AMD Ryzen 9 7945HX3D vs AMD Ryzen 9 7940HX

VS

We compared two laptop CPUs: AMD Ryzen 9 7945HX3D with 16 cores 2.3GHz and AMD Ryzen 9 7940HX with 16 cores 2.4GHz . 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

Larger L3 cache size (128MB vs 64MB)

AMD Ryzen 9 7940HX 's Advantages

Released 6 months late

Better graphics card performance

Newer PCIe version (5.0 vs 5)

Higher base frequency (2.4GHz vs 2.3GHz)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7945HX3D +4%

1958

AMD Ryzen 9 7940HX

1882

Cinebench R23 Multi Core

AMD Ryzen 9 7945HX3D +1%

33745

AMD Ryzen 9 7940HX

33284

Geekbench 6 Single Core

AMD Ryzen 9 7945HX3D +3%

2783

AMD Ryzen 9 7940HX

2688

Geekbench 6 Multi Core

AMD Ryzen 9 7945HX3D +2%

16080

AMD Ryzen 9 7940HX

15655

AMD Ryzen 9 7945HX3D

VS

AMD Ryzen 9 7940HX

General Parameters

Jul 2023

Release Date

Jan 2024

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Dragon Range

Core Architecture

Zen 4 (Dragon Range)

AMD Socket FL1

Socket

AMD Socket FL1

Radeon 610M

Integrated Graphics

Radeon 610M

Ryzen 9 (Zen 4 (Dragon Range))

Generation

-

Package

17.84 billions

Transistor Count

13.14 billions

5 nm

Manufacturing Process

5 nm

AMD Socket FL1

Socket

AMD Socket FL1

55 W

Power Consumption

55 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

16

-

Performance Core Threads

32

2.3 GHz

Performance Core Base Frequency

2.4 GHz

5.4 GHz

Performance Core Turbo Frequency

5.2 GHz

16

Total Core Count

16

32

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

23.0

Multiplier

24

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

64 MB

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

-

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

400 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

0.563 TFLOPS

Miscellaneous

AMD Ryzen 9 7945HX3D

Official Website

5

PCIe Version

5.0

28

PCIe Lanes

28

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