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 +14%

1963

AMD Ryzen 3 7440U

1716

Cinebench R23 Multi Core

AMD Ryzen 9 7945HX +280%

34581

AMD Ryzen 3 7440U

9080

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

VS

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

100 MHz

Bus Frequency

100 MHz

25x

Multiplier

30x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

64 MB shared

L3 Cache

8 MB shared

Yes

Unlocked Multiplier

No

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

-

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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