Side By Side Comparison of Karbonn K15 and Gionee Long L700. Compare Processor, display, RAM, Storage and other features here. You can quickly compare Karbonn K15 and Gionee Long L700 smartphones just by looking at their ratings and results showing "winner" and "runner up." There is also a short analysis comparing different features of Karbonn K15 and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.