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

VS

AMD Ryzen AI Max 390

AMD Ryzen 5 PRO 8645HS

We compared two laptop CPUs: AMD Ryzen AI Max 390 with 12 cores 2GHz and AMD Ryzen 5 PRO 8645HS with 6 cores 4.3GHz . You will find out which processor performs better in benchmark tests, key specifications, power consumption and more.

Main Differences

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)

AMD Ryzen 5 PRO 8645HS 's Advantages

Higher base frequency (4.3GHz vs 2GHz)

Score

AMD Ryzen AI Max 390

VS

AMD Ryzen 5 PRO 8645HS

General Parameters

Jan 2025

Release Date

Apr 2024

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

-

Strix Halo

Core Architecture

Hawk Point

AMD Socket FP8

Socket

AMD Socket FP7

40CU(Unknown)

Integrated Graphics

Radeon 760M

Zen 5

Generation

Ryzen 5 (Zen 4 (Hawk Point))

Package

Transistor Count

25 billions

4 nm

Manufacturing Process

4 nm

15-54 W

Power Consumption

35-54 W

W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

-

TSMC

Foundry

TSMC

-

Die Size

178 mm²

6 nm

I/O Process Size

-

CPU Performance

12

Performance Cores

6

24

Performance Core Threads

12

2 GHz

Performance Core Base Frequency

4.3 GHz

5.1 GHz

Performance Core Turbo Frequency

5 GHz

0

Efficiency Cores

-

Efficiency Core Threads

-

0 MHz

Efficiency Core Base Frequency

-

0 GHz

Efficiency Core Turbo Frequency

-

12

Total Core Count

6

24

Total Thread Count

12

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

43.0

80 KB per core

L1 Cache

64 KB per core

1 MB per core

L2 Cache

6 MB

64 MB

L3 Cache

16 MB

No

Unlocked Multiplier

No

1

SMP

1

Memory Parameters

LPDDR5X-8000

Memory Types

DDR5-5600,LPDDR5x-7500

96 GB

Max Memory Size

256 GB

2

Max Memory Channels

2

128 GB/s

Max Memory Bandwidth

89.6 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

GPU Base Frequency

-

MHz

GPU Max Dynamic Frequency

2600 MHz

Shader Units

-

Texture Units

-

Raster Operation Units

-

40

Execution Units

8

Power Consumption

-

Max Resolution

-

0 TFLOPS

Graphics Performance

-

AI Accelerator

AMD Ryzen™ AI

NPU

AMD Ryzen™ AI

55 TOPS

Theoretical performance

16 TOPS

Miscellaneous

AMD Ryzen AI Max 390

Official Website

AMD Ryzen 5 PRO 8645HS

4

PCIe Version

4

16

PCIe Lanes

20

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