AMD Ryzen 3 4300U vs AMD Ryzen 9 7940HX

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We compared two laptop CPUs: AMD Ryzen 3 4300U with 4 cores 2.7GHz and AMD Ryzen 9 7940HX with 16 cores 2.4GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

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)

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)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 3 4300U

930

AMD Ryzen 9 7940HX +102%

1882

Cinebench R23 Multi Core

AMD Ryzen 3 4300U

3481

AMD Ryzen 9 7940HX +856%

33284

Geekbench 6 Single Core

AMD Ryzen 3 4300U

1345

AMD Ryzen 9 7940HX +99%

2688

Geekbench 6 Multi Core

AMD Ryzen 3 4300U

3452

AMD Ryzen 9 7940HX +353%

15655

AMD Ryzen 3 4300U

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AMD Ryzen 9 7940HX

General Parameters

Jan 2020

Release Date

Jan 2024

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 2

Core Architecture

Zen 4 (Dragon Range)

FP6

Socket

AMD Socket FL1

Radeon Vega 5

Integrated Graphics

Radeon 610M

Package

-

Transistor Count

13.14 billions

7 nm

Manufacturing Process

5 nm

FP6

Socket

AMD Socket FL1

10-25 W

Power Consumption

55 W

105 °C

Peak Operating Temperature

100°C

CPU Performance

4

Performance Cores

16

4

Performance Core Threads

32

2.7 GHz

Performance Core Base Frequency

2.4 GHz

3.7 GHz

Performance Core Turbo Frequency

5.2 GHz

4

Total Core Count

16

4

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

27x

Multiplier

24

32 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

4 MB shared

L3 Cache

64 MB

No

Unlocked Multiplier

Yes

Memory Parameters

DDR4-3200, LPDDR4-4266

Memory Types

DDR5-5200

32 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

68.27 GB/s

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

-

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

400 MHz

1400 MHz

GPU Max Dynamic Frequency

2200 MHz

320

Shader Units

128

20

Texture Units

8

7

Raster Operation Units

4

-

Execution Units

2

12 W

Power Consumption

15 W

-

Graphics Performance

0.563 TFLOPS

Miscellaneous

AMD Ryzen 3 4300U

Official Website

3.0

PCIe Version

5.0

16

PCIe Lanes

28

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