| Hardware and OS Realme Q3t | Realme Q3T | |
| Operating system | Android 11, Realme UI 2.0 | |
| Processor | Octa-core (4x2.4 GHz Kryo 670 & 4x1.9 GHz Kryo 670) | |
| Chipset | Qualcomm SM7325 Snapdragon 778G 5G (6 nm) | |
| GPU | Adreno 642L | |
| Internal memory | 256GB 8GB RAM | |
| External memory | Unspecified | |
| Display Realme Q3t | Realme Q3T | other phones |
| Type | IPS LCD, 144Hz, 600 nits | |
| Size | 6.6 inches, 104.8 cm2 | |
| Resolution | 1080 x 2412 pixels, 20:9 ratio | |
| Colors | Aurora, Dark Blue | |
| Design Realme Q3t | Realme Q3T | other phones |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Dimensions | - | |
| Weight | - | |
| Connectivity Realme Q3t | Realme Q3T | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| 4G Network | LTE (unspecified) | |
| 5G Network | SA/NSA | |
| 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, BDS, GALILEO, QZSS | |
| NFC | No | |
| USB | USB Type-C 2.0, USB On-The-Go | |
| CDMA | CDMA 800 | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G | |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G | |
| Main Camera Realme Q3t | Realme Q3T | other phones |
| Camera | 48 MP, f/1.8, 26mm (wide), PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth) | |
| Features | LED flash, HDR, panorama | |
| Video | 4K@30fps, 1080p@30/60fps | |
| Selfie camera Realme Q3t | Realme Q3T | other phones |
| Camera | 16 MP, f/2.1, 26mm (wide) | |
| Features | HDR, panorama | |
| Video | 1080p@30fps | |
| Multimedia Realme Q3t | Realme Q3T | other phones |
| Radio | No | |
| Multimedia | 24-bit/192kHz audio | |
| 3.5 mm Jack | Yes | |
| Loudspeaker | Yes | |
| Features Realme Q3t | Realme Q3T | other phones |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | |
| Battery Realme Q3t | Realme Q3T | other phones |
| Type | Li-Po 5000 mAh, non-removable | |
| Charging | Fast charging 30W, 50% in 25 min (advertised) | |
