OnePlus 9 Pro 256GB comes with a Fluid AMOLED bezel-less display, featuring 526ppi pixel density, a 20:9 aspect ratio and a refresh rate of 120Hz. The front screen is protected by Corning Gorilla Glass and gets a screen resolution of 1440 x 3216 pixels. A punch-hole setup houses the selfie shooter.
The Quad Camera setup (48MP f/1.8 Wide Angle Primary Camera + 50MP f/2.2 Ultra-Wide Angle Camera + 8MP f/2.4 Telephoto Camera + 2 MP f/2.4 Mono Camera) on the rear side of the smartphone receives specs like Continuous autofocus, Exmor-RS CMOS Sensor, Laser autofocus, Dual LED Flash, Phase Detection autofocus, OIS, Digital Zoom, Face detection, HDR mode, Auto Flash, etc. A 16MP f/2.4 Wide Angle Primary Camera with Exmor RS Sensor is placed on the front.
OnePlus 9 Pro 256GB is equipped with an Octa-core (Single-core, 2.84GHz, Kryo 680 + Tri-core, 2.42GHz, Kryo 680 + Quad-core, 1.8GHz, Kryo 680) processor followed by an Adreno 660 GPU, 12GB LPDDR5 type RAM, and a Qualcomm Snapdragon 888 chipset. The entire processor configuration is quite impressive offering a consistent user experience.
A non-replaceable 4500mAh Li-ion battery gets placed inside the smartphone, supported by the 65W Warp Charging mechanism.
The smartphone features a massive but restricted 256GB UFS 3.1 type internal storage. A-GPS Glonass, USB Type-C, NFC, Wi-Fi, 5G, 4G VoLTE networks, Mobile Hotspot, Bluetooth v5.2, etc., are some of the connectivity options featured by the device.