A washer without an agitator tends to use less water and energy. They have a larger capacity because the spindle of the bulky agitator doesn't take up space. An alternative impeller mechanism that is installed in the middle of the washer basin is effective in cleaning clothes.

Is it better to have an agitator in a washing machine?

Performance. Despite the potential risk in damaging clothes, top load washers with agitators provide a better cleaning performance. Whereas, top load washers with no agitator may be more gentle to clothes, they really arent as effective at cleaning clothes compared to top load washers with an agitator.

Do impeller washers clean well?

Impeller washers are designed so that the laundry has more room to move in order to enhance the friction between clothes, which helps in delivering a gentle, yet thorough clean.