* Before I start comparing I should mention that Apple is a HARDWARE company because OSX is not entirely a product of Apple (See below) and their only original parts and profits come from the hardware. Buying an Apple computer to use OSX is the same as buying an expensive motherboard just to take its capacitors. Therefore, any advantage OSX has over Linux and Windows can easily be achieved on both computers (See compatibility below) *
1. Price:
Without a doubt the PC has always cost less than a Mac with similar specifications. For example, a $3500 Mac Pro can be similar in specs to a $1000 PC. However, the Mac OS costs less than Windows, so it might not be worth paying the $2000 premium. Also, most Linux distros are free.Although this is somewhat outdated, the idea still stands