| Local Name | Mi Note 3 |
| Technology | GSM / CDMA / HSPA / EVDO / LTE |
| 4G Bands | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) |
| 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 & TD-SCDMA |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 300/50 Mbps |
| GPRS | Yes |
| EDGE | Yes |
| Announced | 2017, September |
| Status | Available. Released 2017, September |
| Dimensions | 152.6 x 74 x 7.6 mm (6.01 x 2.91 x 0.30 in) |
| Weight | 163 g (5.75 oz) |
| Build | Front/back glass & aluminum frame |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| Display Type | IPS LCD capacitive touchscreen, 16M colors |
| Screen Size | 5.5 inches, 83.4 cm2 (~73.8% screen-to-body ratio) |
| Resolution | 1080 x 1920 pixels, 16:9 ratio (~401 ppi density) |
| Protection | Corning Gorilla Glass 4 |
| OS | Android 7.1 (Nougat), planned upgrade to Android 9.0 (Pie); MIUI 10 |
| Chipset | Qualcomm SDM660 Snapdragon 660 (14 nm) |
| CPU | Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) |
| GPU | Adreno 512 |
| Card Slot | No |
| Internal Memory | 64/128 GB, 6 GB RAM |
| Camera Features | Dual-LED dual-tone flash, HDR, panorama |
| Video | 1080p@30fps |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm Jack | No |
| Sound | 24-bit/192kHz audio Active noise cancellation with dedicated mic |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot |
| Bluetooth | 5.0, A2DP, LE |
| GPS | Yes, with A-GPS, GLONASS, BDS |
| NFC | Yes |
| Infrared Port | Yes |
| Radio | No |
| USB | Type-C 1.0 reversible connector |
| Sensors | Fingerprint (front-mounted), accelerometer, gyro, proximity, compass, barometer |
| Battery | Non-removable Li-Ion 3500 mAh battery |
| Colors | Black, Blue (128/6 only) |
