| key specs |
| Display | 6.40-inch | 6.22-inch | 6.26-inch | 5.84-inch |
| Processor | Samsung Exynos 7884 | Samsung Exynos 7 Octa 7870 | Qualcomm Snapdragon 636 | Qualcomm Snapdragon 625 |
| Front Camera | 8-megapixel | 5-megapixel | 20-megapixel + 2-megapixel | 5-megapixel |
| Rear Camera | 13-megapixel + 5-megapixel | 13-megapixel + 5-megapixel | 12-megapixel + 5-megapixel | 12-megapixel + 5-megapixel |
| RAM | 3GB | 3GB | 4GB | 4GB |
| Storage | 32GB | 32GB | 64GB | 64GB |
| Battery Capacity | 4000mAh | 3400mAh | 4000mAh | 4000mAh |
| OS | Android | Android 8.1 Oreo | Android | Android 8.1 Oreo |
| Resolution | 720x1560 pixels | 720x1520 pixels | 1080x2280 pixels | 1080x2280 pixels |
| general |
| Brand | Samsung | Samsung | Xiaomi | Xiaomi |
| Model | Galaxy A20 | Galaxy M10 | Redmi Note 6 Pro | Redmi 6 Pro |
| Release date | March 1, 2019 | January 1, 2019 | September 28, 2018 | September 1, 2018 |
| Launched in India | No | Yes | - | Yes |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 158.40 x 74.70 x 7.80 | 155.60 x 75.60 x 7.70 | 157.91 x 76.38 x 8.26 | 149.33 x 71.68 x 8.75 |
| Battery capacity (mAh) | 4000 | 3400 | 4000 | 4000 |
| Weight (g) | - | 163.00 | - | 178.00 |
| Removable battery | - | No | No | No |
| Wireless charging | - | No | No | No |
| Colours | - | Charcoal Black, Ocean Blue | Black, Blue, Rose Gold | Gold, Blue, Black, Red |
| SAR value | - | 0.24 | 1.05 | 0.96 |
| Fast charging | - | - | Quick Charge 3.0 | - |
| Body type | - | - | - | Metal |
| display |
| Screen size (inches) | 6.40 | 6.22 | 6.26 | 5.84 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 720x1560 pixels | 720x1520 pixels | 1080x2280 pixels | 1080x2280 pixels |
| Aspect ratio | - | 19:9 | 19:9 | 19:9 |
| Pixels per inch (PPI) | - | - | - | 432 |
| hardware |
| Processor | octa-core (2x1.6GHz + 6x1.35GHz) | 1.6GHz octa-core | octa-core | 2GHz octa-core (8x2GHz) |
| Processor make | Samsung Exynos 7884 | Samsung Exynos 7 Octa 7870 | Qualcomm Snapdragon 636 | Qualcomm Snapdragon 625 |
| RAM | 3GB | 3GB | 4GB | 4GB |
| Internal storage | 32GB | 32GB | 64GB | 64GB |
| Expandable storage | Yes | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD | microSD |
| Expandable storage up to (GB) | 512 | - | - | 256 |
| Dedicated microSD slot | - | Yes | No | 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/1.9, 1.4-micron) + 5-megapixel | 12-megapixel (f/2.2, 1.25-micron) + 5-megapixel |
| Rear flash | Yes | Yes | Yes | LED |
| Front camera | 8-megapixel (f/2.0) | 5-megapixel (f/2.0) | 20-megapixel (f/2.0, 1.8-micron) + 2-megapixel | 5-megapixel |
| Rear autofocus | - | Yes | Yes | Phase detection autofocus |
| Front flash | - | - | - | No |
| software |
| Operating system | Android | Android 8.1 Oreo | Android | Android 8.1 Oreo |
| Skin | - | Samsung Experience 9.5 UX | MIUI | MIUI 9.6 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| Bluetooth | Yes | Yes | Yes, v 5.00 | Yes, v 4.20 |
| Wi-Fi standards supported | - | 802.11 b/g/n | - | 802.11 a/b/g/n |
| GPS | - | Yes | Yes | Yes |
| USB Type-C | - | No | - | No |
| Micro-USB | - | Yes | Yes | Yes |
| Headphones | - | 3.5mm | - | 3.5mm |
| FM | - | Yes | - | Yes |
| Number of SIMs | - | 2 | 2 | 2 |
| Active 4G on both SIM cards | - | Yes | Yes | No |
| NFC | - | - | No | No |
| Infrared | - | - | - | Yes |
| USB OTG | - | - | - | Yes |
| sensors |
| Fingerprint sensor | Yes | No | Yes | Yes |
| Face unlock | - | Yes | - | Yes |
| Compass/ Magnetometer | - | No | - | Yes |
| Proximity sensor | - | Yes | Yes | Yes |
| Accelerometer | - | Yes | Yes | Yes |
| 3D face recognition | - | - | - | No |
| Ambient light sensor | - | - | - | Yes |
| Gyroscope | - | - | - | Yes |
| 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 | Nano-SIM | Nano-SIM |
| GSM/CDMA | - | GSM | GSM | GSM |
| 3G | - | Yes | Yes | Yes |
| 4G/ LTE | - | Yes | Yes | Yes |
| sim 2 |
| SIM Type | - | Nano-SIM | Nano-SIM | Nano-SIM |
| GSM/CDMA | - | GSM | GSM | GSM |
| 3G | - | Yes | Yes | Yes |
| 4G/ LTE | - | Yes | Yes | Yes |