Hi,
I agree with stenzer.
You have the manufacturer name and the exact part number. So it should be no problem to find the according datasheet.
Then you just need to compare this specifications with competitor´s specification. It´s the same what we need to do, since no one has all datasheet specifications of all electronic parts in mind.
Also you may use parametric search ... usually provided by manufacturers as well as distributors.
Now you may say "I don´t know which specifications are important".
Again here we know less about the part usage and the application than you.
Thus stenzer in post#2 asked about additional informations.
Klaus