There's no doubt about it. The M1 Macs are in impressive evolutionary change in the 30 year history of the Macintosh computer. While the M1 has some limitations (particularly in memory capacity and ports), overall price/performance has been exceptional. But, if you've upgraded recently from an Intel Mac (particularly if you used the Migration Tool), you might have found that some favorite applications seem more sluggish than you remember.

Link: Sluggish apps on your M1 Mac? Check this first for a possible fix
via http://www.zdnet.com