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Senior
January 22, 2026
Solved

Any benefits for N6 without AI accelerator

  • January 22, 2026
  • 2 replies
  • 282 views

I'm currently looking at something like this

  • STM32N657A0

But they sell a non AI accelerator version 

  • STM32N655A0

Is there any benefits to using the non AI version of the chip.  Other then saving a few dollars on the chip?

 

Best answer by AScha.3

>Is there any benefits to using the non AI version of the chip.  Other then saving a few dollars on the chip?

No.

Anyway its same die, just NPU is disabled and its about 10% cheaper ...if in same package.

 

AScha3_0-1769154676550.png

 

2 replies

AScha.3
AScha.3Best answer
Super User
January 23, 2026

>Is there any benefits to using the non AI version of the chip.  Other then saving a few dollars on the chip?

No.

Anyway its same die, just NPU is disabled and its about 10% cheaper ...if in same package.

 

AScha3_0-1769154676550.png

 

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Senior
January 23, 2026

I know it was the same die.  I was just wondering if like some power rail or maby something else wouldn't be needed because it wasn't there.  Thanks for the info.