi Core

AMD Ryzen 7 7840HS +51%

28995

AMD Ryzen 9 4900H

19102

AMD Ryzen 7 7840HS

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AMD Ryzen 9 4900H

General Parameters

Jan 2023

Release Date

Mar 2020

Amd

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Phoenix)

Core Architecture

Zen 2

FP8

Socket

FP6

Radeon 780M

Integrated Graphics

Radeon 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

4.4 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

-

1 MB per core

L2 Cache

512 K per core

16 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR4-3200, LPDDR4X-4266

256 GB

Max Memory Size

64 GB

2

Max Memory Channels

4

89.6 GB/s

Max Memory Bandwidth

68.27 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

800 MHz

GPU Base Frequency

-

2700 MHz

GPU Max Dynamic Frequency

1750 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

-

8.12 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 7 7840HS

Official Website

AMD Ryzen 9 4900H

4.0

PCIe Version

3.0

20

PCIe Lanes

16

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