Side By Side Comparison of Oppo 3000 and Oppo R3. Compare Processor, display, RAM, Storage and other features here. You can quickly compare Oppo 3000 and Oppo R3 smartphones just by looking at their ratings and results showing "winner" and "runner up." There is also a short analysis comparing different features of Oppo 3000 and . You can also look at each hardware feature individually to perform your analysis while comparing mobile phones.