AMD Ryzen 7 7840H vs AMD Ryzen 3 4300U

VS

We compared two laptop CPUs: AMD Ryzen 7 7840H with 8 cores 3.8GHz and AMD Ryzen 3 4300U with 4 cores 2.7GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 7 7840H 's Advantages

Released 3 years late

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

Newer PCIe version (4 vs 3.0)

Higher base frequency (3.8GHz vs 2.7GHz)

Larger L3 cache size (16MB vs 4MB)

More modern manufacturing process (4nm vs 7nm)

AMD Ryzen 3 4300U 's Advantages

Higher specification of memory (LPDDR4-4266 vs DDR5-5600)

Lower TDP (10W vs 35W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 7 7840H +93%

1800

AMD Ryzen 3 4300U

930

Cinebench R23 Multi Core

AMD Ryzen 7 7840H +413%

17887

AMD Ryzen 3 4300U

3481

Geekbench 6 Single Core

AMD Ryzen 7 7840H +95%

2625

AMD Ryzen 3 4300U

1345

Geekbench 6 Multi Core

AMD Ryzen 7 7840H +242%

11813

AMD Ryzen 3 4300U

3452

Blender

AMD Ryzen 7 7840H +222%

197

AMD Ryzen 3 4300U

61

Geekbench 5 Single Core

AMD Ryzen 7 7840H +91%

1909

AMD Ryzen 3 4300U

998

Geekbench 5 Multi Core

AMD Ryzen 7 7840H +297%

11494

AMD Ryzen 3 4300U

2892

Passmark CPU Single Core

AMD Ryzen 7 7840H +70%

3947

AMD Ryzen 3 4300U

2316

Passmark CPU Multi Core

AMD Ryzen 7 7840H +276%

28248

AMD Ryzen 3 4300U

7495

AMD Ryzen 7 7840H

VS

AMD Ryzen 3 4300U

General Parameters

Jan 2023

Release Date

Jan 2020

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Phoenix

Core Architecture

Zen 2

AMD Socket FP8

Socket

FP6

Radeon 780M

Integrated Graphics

Radeon Vega 5

Ryzen 7 (Zen 4 (Phoenix))

Generation

-

Package

25 billions

Transistor Count

-

4 nm

Manufacturing Process

7 nm

AMD Socket FP8

Socket

FP6

35 W

Power Consumption

10-25 W

100 °C

Peak Operating Temperature

105 °C

TSMC

Foundry

-

178 mm²

Die Size

-

FP8, FP7, FP7r2

Package

-

CPU Performance

-

Performance Cores

4

-

Performance Core Threads

4

3.8 GHz

Performance Core Base Frequency

2.7 GHz

5.1 GHz

Performance Core Turbo Frequency

3.7 GHz

8

Total Core Count

4

16

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

38.0

Multiplier

27x

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

4 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600

Memory Types

DDR4-3200, LPDDR4-4266

256 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

68.27 GB/s

Yes

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

2700 MHz

GPU Max Dynamic Frequency

1400 MHz

-

Shader Units

320

-

Texture Units

20

-

Raster Operation Units

7

12

Execution Units

-

Power Consumption

12 W

10 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 7 7840H

Official Website

AMD Ryzen 3 4300U

4

PCIe Version

3.0

20

PCIe Lanes

16

Related CPU Comparisons

1

AMD Ryzen 7 7840H vs AMD Ryzen 7 7840HS

2

AMD Ryzen 7 8845HS vs AMD Ryzen 7 7840H

3

AMD Ryzen 7 7840H vs AMD Ryzen 7 7735HS

4

AMD Ryzen 7 7840H vs Intel Core i5 13450HX

5

AMD Ryzen 7 7840H vs Intel Core i7 14650HX

6

AMD Ryzen 7 7840H vs Intel Core i7 12700H

7

Intel Core i5 13500HX vs AMD Ryzen 7 7840H

8

Intel Processor N100 vs AMD Ryzen 3 4300U

9

AMD Ryzen 7 7840H vs Intel Core i9 10980HK

10

AMD Ryzen 7 7840H vs Intel Core i5 13500HX