| key specs |
| Display | 6.39-inch | 6.40-inch | 6.39-inch | 5.80-inch |
| Processor | Qualcomm Snapdragon 855 | Samsung Exynos 9820 | Qualcomm Snapdragon 855 | Apple A12 Bionic |
| Front Camera | 20-megapixel | 10-megapixel + 8-megapixel | 20-megapixel | 7-megapixel |
| Rear Camera | 48-megapixel + 12-megapixel + 16-megapixel | 12-megapixel + 12-megapixel + 16-megapixel | 48-megapixel + 12-megapixel + 16-megapixel | 12-megapixel + 12-megapixel |
| RAM | 12GB | 8GB | 6GB | - |
| Storage | 128GB | 128GB | 128GB | 64GB |
| Battery Capacity | 3300mAh | 4100mAh | 3300mAh | - |
| OS | Android 9.0 | Android 9.0 | Android 9.0 | iOS 12 |
| Resolution | 1080x2340 pixels | - | 1080x2340 pixels | 1125x2436 pixels |
| general |
| Brand | Xiaomi | Samsung | Xiaomi | Apple |
| Model | Mi 9 Transparent Edition | Galaxy S10+ | Mi 9 | iPhone XS |
| Release date | February 1, 2019 | February 1, 2019 | February 1, 2019 | September 1, 2018 |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 157.50 x 74.67 x 7.61 | 157.60 x 74.10 x 7.80 | 157.50 x 74.67 x 7.61 | 143.60 x 70.90 x 7.70 |
| Weight (g) | 173.00 | 175.00 | 173.00 | 177.00 |
| Battery capacity (mAh) | 3300 | 4100 | 3300 | - |
| Fast charging | Proprietary | Proprietary | Proprietary | Proprietary |
| Wireless charging | Yes | Yes | Yes | Yes |
| Removable battery | - | No | - | No |
| Colours | - | Ceramic Black, Ceramic White, Prism Black, Prism Blue, Prism Green, Prism White, | Deep Grey, Holographic Illusion Blue, Holographic Illusion | Space Grey, Silver, Gold |
| SAR value | - | 0.35 | - | - |
| Launched in India | - | - | - | Yes |
| IP rating | - | - | - | IP68 |
| display |
| Screen size (inches) | 6.39 | 6.40 | 6.39 | 5.80 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 1080x2340 pixels | - | 1080x2340 pixels | 1125x2436 pixels |
| Protection type | Gorilla Glass | - | Gorilla Glass | Other |
| Aspect ratio | 19.5:9 | 19:9 | 19.5:9 | - |
| Pixels per inch (PPI) | - | - | - | 458 |
| hardware |
| Processor | octa-core | 1.9GHz octa-core | 2.84GHz octa-core | hexa-core |
| Processor make | Qualcomm Snapdragon 855 | Samsung Exynos 9820 | Qualcomm Snapdragon 855 | Apple A12 Bionic |
| RAM | 12GB | 8GB | 6GB | - |
| Internal storage | 128GB | 128GB | 128GB | 64GB |
| Expandable storage | - | Yes | - | No |
| Expandable storage type | - | microSD | - | - |
| Expandable storage up to (GB) | - | 512 | - | - |
| camera |
| Rear camera | 48-megapixel (f/1.47, 0.8-micron) + 12-megapixel (f/2.2, 1.0-micron) + 16-megapixel (f/2.2, 1.0-micron) | 12-megapixel (f/1.5) + 12-megapixel (f/2.4) + 16-megapixel (f/2.2) | 48-megapixel (f/1.75, 0.8-micron) + 12-megapixel (f/2.2, 1.0-micron) + 16-megapixel (f/2.2, 1.0-micron) | 12-megapixel (f/1.8, 1.4-micron) + 12-megapixel (f/2.4) |
| Rear autofocus | Yes | Phase detection autofocus | Yes | Yes |
| Rear flash | Yes | - | Yes | Yes |
| Front camera | 20-megapixel (f/2.0, 0.9-micron) | 10-megapixel (f/1.9) + 8-megapixel (f/2.2) | 20-megapixel (f/2.0, 0.9-micron) | 7-megapixel (f/2.2) |
| Front autofocus | - | Yes | - | - |
| software |
| Operating system | Android 9.0 | Android 9.0 | Android 9.0 | iOS 12 |
| Skin | MIUI | One UI | MIUI 10 | - |
| 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/ax | 802.11 a/b/g/n/ac | 802.11 a/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 | Yes | Yes | Yes |
| USB Type-C | Yes | Yes | Yes | - |
| Number of SIMs | 2 | 2 | 2 | 2 |
| Headphones | - | 3.5mm | - | Lightning |
| Active 4G on both SIM cards | - | Yes | - | Yes |
| Lightning | - | - | - | Yes |
| sim 1 |
| SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | Nano-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes | Yes |
| sim 2 |
| SIM Type | Nano-SIM | Nano-SIM | Nano-SIM | eSIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes | Yes |
| sensors |
| Face unlock | Yes | Yes | Yes | Yes |
| 3D face recognition | Yes | - | Yes | Yes |
| Fingerprint sensor | Yes | Yes | Yes | No |
| 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 |
| Barometer | - | Yes | - | Yes |
| ratings |
| Overall NDTV Rating | - | Read Review | - | Read Review |
| Design Rating | - | | - | |
| Display Rating | - | | - | |
| Software Rating | - | | - | |
| Performance Rating | - | | - | |
| Battery Life Rating | - | | - | |
| Camera Rating | - | | - | |
| Value for Money Rating | - | | - | |