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)

More modern manufacturing process (4nm vs 7nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840HS +42%

1801

AMD Ryzen 9 4900H

1265

Cinebench R23 Multi Core

AMD Ryzen 7 7840HS +52%

17144

AMD Ryzen 9 4900H

11230

Geekbench 6 Single Core

AMD Ryzen 7 7840HS +47%

2477

AMD Ryzen 9 4900H

1678

Geekbench 6 Multi Core

AMD Ryzen 7 7840HS +99%

12153

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 +45%

3932

AMD Ryzen 9 4900H

2703

Passmark CPU Multi Core

AMD Ryzen 7 7840HS +48%

28406

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

-

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

1500 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

-

10 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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