AMD Ryzen 9 7945HX vs AMD Ryzen 3 7440U

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We compared two laptop CPUs: AMD Ryzen 9 7945HX with 16 cores 2.5GHz and AMD Ryzen 3 7440U with 4 cores 3.5GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 9 7945HX's Advantages

Newer PCIe version (5.0 vs 4.0)

Larger L3 cache size (64MB vs 8MB)

AMD Ryzen 3 7440U's Advantages

Released 9 months late

Better graphics card performance

Higher specification of memory (LPDDR5x-7500 vs DDR5-5200)

Higher base frequency (3.5GHz vs 2.5GHz)

Lower TDP (15W vs 55W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 9 7945HX +15%

1961

AMD Ryzen 3 7440U

1700

Cinebench R23 Multi Core

AMD Ryzen 9 7945HX +284%

34437

AMD Ryzen 3 7440U

8949

Geekbench 6 Single Core

AMD Ryzen 9 7945HX +25%

2906

AMD Ryzen 3 7440U

2323

Geekbench 6 Multi Core

AMD Ryzen 9 7945HX +195%

19413

AMD Ryzen 3 7440U

6571

AMD Ryzen 9 7945HX

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AMD Ryzen 3 7440U

General Parameters

Jan 2023

Release Date

Oct 2023

Amd

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Dragon Range)

Core Architecture

Zen 4 (Phoenix)

FL1

Socket

FP8

Radeon 610M

Integrated Graphics

Radeon 740M

Package

13.1 billions

Transistor Count

-

5 nm

Manufacturing Process

4 nm

FL1

Socket

FP8

55-75 W

Power Consumption

15-30 W

100°C

Peak Operating Temperature

100°C

CPU Performance

16

Performance Cores

4

32

Performance Core Threads

8

2.5 GHz

Performance Core Base Frequency

3.5 GHz

5.4 GHz

Performance Core Turbo Frequency

4.7 GHz

16

Total Core Count

4

32

Total Thread Count

8

100MHz

Bus Frequency

100MHz

25x

Multiplier

30x

64K per core

L1 Cache

64K per core

1MB per core

L2 Cache

1MB per core

64MB shared

L3 Cache

8MB shared

Yes

Unlocked Multiplier

No

Memory Parameters

DDR5-5200

Memory Types

DDR5-5600, LPDDR5x-7500

64GB

Max Memory Size

256GB

2

Max Memory Channels

2

83.2 GB/s

Max Memory Bandwidth

-

No

ECC Memory Support

No

Graphics Card Parameters

True

Integrated Graphics

True

1500 MHz

GPU Base Frequency

1500 MHz

2200 MHz

GPU Max Dynamic Frequency

2500 MHz

128

Shader Units

256

8

Texture Units

16

4

Raster Operation Units

8

2

Execution Units

4

15 W

Power Consumption

15 W

0.49 TFLOPS

Graphics Performance

2.56 TFLOPS

Miscellaneous

AMD Ryzen 9 7945HX

Official Website

AMD Ryzen 3 7440U

5.0

PCIe Version

4.0

28

PCIe Lanes

14

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