Side By Side Comparison of Lava Iris 402e and Karbonn Alfa A120. Compare Processor, display, RAM, Storage and other features here. You can quickly compare Lava Iris 402e and Karbonn Alfa A120 smartphones just by looking at their ratings and results showing "winner" and "runner up." There is also a short analysis comparing different features of Lava Iris 402e and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.