AMD Ryzen AI Max 390 vs AMD Ryzen 9 5900HX

VS

AMD Ryzen AI Max 390

AMD Ryzen 9 5900HX

We compared two laptop CPUs: AMD Ryzen AI Max 390 with 12 cores 2GHz and AMD Ryzen 9 5900HX with 8 cores 3.3GHz . 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 4 years late

Higher specification of memory (8000 vs 4266)

Larger memory bandwidth (128GB/s vs 68.27GB/s)

Newer PCIe version (4 vs 3.0)

Larger L3 cache size (64MB vs 16MB)

More modern manufacturing process (4nm vs 7nm)

AMD Ryzen 9 5900HX 's Advantages

Higher base frequency (3.3GHz vs 2GHz)

Score

AMD Ryzen AI Max 390

VS

AMD Ryzen 9 5900HX

General Parameters

Jan 2025

Release Date

Jan 2021

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Strix Halo

Core Architecture

Cezanne

AMD Socket FP8

Socket

FP6

40CU(Unknown)

Integrated Graphics

Radeon RX Vega 8

Zen 5

Generation

-

Package

Transistor Count

-

4 nm

Manufacturing Process

7 nm

15-54 W

Power Consumption

35-54 W

W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

105 °C

TSMC

Foundry

-

6 nm

I/O Process Size

-

CPU Performance

12

Performance Cores

8

24

Performance Core Threads

16

2 GHz

Performance Core Base Frequency

3.3 GHz

5.1 GHz

Performance Core Turbo Frequency

4.6 GHz

0

Efficiency Cores

-

Efficiency Core Threads

-

0 MHz

Efficiency Core Base Frequency

-

0 GHz

Efficiency Core Turbo Frequency

-

12

Total Core Count

8

24

Total Thread Count

16

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

33x

80 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

512 K per core

64 MB

L3 Cache

16 MB shared

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

LPDDR5X-8000

Memory Types

DDR4-3200, LPDDR4-4266

96 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

128 GB/s

Max Memory Bandwidth

68.27 GB/s

No

ECC Memory Support

Yes

Graphics Card Parameters

true

Integrated Graphics

true

GPU Base Frequency

-

MHz

GPU Max Dynamic Frequency

2100 MHz

Shader Units

512

Texture Units

32

Raster Operation Units

8

40

Execution Units

-

Power Consumption

15 W

Max Resolution

-

0 TFLOPS

Graphics Performance

-

AI Accelerator

AMD Ryzen™ AI

NPU

-

55 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen AI Max 390

Official Website

AMD Ryzen 9 5900HX

4

PCIe Version

3.0

16

PCIe Lanes

16

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