AMD Ryzen 9 7945HX3D vs AMD Ryzen 7 7745HX

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We compared two laptop CPUs: AMD Ryzen 9 7945HX3D with 16 cores 2.3GHz and AMD Ryzen 7 7745HX with 8 cores 3.6GHz . 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

Released 6 months late

Larger L3 cache size (128MB vs 32MB)

AMD Ryzen 7 7745HX 's Advantages

Newer PCIe version (5.0 vs 5)

Higher base frequency (3.6GHz vs 2.3GHz)

Lower TDP (45W vs 55W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7945HX3D +5%

1958

AMD Ryzen 7 7745HX

1854

Cinebench R23 Multi Core

AMD Ryzen 9 7945HX3D +85%

33745

AMD Ryzen 7 7745HX

18189

Geekbench 6 Single Core

AMD Ryzen 9 7945HX3D

2783

AMD Ryzen 7 7745HX

2792

Geekbench 6 Multi Core

AMD Ryzen 9 7945HX3D +6%

16080

AMD Ryzen 7 7745HX

15066

Blender

AMD Ryzen 9 7945HX3D +77%

485

AMD Ryzen 7 7745HX

273

Geekbench 5 Single Core

AMD Ryzen 9 7945HX3D +5%

2138

AMD Ryzen 7 7745HX

2029

Geekbench 5 Multi Core

AMD Ryzen 9 7945HX3D +46%

19153

AMD Ryzen 7 7745HX

13041

AMD Ryzen 9 7945HX3D

VS

AMD Ryzen 7 7745HX

General Parameters

Jul 2023

Release Date

Jan 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Dragon Range

Core Architecture

Zen 4 (Dragon Range)

AMD Socket FL1

Socket

FL1

Radeon 610M

Integrated Graphics

Radeon 610M

Ryzen 9 (Zen 4 (Dragon Range))

Generation

-

Package

17.84 billions

Transistor Count

-

5 nm

Manufacturing Process

5 nm

AMD Socket FL1

Socket

FL1

55 W

Power Consumption

45-75 W

89 °C

Peak Operating Temperature

100°C

TSMC

Foundry

-

2x71 mm²

Die Size

-

6 nm

I/O Process Size

-

122 mm²

I/O Die Size

-

µFC-BGAFL1

Package

-

CPU Performance

-

Performance Cores

8

-

Performance Core Threads

16

2.3 GHz

Performance Core Base Frequency

3.6 GHz

5.4 GHz

Performance Core Turbo Frequency

5.1 GHz

16

Total Core Count

8

32

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

36x

64 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

128 MB shared

L3 Cache

32 MB shared

Yes

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

DDR5-5200

Memory Types

DDR5-5200

64 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

83.2 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

1500 MHz

2200 MHz

GPU Max Dynamic Frequency

2200 MHz

-

Shader Units

128

-

Texture Units

8

-

Raster Operation Units

4

2

Execution Units

2

-

Power Consumption

15 W

0.49 TFLOPS

Graphics Performance

0.49 TFLOPS

Miscellaneous

AMD Ryzen 9 7945HX3D

Official Website

AMD Ryzen 7 7745HX

5

PCIe Version

5.0

28

PCIe Lanes

28

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