AMD Ryzen 5 PRO 8645HS vs AMD Ryzen AI Max 390

VS

AMD Ryzen 5 PRO 8645HS

AMD Ryzen AI Max 390

We compared two laptop CPUs: AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz and AMD Ryzen AI Max 390 with 12 cores 2GHz . 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

Higher base frequency (4.3GHz vs 2GHz)

AMD Ryzen AI Max 390 's Advantages

Released 9 months late

Higher specification of memory (8000 vs 7500)

Larger memory bandwidth (128GB/s vs 89.6GB/s)

Larger L3 cache size (64MB vs 16MB)

Score

AMD Ryzen 5 PRO 8645HS

VS

AMD Ryzen AI Max 390

General Parameters

Apr 2024

Release Date

Jan 2025

AMD

Manufacturer

AMD

Laptop

Type

Laptop

-

Instruction Set

x86-64

Hawk Point

Core Architecture

Strix Halo

AMD Socket FP7

Socket

AMD Socket FP8

Radeon 760M

Integrated Graphics

40CU(Unknown)

Ryzen 5 (Zen 4 (Hawk Point))

Generation

Zen 5

Package

25 billions

Transistor Count

4 nm

Manufacturing Process

4 nm

35-54 W

Power Consumption

15-54 W

-

Max Turbo Power Consumption

W

-

Peak Operating Temperature

100°C

TSMC

Foundry

TSMC

178 mm²

Die Size

-

I/O Process Size

6 nm

CPU Performance

6

Performance Cores

12

Performance Core Threads

24

4.3 GHz

Performance Core Base Frequency

2 GHz

5 GHz

Performance Core Turbo Frequency

5.1 GHz

-

Efficiency Cores

0

-

Efficiency Core Threads

-

Efficiency Core Base Frequency

0 MHz

-

Efficiency Core Turbo Frequency

0 GHz

6

Total Core Count

12

Total Thread Count

24

100 MHz

Bus Frequency

100 MHz

43.0

Multiplier

20.0

64 KB per core

L1 Cache

80 KB per core

6 MB

L2 Cache

1 MB per core

16 MB

L3 Cache

64 MB

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

DDR5-5600,LPDDR5x-7500

Memory Types

LPDDR5X-8000

256 GB

Max Memory Size

96 GB

2

Max Memory Channels

2

89.6 GB/s

Max Memory Bandwidth

128 GB/s

Yes

ECC Memory Support

No

Graphics Card Parameters

true

Integrated Graphics

true

-

GPU Base Frequency

2600 MHz

GPU Max Dynamic Frequency

MHz

-

Shader Units

-

Texture Units

-

Raster Operation Units

8

Execution Units

40

-

Power Consumption

-

Max Resolution

-

Graphics Performance

0 TFLOPS

AI Accelerator

AMD Ryzen™ AI

NPU

AMD Ryzen™ AI

16 TOPS

Theoretical performance

55 TOPS

Miscellaneous

AMD Ryzen 5 PRO 8645HS

Official Website

AMD Ryzen AI Max 390

4

PCIe Version

4

20

PCIe Lanes

16

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