Wi Fi is missing in Micromax X550 Qube which boasts of a superb hardware as in a cube like user interface and sturdy design. It is more economical but lacks high end features incorporated in Micromax X510 Pike.
Micromax X510 boasts touchscreen with colourful back panels. There is Bluetooth with A2DP and Wi Fi for connectivity and browsing. It looks stunning with its 2MP Camera on the back, two keys in the front and volume and music keys on sides.
Micromax X510 Pike supports stereo FM radio that can be enjoyed on a 3.5 mm audio port. The Pike is powered by a 1500 mAh a battery that offers 8 hr talktime.
Micromax X550 has a 3.2 inch touchscreen and comes pre-armedwith Opera Mini Browser, Nimbuzz free Chat messenger and Snaptu for Twitter and Facebook.