| Local Name | Redmi Note 9 5G |
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| 4G Bands | 1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | CDMA2000 1xEV-DO |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | CDMA 800 |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A, 5G |
| Announced | 2020, November 26 |
| Status | Available. Released 2020, December 01 |
| Dimensions | 162 x 77.3 x 9.2 mm (6.38 x 3.04 x 0.36 in) |
| Weight | 199 g (7.02 oz) |
| Build | Glass front (Gorilla Glass 5), plastic back |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Body | Water-repellent coating |
| Display Type | Li-Po 5000 mAh, non-removable |
| Screen Size | 6.53 inches, 104.7 cm2 (~83.6% screen-to-body ratio) |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) |
| Protection | Corning Gorilla Glass 5 |
| OS | Android 10, MIUI 12 |
| Chipset | MediaTek MT6853 Dimensity 800U 5G (7 nm) |
| CPU | Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| GPU | Mali-G57 MC3 |
| Card Slot | microSDXC (dedicated slot) |
| Internal Memory | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM | UFS 2.2 |
| Camera Features | LED flash, HDR, panorama |
| Video | 1080p@30fps |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | Yes |
| Sound | 24-bit/192kHz audio |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| Bluetooth | 5.1, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS, QZSS |
| NFC | No |
| Infrared Port | Yes |
| Radio | Unspecified |
| USB | USB Type-C 2.0 |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Colors | Gray, Green, Violet |
