Vivo Y91 vs Redmi Y1 (3GB RAM, 32GB) comparison
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| key specs |
| Display | 6.22-inch | 5.50-inch |
| Processor | MediaTek Helio P22 | Qualcomm Snapdragon 435 |
| Front Camera | 8-megapixel | 16-megapixel |
| Rear Camera | 13-megapixel + 2-megapixel | 13-megapixel |
| RAM | 2GB | 3GB |
| Storage | 32MB | 32GB |
| Battery Capacity | 4030mAh | 3080mAh |
| OS | Android 8.1 | Android 7.0 |
| Resolution | 720x1520 pixels | 720x1280 pixels |
| general |
| Brand | Vivo | Xiaomi |
| Model | Y91 | Redmi Y1 |
| Release date | January 1, 2019 | November 1, 2017 |
| Launched in India | Yes | Yes |
| Form factor | Touchscreen | Touchscreen |
| Dimensions (mm) | 155.11 x 75.09 x 8.28 | 153.00 x 76.20 x 7.70 |
| Weight (g) | 163.50 | 153.00 |
| Battery capacity (mAh) | 4030 | 3080 |
| Colours | Starry Black, Ocean Blue | Dark Grey, Gold, Grey, Rose Gold, White |
| Removable battery | - | No |
| SAR value | - | 1.09 |
| display |
| Screen size (inches) | 6.22 | 5.50 |
| Touchscreen | Yes | Yes |
| Resolution | 720x1520 pixels | 720x1280 pixels |
| Protection type | - | Gorilla Glass |
| Aspect ratio | - | 16:9 |
| Pixels per inch (PPI) | - | 267 |
| hardware |
| Processor | octa-core | 1.4GHz octa-core |
| Processor make | MediaTek Helio P22 (MT6762R) | Qualcomm Snapdragon 435 |
| RAM | 2GB | 3GB |
| Internal storage | 32MB | 32GB |
| Expandable storage | Yes | Yes |
| Expandable storage type | microSD | microSD |
| Expandable storage up to (GB) | 256 | 128 |
| Dedicated microSD slot | Yes | - |
| camera |
| Rear camera | 13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4) | 13-megapixel (f/2.2, 1.12-micron) |
| Rear flash | LED | LED |
| Front camera | 8-megapixel (f/f/1.8) | 16-megapixel (f/2.0) |
| Front flash | No | Yes |
| Rear autofocus | - | Phase detection autofocus |
| software |
| Operating system | Android 8.1 | Android 7.0 |
| Skin | Funtouch OS 4.5 | MIUI 9 |
| connectivity |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes, v 5.00 | Yes, v 4.10 |
| NFC | No | No |
| Micro-USB | Yes | Yes |
| Headphones | 3.5mm | 3.5mm |
| Number of SIMs | 2 | 2 |
| Active 4G on both SIM cards | Yes | - |
| Wi-Fi standards supported | - | 802.11 b/g/n |
| GPS | - | Yes |
| Infrared | - | Yes |
| USB OTG | - | Yes |
| FM | - | Yes |
| Wi-Fi Direct | - | Yes |
| Mobile High-Definition Link (MHL) | - | No |
| 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 |
| sensors |
| Face unlock | Yes | - |
| Fingerprint sensor | Yes | Yes |
| Compass/ Magnetometer | Yes | Yes |
| Proximity sensor | Yes | Yes |
| Accelerometer | Yes | Yes |
| Ambient light sensor | Yes | Yes |
| Gyroscope | Yes | Yes |
| Barometer | - | No |
| Temperature sensor | - | No |
| ratings |
| Overall NDTV Rating | - | Read Review |
| Design Rating | - | |
| Display Rating | - | |
| Software Rating | - | |
| Performance Rating | - | |
| Battery Life Rating | - | |
| Camera Rating | - | |
| Value for Money Rating | - | |