Side By Side Comparison of LG E730 and Karbonn A81. Compare Processor, display, RAM, Storage and other features here. You can quickly compare LG E730 and Karbonn A81 smartphones just by looking at their ratings and results showing "winner" and "runner up." There is also a short analysis comparing different features of LG E730 and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.