AMD Ryzen 9 7940HX vs AMD Ryzen 3 5300U

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We compared two laptop CPUs: AMD Ryzen 9 7940HX with 16 cores 2.4GHz and AMD Ryzen 3 5300U with 4 cores 2.6GHz . 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 3 years late

Larger memory bandwidth (83.2GB/s vs 51.2GB/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 5300U's Advantages

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

Higher base frequency (2.6GHz vs 2.4GHz)

Lower TDP (10W vs 55W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7940HX +68%

1882

AMD Ryzen 3 5300U

1116

Cinebench R23 Multi Core

AMD Ryzen 9 7940HX +619%

33284

AMD Ryzen 3 5300U

4629

Geekbench 6 Single Core

AMD Ryzen 9 7940HX +96%

2688

AMD Ryzen 3 5300U

1368

Geekbench 6 Multi Core

AMD Ryzen 9 7940HX +304%

15655

AMD Ryzen 3 5300U

3869

AMD Ryzen 9 7940HX

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AMD Ryzen 3 5300U

General Parameters

Jan 2024

Release Date

Jan 2021

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Dragon Range)

Core Architecture

Lucienne

AMD Socket FL1

Socket

FP6

Radeon 610M

Integrated Graphics

Radeon RX Vega 6

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

8

2.4 GHz

Performance Core Base Frequency

2.6 GHz

5.2 GHz

Performance Core Turbo Frequency

3.8 GHz

16

Total Core Count

4

32

Total Thread Count

8

100MHz

Bus Frequency

100MHz

24

Multiplier

26x

64K per core

L1 Cache

64K per core

1MB per core

L2 Cache

512K per core

64MB

L3 Cache

4MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-5200

Memory Types

DDR4-3200, LPDDR4-4266

64GB

Max Memory Size

32GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

51.2 GB/s

-

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

400 MHz

GPU Base Frequency

-

2200 MHz

GPU Max Dynamic Frequency

1500 MHz

128

Shader Units

384

8

Texture Units

24

4

Raster Operation Units

8

2

Execution Units

-

15 W

Power Consumption

15 W

0.563 TFLOPS

Graphics Performance

-

Miscellaneous

Official Website

AMD Ryzen 3 5300U

5.0

PCIe Version

3.0

28

PCIe Lanes

12

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