AMD Ryzen 9 7945HX3D vs AMD Ryzen 5 7545U

VS

AMD Ryzen 9 7945HX3D

AMD Ryzen 5 7545U

We compared two laptop CPUs: AMD Ryzen 9 7945HX3D with 16 cores 2.3GHz and AMD Ryzen 5 7545U with 6 cores 3.2GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7945HX3D 's Advantages

Newer PCIe version (5 vs 4)

Larger L3 cache size (128MB vs 16MB)

AMD Ryzen 5 7545U 's Advantages

Higher specification of memory (7500 vs 5200)

Larger memory bandwidth (89.6GB/s vs 83.2GB/s)

Higher base frequency (3.2GHz vs 2.3GHz)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (30W vs 55W)

Score

AMD Ryzen 9 7945HX3D

VS

AMD Ryzen 5 7545U

General Parameters

Jul 2023

Release Date

Nov 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

Dragon Range

Core Architecture

Phoenix2

AMD Socket FL1

Socket

AMD Socket FP7

Radeon 610M

Integrated Graphics

Radeon 740M

Ryzen 9 (Zen 4 (Dragon Range))

Generation

Ryzen 5 (Zen 4 (Phoenix))

Package

17.84 billions

Transistor Count

20.9 billions

5 nm

Manufacturing Process

4 nm

55 W

Power Consumption

5-30 W

89 °C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

2x71 mm²

Die Size

137 mm²

6 nm

I/O Process Size

-

122 mm²

I/O Die Size

-

CPU Performance

-

Performance Cores

2

-

Performance Core Threads

4

2.3 GHz

Performance Core Base Frequency

3.2 GHz

5.4 GHz

Performance Core Turbo Frequency

4.9 GHz

-

Efficiency Cores

4

-

Efficiency Core Threads

8

-

Efficiency Core Base Frequency

3 GHz

-

Efficiency Core Turbo Frequency

3.5 GHz

16

Total Core Count

6

32

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

32

64 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

6 MB

128 MB shared

L3 Cache

16 MB

Yes

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5200

Memory Types

DDR5-5600,LPDDR5x-7500

64 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

89.6 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

2200 MHz

GPU Max Dynamic Frequency

2800 MHz

2

Execution Units

4

0.49 TFLOPS

Graphics Performance

-

Miscellaneous

AMD Ryzen 9 7945HX3D

Official Website

AMD Ryzen 5 7545U

5

PCIe Version

4

28

PCIe Lanes

14

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