AMD Ryzen 9 7940HX vs AMD Ryzen 3 Pro 5450U

VS

AMD Ryzen 9 7940HX AMD Ryzen 3 Pro 5450U

We compared two laptop CPUs: AMD Ryzen 9 7940HX with 16 cores 2.4GHz and AMD Ryzen 3 Pro 5450U 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 2 years and 10 months 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 8MB)

More modern manufacturing process (5nm vs 7nm)

AMD Ryzen 3 Pro 5450U 's Advantages

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

Higher base frequency (2.6GHz vs 2.4GHz)

Lower TDP (15W vs 55W)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 9 7940HX +66%

2688

AMD Ryzen 3 Pro 5450U

1618

Geekbench 6 Multi Core

AMD Ryzen 9 7940HX +222%

15655

AMD Ryzen 3 Pro 5450U

4858

AMD Ryzen 9 7940HX

VS

AMD Ryzen 3 Pro 5450U

General Parameters

Jan 2024

Release Date

Mar 2021

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Dragon Range)

Core Architecture

Cezanne U

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

15 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

4 GHz

16

Total Core Count

4

32

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

24

Multiplier

26x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

64 MB

L3 Cache

8 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

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

1600 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 Pro 5450U

5.0

PCIe Version

3.0

28

PCIe Lanes

12

Related CPU Comparisons

1

AMD Ryzen 9 7940HX vs AMD Ryzen 9 7940HS

2

AMD Ryzen 9 7940HX vs Intel Core i9 14900HX

3

AMD Ryzen 9 7940HX vs AMD Ryzen 9 7945HX

4

AMD Ryzen 9 7940HX vs Intel Core i9 13980HX

5

AMD Ryzen 9 7940HX vs AMD Ryzen 7 7840HS

6

Intel Core Ultra 9 185H vs AMD Ryzen 9 7940HX

7

Apple M1 vs AMD Ryzen 3 Pro 5450U

8

Intel Core i5 1145G7 vs AMD Ryzen 3 Pro 5450U

9

AMD Ryzen 9 7940HX vs AMD Ryzen 9 6900HS

10

AMD Ryzen 9 7940HX vs Intel Core i9 12900HX