Side By Side Comparison of Lava KKT 40S and Lava Iris X1 Atom. Compare Processor, display, RAM, Storage and other features here. You can quickly compare Lava KKT 40S and Lava Iris X1 Atom 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 KKT 40S and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.