Hi Deepak,
What exactly do you mean by compare options for different switches?
We have datasheet for every switch model that will give you the ergonomics to performance stats.
Below is the link to the datasheet of X670-G2 series switch,
http://learn.extremenetworks.com/rs/extreme/images/X670-G2-DS.pdf
And we have something very similar for other switches as mentioned above.
If the information provided above is not what you are looking for, please be more specific.