Side By Side Comparison of Lenovo S720 and Acer Liquid M220. Compare Processor, display, RAM, Storage and other features here. You can quickly compare Lenovo S720 and Acer Liquid M220 smartphones just by looking at their ratings and results showing "winner" and "runner up." There is also a short analysis comparing different features of Lenovo S720 and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.