Side By Side Comparison of iBall Cobalt Oomph 4.7D and LG K5. Compare Processor, display, RAM, Storage and other features here. You can quickly compare iBall Cobalt Oomph 4.7D 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 iBall Cobalt Oomph 4.7D and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.