Performance: It has the bestest performance in comparison to others as it has got a biggest RAM too of 6 GB
Customer Service : oppo is new brand and it will take a little time to provide a faster service to its consumers.
Camera: Awesome camera but not better than sony and apple.
Overall Review : Processor and Ram has a plus point in this device and it has a clear sound and vibrant resolution too You can play heavy games without any lag. BUY THIS DEVICE BLINDLY.