As far as lava is considered lava 4g gives a hard compettition to other mobiles like samsung sony htc 4g mobiles it has good screen touch quality is also good comming to the perfomance it has a long duration battrery works continous upto 10hrs which is so good for 4g mobiles.its uniqe design is also so good.and unlike others mobiles like samsung lava has good audio output which we can clearly hear.