| 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 | | | - | |
| key specs |
| Display | 6.30-inch | 6.22-inch | 6.39-inch | 6.40-inch |
| Processor | Samsung Exynos 7904 | Samsung Exynos 7 Octa 7870 | Qualcomm Snapdragon 855 | Samsung Exynos 7904 |
| Front Camera | 8-megapixel | 5-megapixel | 20-megapixel | 16-megapixel |
| Rear Camera | 13-megapixel + 5-megapixel | 13-megapixel + 5-megapixel | 48-megapixel + 12-megapixel + 16-megapixel | 13-megapixel + 5-megapixel + 5-megapixel |
| RAM | 3GB | 3GB | 6GB | 4GB |
| Storage | 32GB | 32GB | 128GB | 64GB |
| Battery Capacity | 5000mAh | 3400mAh | 3300mAh | 5000mAh |
| OS | Android 8.1 Oreo | Android 8.1 Oreo | Android 9.0 | Android 8.1 Oreo |
| Resolution | 1080x2340 pixels | 720x1520 pixels | 1080x2340 pixels | 1080x2340 pixels |
| general |
| Brand | Samsung | Samsung | Xiaomi | Samsung |
| Model | Galaxy M20 | Galaxy M10 | Mi 9 | Galaxy M30 |
| Release date | January 1, 2019 | January 1, 2019 | February 1, 2019 | February 1, 2019 |
| Launched in India | Yes | Yes | - | Yes |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Battery capacity (mAh) | 5000 | 3400 | 3300 | 5000 |
| Removable battery | No | No | - | - |
| Wireless charging | No | No | Yes | - |
| Colours | Charcoal Black, Ocean Blue | Charcoal Black, Ocean Blue | Deep Grey, Holographic Illusion Blue, Holographic Illusion | - |
| Dimensions (mm) | - | 155.60 x 75.60 x 7.70 | 157.50 x 74.67 x 7.61 | - |
| Weight (g) | - | 163.00 | 173.00 | - |
| SAR value | - | 0.24 | - | - |
| Fast charging | - | - | Proprietary | Proprietary |
| display |
| Screen size (inches) | 6.30 | 6.22 | 6.39 | 6.40 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 1080x2340 pixels | 720x1520 pixels | 1080x2340 pixels | 1080x2340 pixels |
| Aspect ratio | 19.5:9 | 19:9 | 19.5:9 | 19.5:9 |
| Protection type | - | - | Gorilla Glass | - |
| hardware |
| Processor | 1.6GHz octa-core (2x1.8GHz + 6x1.6GHz) | 1.6GHz octa-core | 2.84GHz octa-core | 1.6GHz octa-core (2x1.8GHz + 6x1.6GHz) |
| Processor make | Samsung Exynos 7904 | Samsung Exynos 7 Octa 7870 | Qualcomm Snapdragon 855 | Samsung Exynos 7904 |
| RAM | 3GB | 3GB | 6GB | 4GB |
| Internal storage | 32GB | 32GB | 128GB | 64GB |
| Expandable storage | Yes | Yes | - | Yes |
| Expandable storage type | microSD | microSD | - | microSD |
| Expandable storage up to (GB) | 512 | - | - | 512 |
| Dedicated microSD slot | Yes | Yes | - | Yes |
| camera |
| Rear camera | 13-megapixel (f/1.9) + 5-megapixel (f/2.2) | 13-megapixel (f/1.9) + 5-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) | 13-megapixel (f/1.9) + 5-megapixel (f/2.2) + 5-megapixel (f/2.2) |
| Rear autofocus | Yes | Yes | Yes | - |
| Rear flash | Yes | Yes | Yes | - |
| Front camera | 8-megapixel (f/2.0) | 5-megapixel (f/2.0) | 20-megapixel (f/2.0, 0.9-micron) | 16-megapixel (f/2.0) |
| Front flash | No | - | - | - |
| software |
| Operating system | Android 8.1 Oreo | Android 8.1 Oreo | Android 9.0 | Android 8.1 Oreo |
| Skin | Samsung Experience 9.5 UX | Samsung Experience 9.5 UX | MIUI 10 | Samsung Experience v9.5 |
| connectivity |
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes | Yes | Yes, v 5.00 | Yes, v 5.00 |
| USB Type-C | Yes | No | Yes | Yes |
| Micro-USB | No | Yes | - | Yes |
| Headphones | 3.5mm | 3.5mm | - | - |
| Number of SIMs | 2 | 2 | 2 | 2 |
| Wi-Fi | - | Yes | Yes | Yes |
| FM | - | Yes | - | - |
| Active 4G on both SIM cards | - | Yes | - | Yes |
| NFC | - | - | 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 | Nano-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes | Yes |
| sensors |
| Face unlock | Yes | Yes | Yes | Yes |
| Fingerprint sensor | Yes | No | Yes | Yes |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Compass/ Magnetometer | - | No | Yes | Yes |
| 3D face recognition | - | - | Yes | - |
| Ambient light sensor | - | - | Yes | Yes |
| Gyroscope | - | - | Yes | - |