AMD Ryzen 9 5900HS vs AMD Ryzen 9 7945HX3D

VS

AMD Ryzen 9 5900HS

AMD Ryzen 9 7945HX3D

We compared two laptop CPUs: AMD Ryzen 9 5900HS with 8 cores 3.0GHz and AMD Ryzen 9 7945HX3D with 16 cores 2.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 5900HS 's Advantages

Higher base frequency (3.0GHz vs 2.3GHz)

Lower TDP (35W vs 55W)

AMD Ryzen 9 7945HX3D 's Advantages

Released 2 years and 6 months late

Higher specification of memory (5200 vs 4266)

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

Newer PCIe version (5 vs 3.0)

Larger L3 cache size (128MB vs 16MB)

More modern manufacturing process (5nm vs 7nm)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 5900HS

1469

AMD Ryzen 9 7945HX3D +32%

1940

Cinebench R23 Multi Core

AMD Ryzen 9 5900HS

12738

AMD Ryzen 9 7945HX3D +161%

33329

Geekbench 6 Single Core

AMD Ryzen 9 5900HS

1877

AMD Ryzen 9 7945HX3D +48%

2783

Geekbench 6 Multi Core

AMD Ryzen 9 5900HS

7243

AMD Ryzen 9 7945HX3D +122%

16080

Blender

AMD Ryzen 9 5900HS

164

AMD Ryzen 9 7945HX3D +189%

475

Geekbench 5 Single Core

AMD Ryzen 9 5900HS

1487

AMD Ryzen 9 7945HX3D +43%

2138

Geekbench 5 Multi Core

AMD Ryzen 9 5900HS

7431

AMD Ryzen 9 7945HX3D +157%

19153

AMD Ryzen 9 5900HS

VS

AMD Ryzen 9 7945HX3D

General Parameters

Jan 2021

Release Date

Jul 2023

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Cezanne

Core Architecture

Dragon Range

FP6

Socket

AMD Socket FL1

Radeon RX Vega 8

Integrated Graphics

Radeon 610M

-

Generation

Ryzen 9 (Zen 4 (Dragon Range))

Package

-

Transistor Count

17.84 billions

7 nm

Manufacturing Process

5 nm

35 W

Power Consumption

55 W

105 °C

Peak Operating Temperature

89 °C

-

Foundry

TSMC

-

Die Size

2x71 mm²

-

I/O Process Size

6 nm

-

I/O Die Size

122 mm²

CPU Performance

8

Performance Cores

-

16

Performance Core Threads

-

3.0 GHz

Performance Core Base Frequency

2.3 GHz

4.6 GHz

Performance Core Turbo Frequency

5.4 GHz

8

Total Core Count

16

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

30x

Multiplier

23.0

64 K per core

L1 Cache

64 KB per core

512 K per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

128 MB shared

No

Unlocked Multiplier

Yes

-

SMP

1

Memory Parameters

DDR4-3200, LPDDR4-4266

Memory Types

DDR5-5200

64 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

Yes

Graphics Card Parameters

true

Integrated Graphics

true

2100 MHz

GPU Max Dynamic Frequency

2200 MHz

512

Shader Units

-

32

Texture Units

-

8

Raster Operation Units

-

Execution Units

2

15 W

Power Consumption

-

Graphics Performance

0.49 TFLOPS

Miscellaneous

AMD Ryzen 9 5900HS

Official Website

AMD Ryzen 9 7945HX3D

3.0

PCIe Version

5

12

PCIe Lanes

28

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