| Local Name | Poco X3 GT |
| Technology | GSM / HSPA / LTE / 5G |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28, 38, 40, 41, 42 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G |
| Announced | 2021, July 28 |
| Status | Available. Released 2021, August 19 |
| Dimensions | 163.3 x 75.9 x 8.9 mm (6.43 x 2.99 x 0.35 in) |
| Weight | 193 g (6.81 oz) |
| Build | Glass front (Gorilla Glass Victus), plastic back |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Body | IP53, dust and splash protection |
| Display Type | Li-Po 5000 mAh, non-removable |
| Screen Size | 6.6 inches, 105.2 cm2 (~84.9% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~399 ppi density) |
| Protection | Corning Gorilla Glass Victus |
| OS | Android 11, MIUI 12.5 for POCO |
| Chipset | MediaTek MT6891Z Dimensity 1100 5G (6 nm) |
| CPU | Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) |
| GPU | Mali-G77 MC9 |
| Card Slot | No |
| Internal Memory | 128GB 8GB RAM, 256GB 8GB RAM | UFS 3.1 |
| Camera Features | LED flash, HDR, panorama |
| Video | 1080p@30fps, 720p@120fps, 960fps |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
| Sound | 24-bit/192kHz audio Tuned by JBL |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.2, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| NFC | Yes (market/region dependent) |
| Infrared Port | Yes |
| Radio | No |
| USB | USB Type-C 2.0 |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, compass, color spectrum |
| Features Summary | Virtual proximity sensing |
| Colors | Stargaze Black, Wave Blue, Cloud White |
| SAR EU | 0.58 W/kg (head) 0.94 W/kg (body) |
