Side By Side Comparison of ZTE Nubia Z7 Max and Umi Hammer. Compare Processor, display, RAM, Storage and other features here. You can quickly compare ZTE Nubia Z7 Max and Umi Hammer smartphones just by looking at their ratings and results showing "winner" and "runner up." There is also a short analysis comparing different features of ZTE Nubia Z7 Max and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.