| key specs |
| Display | 6.39-inch | 5.88-inch | 6.21-inch | 5.15-inch |
| Processor | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 710 | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 835 |
| Front Camera | 24-megapixel + 2-megapixel | 20-megapixel | 20-megapixel | 8-megapixel |
| Rear Camera | 12-megapixel + 12-megapixel | 12-megapixel | 12-megapixel + 12-megapixel | 12-megapixel + 12-megapixel |
| RAM | 6GB | 4GB | 6GB | 6GB |
| Storage | 128GB | 64GB | 64GB | 64GB |
| Battery Capacity | 3850mAh | 3120mAh | 3400mAh | 3350mAh |
| OS | Android 8.1 | Android Oreo | Android Oreo | Android |
| Resolution | 1080x2340 pixels | 1080x2244 pixels | 1080x2248 pixels | 1080x1920 pixels |
| general |
| Brand | Xiaomi | Xiaomi | Xiaomi | Xiaomi |
| Model | Mi Mix 3 | Mi 8 SE | Mi 8 | Mi 6 |
| Release date | October 1, 2018 | May 1, 2018 | May 1, 2018 | April 1, 2017 |
| Launched in India | No | - | - | - |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 157.89 x 74.69 x 8.46 | 147.28 x 73.09 x 7.50 | 154.90 x 74.80 x 7.60 | 145.17 x 70.49 x 7.45 |
| Weight (g) | 218.00 | 164.00 | 175.00 | 182.00 |
| Battery capacity (mAh) | 3850 | 3120 | 3400 | 3350 |
| Removable battery | No | - | - | No |
| Fast charging | Proprietary | - | - | Quick Charge 3.0 |
| Wireless charging | Yes | - | - | - |
| Colours | Jade Green, Onyx Black, Sapphire Blue | Bright Red, Bright Blue, Dark Grey, Gold | White, Gold, Light Blue, Black | Black, White, Blue, Silver |
| display |
| Screen size (inches) | 6.39 | 5.88 | 6.21 | 5.15 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 1080x2340 pixels | 1080x2244 pixels | 1080x2248 pixels | 1080x1920 pixels |
| Aspect ratio | 19.5:9 | 18.7:9 | 18.7:9 | 16:9 |
| Pixels per inch (PPI) | - | 423 | 402 | 428 |
| Protection type | - | - | - | Gorilla Glass |
| hardware |
| Processor | octa-core | octa-core | octa-core (4x2.8GHz + 4x1.8GHz) | octa-core (4x2.45GHz + 4x1.9GHz) |
| Processor make | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 710 | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 835 |
| RAM | 6GB | 4GB | 6GB | 6GB |
| Internal storage | 128GB | 64GB | 64GB | 64GB |
| Expandable storage | No | - | - | No |
| camera |
| Rear camera | 12-megapixel (f/1.8, 1.4-micron) + 12-megapixel (f/2.4, 1-micron) | 12-megapixel (f/1.9) | 12-megapixel (f/1.8, 1.4-micron) + 12-megapixel (f/2.4, 1.0-micron) | 12-megapixel (f/1.8, 1.25-micron) + 12-megapixel (f/1.6, 2.0-micron) |
| Rear autofocus | Phase detection autofocus | - | Phase detection autofocus | Phase detection autofocus |
| Rear flash | Dual LED | Dual LED | Dual LED | Dual LED |
| Front camera | 24-megapixel (1.8-micron) + 2-megapixel | 20-megapixel | 20-megapixel (f/2.0, 0.9-micron) | 8-megapixel |
| Pop-Up Camera | Yes | - | - | - |
| Front flash | Yes | - | - | - |
| software |
| Operating system | Android 8.1 | Android Oreo | Android Oreo | Android |
| Skin | MIUI 10 | MIUI 10 | MIUI 10 | MIUI |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac | 802.11 b/g/n/ac |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 | Yes, v 5.00 | Yes, v 5.00 |
| NFC | Yes | No | Yes | Yes |
| Number of SIMs | 2 | - | 2 | 2 |
| Active 4G on both SIM cards | Yes | - | - | - |
| USB OTG | - | Yes | Yes | No |
| USB Type-C | - | Yes | Yes | Yes |
| Infrared | - | - | - | No |
| Headphones | - | - | - | 3.5mm |
| FM | - | - | - | Yes |
| Wi-Fi Direct | - | - | - | Yes |
| Mobile High-Definition Link (MHL) | - | - | - | No |
| sim 1 |
| SIM Type | Nano-SIM | - | Nano-SIM | Micro-SIM |
| GSM/CDMA | GSM | - | GSM | GSM |
| 3G | Yes | - | Yes | Yes |
| 4G/ LTE | Yes | - | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | - | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | - | GSM | GSM |
| 3G | Yes | - | Yes | Yes |
| 4G/ LTE | Yes | - | Yes | Yes |
| sensors |
| Fingerprint sensor | Yes | Yes | Yes | Yes |
| Compass/ Magnetometer | Yes | Yes | Yes | Yes |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | Yes | Yes | Yes |
| Gyroscope | Yes | Yes | Yes | Yes |
| Face unlock | - | - | Yes | - |
| Barometer | - | - | Yes | No |
| Temperature sensor | - | - | - | No |