Side By Side Comparison of Lenovo K3 and ZTE Blade D2. Compare Processor, display, RAM, Storage and other features here. You can quickly compare Lenovo K3 and ZTE Blade D2 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 K3 and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.