Is ATmega1280 pin-to-pin compatible with ATmega2560 ?

Other Hardware 3rd Party Boards
1

Is ATmega1280 pin-to-pin compatible with ATmega2560 ?
Actually, I did not look for the datasheet of the chips... But, if positive, has someone experience of changing the chips in an Arduino board?

Thanks

2

Yes.

Good luck! Lots of little, tiny pins...