AMD Ryzen 3 Pro 5450U vs AMD Ryzen 5 7645HX

VS

AMD Ryzen 3 Pro 5450U AMD Ryzen 5 7645HX

We compared two laptop CPUs: AMD Ryzen 3 Pro 5450U with 4 cores 2.6GHz and AMD Ryzen 5 7645HX with 6 cores 4.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 3 Pro 5450U 's Advantages

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

Lower TDP (15W vs 45W)

AMD Ryzen 5 7645HX 's Advantages

Released 1 years and 10 months late

Larger memory bandwidth (83.2GB/s vs 51.2GB/s)

Newer PCIe version (5.0 vs 3.0)

Higher base frequency (4.0GHz vs 2.6GHz)

Larger L3 cache size (32MB vs 8MB)

More modern manufacturing process (5nm vs 7nm)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 3 Pro 5450U

1618

AMD Ryzen 5 7645HX +68%

2720

Geekbench 6 Multi Core

AMD Ryzen 3 Pro 5450U

4858

AMD Ryzen 5 7645HX +145%

11906

Geekbench 5 Single Core

AMD Ryzen 3 Pro 5450U

1294

AMD Ryzen 5 7645HX +46%

1895

Geekbench 5 Multi Core

AMD Ryzen 3 Pro 5450U

4629

AMD Ryzen 5 7645HX +140%

11141

AMD Ryzen 3 Pro 5450U

VS

AMD Ryzen 5 7645HX

General Parameters

Mar 2021

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Cezanne U

Core Architecture

Zen 4 (Dragon Range)

-

Processor Number

-

FP6

Socket

FL1

Radeon RX Vega 6

Integrated Graphics

Radeon 610M

-

Generation

-

Package

-

Transistor Count

-

7 nm

Manufacturing Process

5 nm

FP6

Socket

FL1

15 W

Power Consumption

45-75 W

-

Max Turbo Power Consumption

-

105 °C

Peak Operating Temperature

100°C

-

Foundry

-

Die Size

-

I/O Process Size

-

I/O Die Size

-

Package

-

CPU Performance

4

Performance Cores

6

8

Performance Core Threads

12

2.6 GHz

Performance Core Base Frequency

4.0 GHz

4 GHz

Performance Core Turbo Frequency

5 GHz

-

Efficiency Cores

-

Efficiency Core Threads

-

Efficiency Core Base Frequency

-

Efficiency Core Turbo Frequency

-

4

Total Core Count

6

8

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

26x

Multiplier

40x

64 K per core

L1 Cache

64 K per core

512 K per core

L2 Cache

1 MB per core

8 MB shared

L3 Cache

32 MB shared

No

Unlocked Multiplier

Yes

CCDs

-

Cores per CCD

-

SMP

-

AVX-512 FMA Ports

-

HBM

-

Memory Parameters

DDR4-3200, LPDDR4-4266

Memory Types

DDR5-5200

32 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

51.2 GB/s

Max Memory Bandwidth

83.2 GB/s

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

1600 MHz

GPU Max Dynamic Frequency

2200 MHz

384

Shader Units

128

24

Texture Units

8

Raster Operation Units

4

-

Execution Units

2

15 W

Power Consumption

15 W

-

Max Resolution

-

Graphics Performance

0.49 TFLOPS

AI Accelerator

-

NPU

-

Theoretical performance

-

Miscellaneous

AMD Ryzen 3 Pro 5450U

Official Website

AMD Ryzen 5 7645HX

3.0

PCIe Version

5.0

12

PCIe Lanes

28

-

Extended Instruction Set

-

UPI Links

Related GPU Comparisons

1

AMD Ryzen 3 Pro 5450U vs AMD Ryzen 9 4900H

2

AMD Ryzen 3 Pro 5450U vs Intel Core i3 1315U

3

AMD Ryzen 3 Pro 5450U vs Intel Core i7 10810U

4

AMD Ryzen 3 Pro 5450U vs Intel Core i3 10110U

5

AMD Ryzen 7 7730U vs AMD Ryzen 3 Pro 5450U

6

AMD Ryzen 3 Pro 5450U vs AMD Ryzen 5 5500U

7

Intel Core i5 1235U vs AMD Ryzen 3 Pro 5450U

8

AMD Ryzen 3 Pro 5450U vs AMD Ryzen 5 Pro 5650U

9

AMD Ryzen 3 Pro 5450U vs AMD Ryzen 5 7545U

10

AMD Ryzen 3 Pro 5450U vs AMD Ryzen 7 8840U

Related News

1

Time to Step Up, AMD and Intel! Nvidia Faces Antitrust Lawsuits in France, US, and EU

2

Intel Arrow Lake-S Features Dual Direct M.2 Slots: One PCIe 5.0 x4 and One PCIe 4.0 x4

3

AMD Ryzen 9000X3D Series to Feature Fully Unlocked Overclocking; DDR5-6400: The 'Sweet Spot' for Zen 5 Memory Speeds

4

Intel Z890 Motherboard Specs Leaked: Farewell to DDR4 Memory

5

AMD Ryzen 9000 Series Now Available for Pre-order in Europe: 9950X Priced at €660, Shipping by August 2

6

AMD's Latest Breakthrough Technology Could Change the Game in the Future

7

Researchers Utilize NVIDIA Omniverse Platform to Analyze and Improve 3D Stacked Chip Designs

8

TSMC to Receive Over 60 EUV Lithography Machines Over the Next Two Years, Investing More Than $12.3 Billion

9

Samsung's Own 3nm Yield is Disheartening: Galaxy S25 May Introduce MediaTek for the First Time

10

AMD Ryzen 9000 DDR5 Memory Frequency Soars: Reaches 8000MHz with All Four Slots Occupied