Side By Side Comparison of Gionee Marathon M3 and LG K5. Compare Processor, display, RAM, Storage and other features here. You can quickly compare Gionee Marathon M3 and LG K5 smartphones just by looking at their ratings and results showing "winner" and "runner up." There is also a short analysis comparing different features of Gionee Marathon M3 and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.