No , it's even worse . Core M3 , M5 and M7 are not Core i3 , i5 and i7
Normal CPU : Core i5 6300HQ , Core i7 6700HQ , Core i7 4700MQ , Core i5 4200H , Core i5 4300M ....
Cutdown version (ultra low voltage) : Core i5 6200U , Core i7 7500U ....
Cutdown even more (for tablet or low end laptop that almost has no fan) : Core M3 7Y30 , Core M5 , Core M7 , Atom X7 Z8300 , Celeron N2807 ...
Normal CPU : Core i5 6300HQ , Core i7 6700HQ , Core i7 4700MQ , Core i5 4200H , Core i5 4300M ....
Cutdown version (ultra low voltage) : Core i5 6200U , Core i7 7500U ....
Cutdown even more (for tablet or low end laptop that almost has no fan) : Core M3 7Y30 , Core M5 , Core M7 , Atom X7 Z8300 , Celeron N2807 ...
Laptop: (Show Spoiler)
Mini PC :: (Show Spoiler)

Lets hope the same doesn't happen to me :')
Very glad you commented