Compare Elliptical Exercise Equipment

exercise equipment
Fitness gear or clothing — for example ‘stability ball’.
An exercise equipment is any equipment used for physical exercise.

elliptical
egg-shaped: rounded like an egg
In geometry, an ellipse (from Greek ???????? elleipsis, a "falling short") is a plane curve that results from the intersection of a cone by a plane in a way that produces a closed curve. Circles are special cases of ellipses, obtained when the cutting plane is perpendicular to the axis.
(of speech or writing) Using or involving ellipsis, esp. so as to be difficult to understand
elliptic: characterized by extreme economy of expression or omission of superfluous elements; "the dialogue is elliptic and full of dark hints"; "the explanation was concise, even elliptical to the verge of obscurity"- H.O.Taylor

compare
Point out the resemblances to; liken to
Draw an analogy between one thing and (another) for the purposes of explanation or clarification
examine and note the similarities or differences of; "John compared his haircut to his friend's"; "We compared notes after we had both seen the movie"
be comparable; "This car does not compare with our line of Mercedes"
Estimate, measure, or note the similarity or dissimilarity between
comparison: qualities that are comparable; "no comparison between the two books"; "beyond compare"