Here is a quick breakdown of what they offer, some of which are common to them all, while each model has its own unique specs and features. We start with what they all have in common. All three of them run OxygenOS 11, which is based on Android 11. All three of them have 120Hz AMOLED displays. All three have 8GB and 12GB RAM options, and 128GB and 256GB internal storage. As such, each of them has an 8GB/128GB and 12GB/256GB variant. All three of them have a 4500mAh battery and 65W fast charging. All three of them have a 48MP Sony main camera lens, though the specific sensors differ.
Differences between OnePlus 9, OnePlus 9 Pro, and OnePlus 9R
Here are the differences between these three smartphones. The OnePlus 9 Pro is the top tier device. It has the largest display at 6.7 inches and has a higher screen resolution as well. It also has an IP68 water and dust-proof rating. It is powered by a Qualcomm Snapdragon 888 chipset. In the camera department, the 9 Pro has a Hasselblad quad camera setup at the back. It comprises a 48MP main lens, 50MP ultrawide lens, 8MP telephoto lens, and a 2MP monochrome lens. At the front is a 16MP EIS-enabled selfie camera. In addition to 65W fast charge, it also has 50W fast wireless charging. The OnePlus 9 has a 6.55″ display. Its main camera is also in partnership with Hasselblad and comprises four lens – a 48MP main lens, 16MP ultrawide lens, 8MP macro and 2MP monochrome. The front camera is a 16MP snapper as well. Like its Pro sibling, the 9 is also powered by a Qualcomm Snapdragon 888 chipset. Lastly, the OnePlus 9R is the budget baby of the three. It has a 6.55″ Fluid AMOLED display just like the vanilla 9. Powered by a Snapdragon 870 chipset, it has a quad-camera without a Hasselblad input or label. It does not have wireless charging though. Pre-orders for the 9R begin in April 2021. You can check the full specifications of the OnePlus 9 series.