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| key specs | ||||
| Display | 6.22-inch | 6.22-inch | 5.20-inch | |
| Processor | MediaTek Helio P22 | Samsung Exynos 7 Octa 7870 | Qualcomm Snapdragon 450 | |
| Front Camera | 8-megapixel | 5-megapixel | 5-megapixel | |
| Rear Camera | 13-megapixel + 2-megapixel | 13-megapixel + 5-megapixel | 13-megapixel | |
| RAM | 2GB | 3GB | 3GB | |
| Storage | 32MB | 32GB | 16GB | |
| Battery Capacity | 4030mAh | 3400mAh | 3000mAh | |
| OS | Android 8.1 | Android 8.1 Oreo | Android 7.1 | |
| Resolution | 720x1520 pixels | 720x1520 pixels | 720x1280 pixels | |
| general | ||||
| Brand | Vivo | Samsung | Oppo | |
| Model | Y91 | Galaxy M10 | A71 (2018) | |
| Release date | January 1, 2019 | January 1, 2019 | January 1, 2018 | |
| Launched in India | Yes | Yes | - | |
| Form factor | Touchscreen | Touchscreen | Touchscreen | |
| Dimensions (mm) | 155.11 x 75.09 x 8.28 | 155.60 x 75.60 x 7.70 | 148.10 x 73.80 x 7.60 | |
| Weight (g) | 163.50 | 163.00 | 137.00 | |
| Battery capacity (mAh) | 4030 | 3400 | 3000 | |
| Colours | Starry Black, Ocean Blue | Charcoal Black, Ocean Blue | Black, Gold | |
| Removable battery | - | No | - | |
| Wireless charging | - | No | - | |
| SAR value | - | 0.24 | - | |
| display | ||||
| Screen size (inches) | 6.22 | 6.22 | 5.20 | |
| Touchscreen | Yes | Yes | Yes | |
| Resolution | 720x1520 pixels | 720x1520 pixels | 720x1280 pixels | |
| Aspect ratio | - | 19:9 | 16:9 | |
| hardware | ||||
| Processor | octa-core | 1.6GHz octa-core | 1.8GHz octa-core | |
| Processor make | MediaTek Helio P22 (MT6762R) | Samsung Exynos 7 Octa 7870 | Qualcomm Snapdragon 450 | |
| RAM | 2GB | 3GB | 3GB | |
| Internal storage | 32MB | 32GB | 16GB | |
| Expandable storage | Yes | Yes | Yes | |
| Expandable storage type | microSD | microSD | microSD | |
| Expandable storage up to (GB) | 256 | - | 256 | |
| Dedicated microSD slot | Yes | Yes | - | |
| camera | ||||
| Rear camera | 13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4) | 13-megapixel (f/1.9) + 5-megapixel (f/2.2) | 13-megapixel (f/2.2, 1.12-micron) | |
| Rear flash | LED | Yes | LED | |
| Front camera | 8-megapixel (f/f/1.8) | 5-megapixel (f/2.0) | 5-megapixel | |
| Front flash | No | - | - | |
| Rear autofocus | - | Yes | Phase detection autofocus | |
| software | ||||
| Operating system | Android 8.1 | Android 8.1 Oreo | Android 7.1 | |
| Skin | Funtouch OS 4.5 | Samsung Experience 9.5 UX | ColorOS 3.2 | |
| connectivity | ||||
| Wi-Fi | Yes | Yes | Yes | |
| Bluetooth | Yes, v 5.00 | Yes | Yes, v 4.20 | |
| NFC | No | - | - | |
| Micro-USB | Yes | Yes | Yes | |
| Headphones | 3.5mm | 3.5mm | 3.5mm | |
| Number of SIMs | 2 | 2 | 2 | |
| Active 4G on both SIM cards | Yes | Yes | - | |
| Wi-Fi standards supported | - | 802.11 b/g/n | 802.11 b/g/n | |
| GPS | - | Yes | - | |
| USB Type-C | - | No | - | |
| FM | - | Yes | Yes | |
| USB OTG | - | - | Yes | |
| 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 | |
| sensors | ||||
| Face unlock | Yes | Yes | - | |
| Fingerprint sensor | Yes | No | - | |
| Compass/ Magnetometer | Yes | No | Yes | |
| Proximity sensor | Yes | Yes | Yes | |
| Accelerometer | Yes | Yes | Yes | |
| Ambient light sensor | Yes | - | Yes | |
| Gyroscope | Yes | - | - | |
| ratings | ||||
| Overall NDTV Rating | - | Read Review | - | |
| Design Rating | - | - | ||
| Display Rating | - | - | ||
| Software Rating | - | - | ||
| Performance Rating | - | - | ||
| Battery Life Rating | - | - | ||
| Camera Rating | - | - | ||
| Value for Money Rating | - | - | ||