AMD Ryzen 5 PRO 8645HS vs AMD Ryzen 3 7440U

VS

AMD Ryzen 5 PRO 8645HS

AMD Ryzen 3 7440U

We compared two laptop CPUs: AMD Ryzen 5 PRO 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 PRO 8645HS 's Advantages

Released 6 months late

Higher base frequency (4.3GHz vs 3.0GHz)

Larger L3 cache size (16MB vs 8MB)

AMD Ryzen 3 7440U 's Advantages

Higher specification of memory (7500 vs 7500)

Newer PCIe version (4.0 vs 4)

Lower TDP (30W vs 54W)

Score

Benchmark

Geekbench 6 Single Core

AMD Ryzen 5 PRO 8645HS +6%

2478

AMD Ryzen 3 7440U

2322

Geekbench 6 Multi Core

AMD Ryzen 5 PRO 8645HS +56%

10306

AMD Ryzen 3 7440U

6566

AMD Ryzen 5 PRO 8645HS

VS

AMD Ryzen 3 7440U

General Parameters

Apr 2024

Release Date

Oct 2023

AMD

Manufacturer

Amd

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Zen 4 (Phoenix)

AMD Socket FP7

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

-

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

43.0

Multiplier

30x

64 KB per core

L1 Cache

64 K per core

6 MB

L2 Cache

1 MB per core

16 MB

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

-

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

800 MHz

2600 MHz

GPU Max Dynamic Frequency

2500 MHz

-

Shader Units

256

-

Texture Units

16

-

Raster Operation Units

8

Execution Units

4

-

Power Consumption

15 W

-

Graphics Performance

1.28 TFLOPS

AI Accelerator

AMD Ryzen™ AI

NPU

-

16 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen 5 PRO 8645HS

Official Website

AMD Ryzen 3 7440U

4

PCIe Version

4.0

20

PCIe Lanes

14

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