With a bigger drum you can fit in larger items such as duvets, or do a big load at once.
With an anti crease spin the machine gently rotates to shake out creases.
Some things are too delicate for mechanical drying, so with this shelf you can dry things like sports shoes.
A faster spin speed means you can get things cleaner with a lower temperature of the water. Using a fast spin also extracts water, meaning that the clothes come out nearly dry. Generally, anything over 1,000 rpm is very good.
With a wider range of programs to choose from you can be more specific and choose the best, most economic program for your needs.
Vented dryers are cheaper and can be more efficient than condenser dryers. The damp air extracted travels through a long plastic hose and is discharged outside the home, either through a window or hole in the wall. You don't have to empty a water container like you do with some condenser dryers.