AMD Ryzen 9 7940HX vs AMD Ryzen 3 4300U

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We compared two laptop CPUs: AMD Ryzen 9 7940HX with 16 cores 2.4GHz 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 9 7940HX 's Advantages

Released 4 years late

Larger memory bandwidth (83.2GB/s vs 68.27GB/s)

Newer PCIe version (5.0 vs 3.0)

Larger L3 cache size (64MB vs 4MB)

More modern manufacturing process (5nm vs 7nm)

AMD Ryzen 3 4300U 's Advantages

Higher specification of memory (LPDDR4-4266 vs DDR5-5200)

Higher base frequency (2.7GHz vs 2.4GHz)

Lower TDP (10W vs 55W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7940HX +102%

1882

AMD Ryzen 3 4300U

930

Cinebench R23 Multi Core

AMD Ryzen 9 7940HX +856%

33284

AMD Ryzen 3 4300U

3481

Geekbench 6 Single Core

AMD Ryzen 9 7940HX +99%

2688

AMD Ryzen 3 4300U

1345

Geekbench 6 Multi Core

AMD Ryzen 9 7940HX +353%

15655

AMD Ryzen 3 4300U

3452

AMD Ryzen 9 7940HX

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AMD Ryzen 3 4300U

General Parameters

Jan 2024

Release Date

Jan 2020

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Dragon Range)

Core Architecture

Zen 2

AMD Socket FL1

Socket

FP6

Radeon 610M

Integrated Graphics

Radeon Vega 5

Package

13.14 billions

Transistor Count

-

5 nm

Manufacturing Process

7 nm

AMD Socket FL1

Socket

FP6

55 W

Power Consumption

10-25 W

100°C

Peak Operating Temperature

105 °C

CPU Performance

16

Performance Cores

4

32

Performance Core Threads

4

2.4 GHz

Performance Core Base Frequency

2.7 GHz

5.2 GHz

Performance Core Turbo Frequency

3.7 GHz

16

Total Core Count

4

32

Total Thread Count

4

100 MHz

Bus Frequency

100 MHz

24

Multiplier

27x

64 K per core

L1 Cache

32 K per core

1 MB per core

L2 Cache

512 K per core

64 MB

L3 Cache

4 MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-5200

Memory Types

DDR4-3200, LPDDR4-4266

64 GB

Max Memory Size

32 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

68.27 GB/s

-

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

400 MHz

GPU Base Frequency

-

2200 MHz

GPU Max Dynamic Frequency

1400 MHz

128

Shader Units

320

8

Texture Units

20

4

Raster Operation Units

7

2

Execution Units

-

15 W

Power Consumption

12 W

0.563 TFLOPS

Graphics Performance

-

Miscellaneous

Official Website

AMD Ryzen 3 4300U

5.0

PCIe Version

3.0

28

PCIe Lanes

16

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