AMD Ryzen 7 7840HS vs AMD Ryzen 5 4500U

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We compared two laptop CPUs: AMD Ryzen 7 7840HS with 8 cores 3.8GHz and AMD Ryzen 5 4500U with 6 cores 2.3GHz . 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 3 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 2.3GHz)

Larger L3 cache size (16MB vs 8MB)

More modern manufacturing process (4nm vs 7nm)

AMD Ryzen 5 4500U 's Advantages

Lower TDP (10W vs 35W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840HS +56%

1801

AMD Ryzen 5 4500U

1148

Cinebench R23 Multi Core

AMD Ryzen 7 7840HS +190%

17144

AMD Ryzen 5 4500U

5904

Geekbench 6 Single Core

AMD Ryzen 7 7840HS +161%

2477

AMD Ryzen 5 4500U

947

Geekbench 6 Multi Core

AMD Ryzen 7 7840HS +255%

12153

AMD Ryzen 5 4500U

3421

Blender

AMD Ryzen 7 7840HS +227%

265

AMD Ryzen 5 4500U

81

Geekbench 5 Single Core

AMD Ryzen 7 7840HS +73%

1915

AMD Ryzen 5 4500U

1104

Geekbench 5 Multi Core

AMD Ryzen 7 7840HS +150%

11238

AMD Ryzen 5 4500U

4483

Passmark CPU Single Core

AMD Ryzen 7 7840HS +60%

3932

AMD Ryzen 5 4500U

2447

Passmark CPU Multi Core

AMD Ryzen 7 7840HS +157%

28406

AMD Ryzen 5 4500U

11016

AMD Ryzen 7 7840HS

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AMD Ryzen 5 4500U

General Parameters

Jan 2023

Release Date

Jan 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 RX Vega 6

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

7 nm

FP8

Socket

FP6

35-54 W

Power Consumption

10-25 W

100°C

Peak Operating Temperature

105 °C

CPU Performance

8

Performance Cores

6

16

Performance Core Threads

6

3.8 GHz

Performance Core Base Frequency

2.3 GHz

5.1 GHz

Performance Core Turbo Frequency

4 GHz

8

Total Core Count

6

16

Total Thread Count

6

100 MHz

Bus Frequency

100 MHz

38x

Multiplier

23x

64 K per core

L1 Cache

32 K per core

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, 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

1500 MHz

768

Shader Units

384

48

Texture Units

24

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 5 4500U

4.0

PCIe Version

3.0

20

PCIe Lanes

16

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