| Hardware and OS | Oneplus 9RT | |
| Operating system | Android 11, OxygenOS 11 | |
| Processor | Octa-core (1x3.2 GHz Kryo 585, 3x2.42 GHz Kryo 585, 4x1.80 GHz Kryo 585) | |
| GPU | Adreno 650 | |
| RAM | 8 GB, 12 GB | |
| Internal Storage | 128 GB, 256 GB | |
| Memory Card Slot | No | |
| User Interface | Yes | |
| Display | Oneplus 9RT | other phones |
| Type | Fluid AMOLED | |
| Size | 6.55 inches | |
| Resolution | 1080 x 2400 pixels | |
| Colors | 16M Colors | |
| Pixel Density | 402 ppi | |
| Touchscreen | Yes | |
| Protection | Corning Gorilla Glass 5 | |
| Features | Always-on display, | |
| Connectivity | Oneplus 9RT | other phones |
| 4G Network | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 34, 38, 39, 40, 41, 46 | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, DLNA, hotspot | |
| GPS | Yes, with dual-band A-GPS, GLONASS, BDS, GALILEO | |
| NFC | Yes | |
| USB | USB Type-C 3.1, USB On-The-Go | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (CA) Cat18 1200/200 Mbps, 5G | |
| SIM | Nano SIM | |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Wireless Charging | No | |
| Camera | Oneplus 9RT | other phones |
| Main camera | 50 MP (wide), 16 MP (ultrawide), 5 MP (macro), 2 MP (depth) | |
| Features | Dual-LED flash, HDR, panorama | |
| Image | 2160p | |
| Selfie camera | 20 MP (wide) | |
| Multimedia | Oneplus 9RT | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | No | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | No | |
| Design | Oneplus 9RT | other phones |
| Dimensions | 161 x 74.1 x 8.4 mm | |
| Waterproof | No | |
| Weight | 189 g | |
| Battery | Oneplus 9RT | other phones |
| Capacity | Li-Po 4500 mAh | |
| Placement | Non-Removable | |
| Other | Oneplus 9RT | other phones |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, | |
