Side By Side Comparison of Acer Liquid Z330 and LG K4. Compare Processor, display, RAM, Storage and other features here. You can quickly compare Acer Liquid Z330 and LG K4 smartphones just by looking at their ratings and results showing "winner" and "runner up." There is also a short analysis comparing different features of Acer Liquid Z330 and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.