Side By Side Comparison of Lyf Wind 7i and Champion Computers BSNL Champion DM6513. Compare Processor, display, RAM, Storage and other features here. You can quickly compare Lyf Wind 7i and Champion Computers BSNL Champion DM6513 smartphones just by looking at their ratings and results showing "winner" and "runner up." There is also a short analysis comparing different features of Lyf Wind 7i and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.