| ratings |
| Overall NDTV Rating | Read Review | 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 | 6.40-inch | 6.26-inch | 5.84-inch | 5.45-inch |
| Front Camera | 25-megapixel | 20-megapixel + 2-megapixel | 5-megapixel | 5-megapixel |
| Rear Camera | 25-megapixel + 5-megapixel + 8-megapixel | 12-megapixel + 5-megapixel | 12-megapixel + 5-megapixel | 12-megapixel + 5-megapixel |
| RAM | 4GB | 4GB | 4GB | 3GB |
| Storage | 64GB | 64GB | 64GB | 32GB |
| Battery Capacity | 4000mAh | 4000mAh | 4000mAh | 3000mAh |
| OS | Android Pie | Android | Android 8.1 Oreo | Android 8.1 Oreo |
| Resolution | 1080x2340 pixels | 1080x2280 pixels | 1080x2280 pixels | 720x1440 pixels |
| Processor | - | Qualcomm Snapdragon 636 | Qualcomm Snapdragon 625 | MediaTek Helio P22 |
| general |
| Brand | Samsung | Xiaomi | Xiaomi | Xiaomi |
| Model | Galaxy A50 | Redmi Note 6 Pro | Redmi 6 Pro | Redmi 6 |
| Release date | February 1, 2019 | September 28, 2018 | September 1, 2018 | June 1, 2018 |
| Launched in India | Yes | - | Yes | Yes |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 158.50 x 74.70 x 7.70 | 157.91 x 76.38 x 8.26 | 149.33 x 71.68 x 8.75 | 147.50 x 71.50 x 8.30 |
| Battery capacity (mAh) | 4000 | 4000 | 4000 | 3000 |
| Removable battery | No | No | No | No |
| Fast charging | Proprietary | Quick Charge 3.0 | - | - |
| Wireless charging | No | No | No | No |
| Colours | Black, White, Blue | Black, Blue, Rose Gold | Gold, Blue, Black, Red | Lake Blue, Gold, Rose Gold, Black |
| SAR value | - | 1.05 | 0.96 | - |
| Body type | - | - | Metal | Plastic |
| Weight (g) | - | - | 178.00 | 146.00 |
| display |
| Screen size (inches) | 6.40 | 6.26 | 5.84 | 5.45 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 1080x2340 pixels | 1080x2280 pixels | 1080x2280 pixels | 720x1440 pixels |
| Aspect ratio | - | 19:9 | 19:9 | 18:9 |
| Pixels per inch (PPI) | - | - | 432 | 295 |
| hardware |
| Processor make | Samsung Exynos 9610 | Qualcomm Snapdragon 636 | Qualcomm Snapdragon 625 | MediaTek Helio P22 (MT6762) |
| RAM | 4GB | 4GB | 4GB | 3GB |
| Internal storage | 64GB | 64GB | 64GB | 32GB |
| Expandable storage | Yes | Yes | Yes | Yes |
| Expandable storage type | microSD | microSD | microSD | microSD |
| Expandable storage up to (GB) | 512 | - | 256 | 256 |
| Dedicated microSD slot | Yes | No | Yes | Yes |
| Processor | - | octa-core | 2GHz octa-core (8x2GHz) | 2GHz octa-core (8x2GHz) |
| camera |
| Rear camera | 25-megapixel (f/1.7) + 5-megapixel (f/2.2) + 8-megapixel (f/2.2) | 12-megapixel (f/1.9, 1.4-micron) + 5-megapixel | 12-megapixel (f/2.2, 1.25-micron) + 5-megapixel | 12-megapixel (f/2.2, 1.25-micron) + 5-megapixel |
| Rear autofocus | Yes | Yes | Phase detection autofocus | Phase detection autofocus |
| Rear flash | LED | Yes | LED | LED |
| Front camera | 25-megapixel (f/2.0) | 20-megapixel (f/2.0, 1.8-micron) + 2-megapixel | 5-megapixel | 5-megapixel (f/2.2, 1.12-micron) |
| Front flash | No | - | No | No |
| software |
| Operating system | Android Pie | Android | Android 8.1 Oreo | Android 8.1 Oreo |
| Skin | One UI | MIUI | MIUI 9.6 | MIUI 9.6 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 5.00 | Yes, v 4.20 | Yes, v 4.20 |
| USB Type-C | Yes | - | No | No |
| Headphones | 3.5mm | - | 3.5mm | 3.5mm |
| Number of SIMs | 2 | 2 | 2 | 2 |
| NFC | - | No | No | No |
| Micro-USB | - | Yes | Yes | Yes |
| Active 4G on both SIM cards | - | Yes | No | Yes |
| Wi-Fi standards supported | - | - | 802.11 a/b/g/n | 802.11 b/g/n |
| Infrared | - | - | Yes | No |
| USB OTG | - | - | Yes | Yes |
| FM | - | - | Yes | 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 |
| Fingerprint sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | - | Yes | Yes |
| Gyroscope | Yes | - | Yes | No |
| Proximity sensor | - | Yes | Yes | Yes |
| Face unlock | - | - | Yes | Yes |
| 3D face recognition | - | - | No | No |
| Compass/ Magnetometer | - | - | Yes | Yes |