Comparsion between asus 550ti vs evga 550tite n asus

[Mfzb0910]

Please give me the exact difference among the graphics cards of asus 550ti vs evga 550ti

 

[GreenDutchAlien]

One uses the letters a, s, u and s and the other one the letters e, v, g and a.

Which models are we talking about ?