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| key specs | ||||
| Display | 6.40-inch | 6.30-inch | 5.84-inch | |
| Processor | Samsung Exynos 7884 | Samsung Exynos 7904 | Qualcomm Snapdragon 625 | |
| Front Camera | 8-megapixel | 8-megapixel | 5-megapixel | |
| Rear Camera | 13-megapixel + 5-megapixel | 13-megapixel + 5-megapixel | 12-megapixel + 5-megapixel | |
| RAM | 3GB | 3GB | 4GB | |
| Storage | 32GB | 32GB | 64GB | |
| Battery Capacity | 4000mAh | 5000mAh | 4000mAh | |
| OS | Android | Android 8.1 Oreo | Android 8.1 Oreo | |
| Resolution | 720x1560 pixels | 1080x2340 pixels | 1080x2280 pixels | |
| general | ||||
| Brand | Samsung | Samsung | Xiaomi | |
| Model | Galaxy A20 | Galaxy M20 | Redmi 6 Pro | |
| Release date | March 1, 2019 | January 1, 2019 | September 1, 2018 | |
| Launched in India | No | Yes | Yes | |
| Form factor | Touchscreen | Touchscreen | Touchscreen | |
| Dimensions (mm) | 158.40 x 74.70 x 7.80 | - | 149.33 x 71.68 x 8.75 | |
| Battery capacity (mAh) | 4000 | 5000 | 4000 | |
| Removable battery | - | No | No | |
| Wireless charging | - | No | No | |
| Colours | - | Charcoal Black, Ocean Blue | Gold, Blue, Black, Red | |
| Body type | - | - | Metal | |
| Weight (g) | - | - | 178.00 | |
| SAR value | - | - | 0.96 | |
| display | ||||
| Screen size (inches) | 6.40 | 6.30 | 5.84 | |
| Touchscreen | Yes | Yes | Yes | |
| Resolution | 720x1560 pixels | 1080x2340 pixels | 1080x2280 pixels | |
| Aspect ratio | - | 19.5:9 | 19:9 | |
| Pixels per inch (PPI) | - | - | 432 | |
| hardware | ||||
| Processor | octa-core (2x1.6GHz + 6x1.35GHz) | 1.6GHz octa-core (2x1.8GHz + 6x1.6GHz) | 2GHz octa-core (8x2GHz) | |
| Processor make | Samsung Exynos 7884 | Samsung Exynos 7904 | Qualcomm Snapdragon 625 | |
| RAM | 3GB | 3GB | 4GB | |
| Internal storage | 32GB | 32GB | 64GB | |
| Expandable storage | Yes | Yes | Yes | |
| Expandable storage type | microSD | microSD | microSD | |
| Expandable storage up to (GB) | 512 | 512 | 256 | |
| Dedicated microSD slot | - | 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) | 12-megapixel (f/2.2, 1.25-micron) + 5-megapixel | |
| Rear flash | Yes | Yes | LED | |
| Front camera | 8-megapixel (f/2.0) | 8-megapixel (f/2.0) | 5-megapixel | |
| Rear autofocus | - | Yes | Phase detection autofocus | |
| Front flash | - | No | No | |
| software | ||||
| Operating system | Android | Android 8.1 Oreo | Android 8.1 Oreo | |
| Skin | - | Samsung Experience 9.5 UX | MIUI 9.6 | |
| connectivity | ||||
| Wi-Fi | Yes | - | Yes | |
| Bluetooth | Yes | Yes | Yes, v 4.20 | |
| Wi-Fi standards supported | - | 802.11 b/g/n | 802.11 a/b/g/n | |
| GPS | - | Yes | Yes | |
| USB Type-C | - | Yes | No | |
| Micro-USB | - | No | Yes | |
| Headphones | - | 3.5mm | 3.5mm | |
| Number of SIMs | - | 2 | 2 | |
| NFC | - | - | No | |
| Infrared | - | - | Yes | |
| USB OTG | - | - | Yes | |
| FM | - | - | Yes | |
| Active 4G on both SIM cards | - | - | No | |
| sensors | ||||
| Fingerprint sensor | Yes | Yes | Yes | |
| Face unlock | - | Yes | Yes | |
| Proximity sensor | - | Yes | Yes | |
| Accelerometer | - | Yes | Yes | |
| 3D face recognition | - | - | No | |
| Compass/ Magnetometer | - | - | Yes | |
| Ambient light sensor | - | - | Yes | |
| Gyroscope | - | - | 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 | - | |||
| sim 1 | ||||
| SIM Type | - | Nano-SIM | Nano-SIM | |
| GSM/CDMA | - | 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 | |
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