| Hardware and OS | OnePlus 8T 5G | |
| Operating system | Android 11, OxygenOS 11 | |
| Processor | Octa-core (1x2.84 GHz Kryo 585, 3x2.42 GHz Kryo 585, 4x1.8 GHz Kryo 585) | |
| GPU | Adreno 650 | |
| RAM | 12 GB | |
| Internal Storage | 256 GB | |
| Memory Card Slot | No | |
| User Interface | Yes | |
| Display | OnePlus 8T 5G | other phones |
| Type | Fluid AMOLED capacitive touchscreen | |
| Size | 6.55 inches | |
| Resolution | 1080 x 2400 pixels | |
| Colors | 16M Colors | |
| Pixel Density | 402 ppi | |
| Touchscreen | Yes | |
| Protection | Corning Gorilla Glass | |
| Features | Always-on display, | |
| Connectivity | OnePlus 8T 5G | other phones |
| 5G Network | 1, 3, 7, 28, 41, 78 SA/NSA - EU 1, 2, 3, 5, 25, 41, 66, 71 SA/NSA - NA 1, 3, 78 SA/NSA - IN 41, 78, 79 SA/NSA - CN | |
| 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, SBAS | |
| NFC | Yes | |
| USB | USB Type-C 3.1, USB On-The-Go | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat18 1200/200 Mbps, 5G 7.5 Gbps DL | |
| SIM | Nano SIM | |
| Dual SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Wireless Charging | No | |
| Camera | OnePlus 8T 5G | other phones |
| Main camera | 48 MP (wide), 16 MP (ultrawide), 5 MP (macro), 2 MP (depth) | |
| Features | Dual-LED flash, HDR, panorama | |
| Image | 2160p | |
| Selfie camera | 16 MP (wide) | |
| Multimedia | OnePlus 8T 5G | other phones |
| Loudspeaker | Yes | |
| Handsfree | Yes | |
| Radio | No | |
| Video Playback | Yes | |
| Video Out | Yes | |
| Ring Tones | Yes | |
| 3.5 mm Jack | No | |
| Design | OnePlus 8T 5G | other phones |
| Dimensions | 160.7 x 74.1 x 8.4 mm | |
| Waterproof | IP68 dust/water resistant (not for use underwater, liquid damage is not covered under warranty) | |
| Battery | OnePlus 8T 5G | other phones |
| Capacity | Li-Po 4500 mAh, Fast charging 65W, 100% in 39 min (advertised) | |
| Placement | Non-Removable | |
| Other | OnePlus 8T 5G | other phones |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, barometer (market dependant), | |