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| 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 | 5.84-inch | 5.50-inch | |
| Processor | Samsung Exynos 7904 | Qualcomm Snapdragon 636 | Qualcomm Snapdragon 630 | |
| Front Camera | 8-megapixel | 8-megapixel | 8-megapixel | |
| Rear Camera | 13-megapixel + 5-megapixel | 12-megapixel + 5-megapixel | 16-megapixel | |
| RAM | 3GB | 4GB | 3GB | |
| Storage | 32GB | 64GB | 32GB | |
| Battery Capacity | 5000mAh | 3060mAh | 3000mAh | |
| OS | Android 8.1 Oreo | Android 8.1 | Android 8.0 | |
| Resolution | 1080x2340 pixels | 1080x2280 pixels | 1080x1920 pixels | |
| general | ||||
| Brand | Samsung | Nokia | Nokia | |
| Model | Galaxy M20 | 7.1 | 6.1 | |
| Release date | January 1, 2019 | October 1, 2018 | January 1, 2018 | |
| Launched in India | Yes | Yes | - | |
| Form factor | Touchscreen | - | Touchscreen | |
| Battery capacity (mAh) | 5000 | 3060 | 3000 | |
| Removable battery | No | - | No | |
| Wireless charging | No | No | - | |
| Colours | Charcoal Black, Ocean Blue | Gloss Midnight Blue, Gloss Steel | Black and Silver | |
| Dimensions (mm) | - | 149.70 x 71.20 x 7.99 | 148.80 x 75.80 x 8.60 | |
| Weight (g) | - | 160.00 | 172.00 | |
| display | ||||
| Screen size (inches) | 6.30 | 5.84 | 5.50 | |
| Touchscreen | Yes | Yes | Yes | |
| Resolution | 1080x2340 pixels | 1080x2280 pixels | 1080x1920 pixels | |
| Aspect ratio | 19.5:9 | 19:9 | - | |
| hardware | ||||
| Processor | 1.6GHz octa-core (2x1.8GHz + 6x1.6GHz) | 1.8GHz octa-core | 2.2GHz octa-core | |
| Processor make | Samsung Exynos 7904 | Qualcomm Snapdragon 636 | Qualcomm Snapdragon 630 | |
| RAM | 3GB | 4GB | 3GB | |
| Internal storage | 32GB | 64GB | 32GB | |
| Expandable storage | Yes | Yes | Yes | |
| Expandable storage type | microSD | microSD | microSD | |
| Expandable storage up to (GB) | 512 | 400 | 128 | |
| Dedicated microSD slot | Yes | - | - | |
| camera | ||||
| Rear camera | 13-megapixel (f/1.9) + 5-megapixel (f/2.2) | 12-megapixel (f/1.8, 1.28-micron) + 5-megapixel (f/2.4, 1.12-micron) | 16-megapixel | |
| Rear autofocus | Yes | - | - | |
| Rear flash | Yes | - | Dual LED | |
| Front camera | 8-megapixel (f/2.0) | 8-megapixel (f/2.0) | 8-megapixel | |
| Front flash | No | - | - | |
| software | ||||
| Operating system | Android 8.1 Oreo | Android 8.1 | Android 8.0 | |
| Skin | Samsung Experience 9.5 UX | - | - | |
| connectivity | ||||
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 a/b/g/n/ac | 802.11 a/b/g/n | |
| GPS | Yes | Yes | Yes | |
| Bluetooth | Yes | Yes, v 5.00 | Yes, v 5.00 | |
| USB Type-C | Yes | Yes | - | |
| Micro-USB | No | - | - | |
| Headphones | 3.5mm | 3.5mm | 3.5mm | |
| Number of SIMs | 2 | 2 | 2 | |
| Wi-Fi | - | Yes | Yes | |
| FM | - | Yes | Yes | |
| NFC | - | - | Yes | |
| USB OTG | - | - | Yes | |
| Wi-Fi Direct | - | - | Yes | |
| sim 1 | ||||
| SIM Type | Nano-SIM | - | Nano-SIM | |
| GSM/CDMA | GSM | GSM | GSM | |
| 3G | Yes | - | Yes | |
| 4G/ LTE | Yes | - | Yes | |
| sim 2 | ||||
| SIM Type | Nano-SIM | - | Nano-SIM | |
| GSM/CDMA | GSM | - | GSM | |
| 3G | Yes | - | Yes | |
| 4G/ LTE | Yes | - | Yes | |
| sensors | ||||
| Face unlock | Yes | Yes | - | |
| Fingerprint sensor | Yes | Yes | - | |
| Proximity sensor | Yes | Yes | Yes | |
| Accelerometer | Yes | Yes | Yes | |
| Compass/ Magnetometer | - | Yes | Yes | |
| Ambient light sensor | - | Yes | Yes | |
| Gyroscope | - | Yes | Yes | |