Re: How to compare computing power of microcontrollers?

"So for instance, to
do 32 bit arithmetic operations on AVR takes 4 instructions/clocks,
while the ARM will do a 32 bit operation in one instruction/clock. "

I would think its more like a 12-1 ratio, 32 bit add on a 8 bit machine
generally requires loads and stores inbetween each 8 bit add

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