| key specs |
| Display | 5.99-inch | 6.28-inch | 6.20-inch | 5.80-inch |
| Processor | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 845 | Samsung Exynos 8895 | Samsung Exynos 8895 |
| Front Camera | 5-megapixel | 16-megapixel | 8-megapixel | 8-megapixel |
| Rear Camera | 12-megapixel | 16-megapixel + 20-megapixel | 12-megapixel | 12-megapixel |
| RAM | 6GB | 8GB | 4GB | 4GB |
| Storage | 64GB | 128GB | 64GB | 64GB |
| Battery Capacity | 3400mAh | 3300mAh | 3500mAh | 3000mAh |
| OS | Android | Android 8.1 Oreo | Android 7.0 | Android 7.0 |
| Resolution | 1080x2160 pixels | 1080x2280 pixels | 1440x2960 pixels | 1440x2960 pixels |
| general |
| Brand | Xiaomi | OnePlus | Samsung | Samsung |
| Model | Mi MIX 2S | 6 | Galaxy S8+ | Galaxy S8 |
| Release date | March 1, 2018 | May 1, 2018 | March 1, 2017 | March 1, 2017 |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 150.86 x 74.90 x 8.10 | 155.70 x 75.40 x 7.75 | 159.50 x 73.40 x 8.10 | 148.90 x 68.10 x 8.00 |
| Weight (g) | 189.00 | 177.00 | 173.00 | 155.00 |
| Battery capacity (mAh) | 3400 | 3300 | 3500 | 3000 |
| Removable battery | No | No | No | No |
| Colours | Black, White | Mirror Black, Midnight Black, Silk White | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold | Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold |
| Launched in India | - | Yes | - | Yes |
| Fast charging | - | - | - | Quick Charge 2.0 |
| display |
| Screen size (inches) | 5.99 | 6.28 | 6.20 | 5.80 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 1080x2160 pixels | 1080x2280 pixels | 1440x2960 pixels | 1440x2960 pixels |
| Pixels per inch (PPI) | 403 | 402 | 529 | 570 |
| Protection type | - | Gorilla Glass | - | Gorilla Glass |
| Aspect ratio | - | 19:9 | - | 18.5:9 |
| hardware |
| Processor | 2.8GHz octa-core | 2.8GHz octa-core (4x2.8GHz + 4x1.7GHz) | 1.9GHz octa-core | octa-core (4x2.35GHz + 4x1.9GHz) |
| Processor make | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 845 | Samsung Exynos 8895 | Samsung Exynos 8895 |
| RAM | 6GB | 8GB | 4GB | 4GB |
| Internal storage | 64GB | 128GB | 64GB | 64GB |
| Expandable storage | No | No | Yes | Yes |
| Expandable storage up to (GB) | - | - | 256 | 256 |
| Expandable storage type | - | - | - | microSD |
| camera |
| Rear camera | 12-megapixel | 16-megapixel (f/1.7, 1.22-micron) + 20-megapixel (f/1.7, 1.0-micron) | 12-megapixel | 12-megapixel (f/1.7, 1.4-micron) |
| Front camera | 5-megapixel | 16-megapixel (f/2.0, 1.0-micron) | 8-megapixel | 8-megapixel (f/1.7, 1.22-micron) |
| Rear autofocus | - | Phase detection autofocus | - | Phase detection autofocus |
| Rear flash | - | Dual LED | Dual LED | Dual LED |
| Front autofocus | - | - | - | Yes |
| software |
| Operating system | Android | Android 8.1 Oreo | Android 7.0 | Android 7.0 |
| Skin | MIUI | OxygenOS 5.1 | - | - |
| 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 a/b/g/n/ac |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 | Yes | Yes |
| NFC | Yes | Yes | Yes | Yes |
| USB OTG | Yes | Yes | Yes | No |
| Infrared | - | No | No | No |
| USB Type-C | - | Yes | - | Yes |
| Headphones | - | 3.5mm | 3.5mm | 3.5mm |
| Number of SIMs | - | 2 | 1 | 1 |
| FM | - | - | No | No |
| Wi-Fi Direct | - | - | No | No |
| Mobile High-Definition Link (MHL) | - | - | No | No |
| sensors |
| 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 | Yes |
| Face unlock | - | Yes | - | - |
| Fingerprint sensor | - | Yes | - | Yes |
| Temperature sensor | - | - | No | No |
| ratings |
| Overall NDTV Rating | - | Read Review | Read Review | Read Review |
| Design Rating | - | | | |
| Display Rating | - | | | |
| Software Rating | - | | | |
| Performance Rating | - | | | |
| Battery Life Rating | - | | | |
| Camera Rating | - | | | |
| Value for Money Rating | - | | | |
| sim 1 |
| SIM Type | - | Nano-SIM | - | - |
| GSM/CDMA | - | GSM | GSM | GSM |
| 3G | - | Yes | Yes | Yes |
| 4G/ LTE | - | Yes | Yes | Yes |
| sim 2 |
| SIM Type | - | Nano-SIM | - | - |
| GSM/CDMA | - | GSM | - | - |
| 3G | - | Yes | - | - |
| 4G/ LTE | - | Yes | - | - |