AMD Ryzen 5 8645HS vs AMD Ryzen 3 7440U

VS

AMD Ryzen 5 8645HS

AMD Ryzen 3 7440U

We compared two laptop CPUs: AMD Ryzen 5 8645HS with 6 cores 4.3GHz and AMD Ryzen 3 7440U with 4 cores 3.0GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

AMD Ryzen 5 8645HS 's Advantages

Better graphics card performance

Higher base frequency (4.3GHz vs 3.0GHz)

Larger L3 cache size (16MB vs 8MB)

AMD Ryzen 3 7440U 's Advantages

Lower TDP (30W vs 54W)

Score

Benchmark

Cinebench R23 Single Core

AMD Ryzen 5 8645HS +8%

1724

AMD Ryzen 3 7440U

1593

Cinebench R23 Multi Core

AMD Ryzen 5 8645HS +45%

13058

AMD Ryzen 3 7440U

8966

Geekbench 6 Single Core

AMD Ryzen 5 8645HS +5%

2455

AMD Ryzen 3 7440U

2322

Geekbench 6 Multi Core

AMD Ryzen 5 8645HS +56%

10287

AMD Ryzen 3 7440U

6566

AMD Ryzen 5 8645HS

VS

AMD Ryzen 3 7440U

General Parameters

Dec 2023

Release Date

Oct 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Zen 4 (Hawk Point)

Core Architecture

Zen 4 (Phoenix)

FP8

Socket

FP8

Radeon 760M

Integrated Graphics

Radeon 740M

Ryzen 5 (Zen 4 (Hawk Point))

Generation

-

Package

25 billions

Transistor Count

20.9 billions

4 nm

Manufacturing Process

4 nm

35-54 W

Power Consumption

15-30 W

100°C

Peak Operating Temperature

100 °C

TSMC

Foundry

-

178 mm²

Die Size

-

CPU Performance

6

Performance Cores

1

12

Performance Core Threads

2

4.3 GHz

Performance Core Base Frequency

3.0 GHz

5 GHz

Performance Core Turbo Frequency

4.7 GHz

-

Efficiency Cores

3

-

Efficiency Core Threads

6

-

Efficiency Core Base Frequency

2.8 GHz

-

Efficiency Core Turbo Frequency

3.3 GHz

6

Total Core Count

4

12

Total Thread Count

8

100 MHz

Bus Frequency

100 MHz

43x

Multiplier

30x

64 K per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

16 MB shared

L3 Cache

8 MB shared

No

Unlocked Multiplier

No

1

SMP

-

Memory Parameters

DDR5-5600, LPDDR5x-7500

Memory Types

DDR5-5600, LPDDR5x-7500

256 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

-

No

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

800 MHz

GPU Base Frequency

800 MHz

2600 MHz

GPU Max Dynamic Frequency

2500 MHz

512

Shader Units

256

32

Texture Units

16

Raster Operation Units

8

Execution Units

4

15 W

Power Consumption

15 W

2.66 TFLOPS

Graphics Performance

1.28 TFLOPS

Miscellaneous

AMD Ryzen 5 8645HS official page

Official Website

AMD Ryzen 3 7440U

4.0

PCIe Version

4.0

20

PCIe Lanes

14

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