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QuestionAre IoT devices missing out on the great semiconductor lithography revolution? Pin
honey the codewitch2-Mar-21 7:33
mvahoney the codewitch2-Mar-21 7:33 
I've been looking for information on chip lithography processes used in creating SoCs for IoT devices like the ESP32 based devices.

The ESP32 is @ 40nm which seems huge today, given my AMD APU is at 7nm.

Even when it was released 40nm was kind of big.

Now, these devices are known for low power, but even now, I struggle writing software that will use my ESP32's tensilica CPU in such a way as to extend the operating life on a charge.

If it's a cost issue, I don't think it's a tenable one:

I would pay 4x the price for ultra low power versions of the ESP32 widgets I have.

I don't know as much about other offerings like ARMs and so far googling isn't coming up with much real world info on lithography used across the range of IoT SoC offerings.

But my takeaway is these little chips have some catching up to do in an area where they could sorely use it.
Real programmers use butterflies

AnswerRe: Are IoT devices missing out on the great semiconductor lithography revolution? Pin
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