AMD Ryzen AI Max 390 vs AMD Ryzen 9 7940HX

VS

AMD Ryzen AI Max 390

AMD Ryzen 9 7940HX

We compared two laptop CPUs: AMD Ryzen AI Max 390 with 12 cores 2GHz and AMD Ryzen 9 7940HX with 16 cores 2.4GHz . 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 1 years late

Higher specification of memory (8000 vs 5200)

Larger memory bandwidth (128GB/s vs 83.2GB/s)

More modern manufacturing process (4nm vs 5nm)

Lower TDP (54W vs 55W)

AMD Ryzen 9 7940HX 's Advantages

Newer PCIe version (5.0 vs 4)

Higher base frequency (2.4GHz vs 2GHz)

Score

AMD Ryzen AI Max 390

VS

AMD Ryzen 9 7940HX

General Parameters

Jan 2025

Release Date

Jan 2024

AMD

Manufacturer

AMD

Laptop

Type

Laptop

x86-64

Instruction Set

x86-64

Strix Halo

Core Architecture

Zen 4 (Dragon Range)

AMD Socket FP8

Socket

AMD Socket FL1

40CU(Unknown)

Integrated Graphics

Radeon 610M

Zen 5

Generation

-

Package

Transistor Count

13.14 billions

4 nm

Manufacturing Process

5 nm

15-54 W

Power Consumption

55 W

W

Max Turbo Power Consumption

-

100°C

Peak Operating Temperature

100°C

TSMC

Foundry

-

6 nm

I/O Process Size

-

CPU Performance

12

Performance Cores

16

24

Performance Core Threads

32

2 GHz

Performance Core Base Frequency

2.4 GHz

5.1 GHz

Performance Core Turbo Frequency

5.2 GHz

0

Efficiency Cores

-

Efficiency Core Threads

-

0 MHz

Efficiency Core Base Frequency

-

0 GHz

Efficiency Core Turbo Frequency

-

12

Total Core Count

16

24

Total Thread Count

32

100 MHz

Bus Frequency

100 MHz

20.0

Multiplier

24

80 KB per core

L1 Cache

64 K per core

1 MB per core

L2 Cache

1 MB per core

64 MB

L3 Cache

64 MB

No

Unlocked Multiplier

Yes

1

SMP

-

Memory Parameters

LPDDR5X-8000

Memory Types

DDR5-5200

96 GB

Max Memory Size

64 GB

2

Max Memory Channels

2

128 GB/s

Max Memory Bandwidth

83.2 GB/s

No

ECC Memory Support

-

Graphics Card Parameters

true

Integrated Graphics

true

GPU Base Frequency

400 MHz

MHz

GPU Max Dynamic Frequency

2200 MHz

Shader Units

128

Texture Units

8

Raster Operation Units

4

40

Execution Units

2

Power Consumption

15 W

Max Resolution

-

0 TFLOPS

Graphics Performance

0.563 TFLOPS

AI Accelerator

AMD Ryzen™ AI

NPU

-

55 TOPS

Theoretical performance

-

Miscellaneous

AMD Ryzen AI Max 390

Official Website

4

PCIe Version

5.0

16

PCIe Lanes

28

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