Vivo Y91i vs Samsung Galaxy M20 vs Xiaomi Mi A2 vs Google Nexus 6 comparison
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key specs |
Display | 6.22-inch | 6.30-inch | 5.99-inch | 5.96-inch |
Processor | MediaTek Helio P22 | Samsung Exynos 7904 | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 805 |
Front Camera | 5-megapixel | 8-megapixel | 20-megapixel | 2-megapixel |
Rear Camera | 13-megapixel | 13-megapixel + 5-megapixel | 12-megapixel + 20-megapixel | 13-megapixel |
RAM | 2GB | 3GB | 4GB | 3GB |
Storage | 16GB | 32GB | 64GB | 32GB |
Battery Capacity | 4030mAh | 5000mAh | 3000mAh | 3220mAh |
OS | Android 8.1 | Android 8.1 Oreo | Android 8.1 Oreo | Android 5.0 |
Resolution | 720x1520 pixels | 1080x2340 pixels | 1080x2160 pixels | 1440x2560 pixels |
general |
Brand | Vivo | Samsung | Xiaomi | Motorola |
Model | Y91i | Galaxy M20 | Mi A2 | Google Nexus 6 |
Release date | March 1, 2019 | January 1, 2019 | July 1, 2018 | October 1, 2014 |
Launched in India | Yes | Yes | Yes | - |
Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
Dimensions (mm) | 155.11 x 75.09 x 8.28 | - | 158.70 x 75.40 x 7.30 | 159.26 x 82.98 x 10.06 |
Weight (g) | 163.50 | - | 168.00 | 184.00 |
Battery capacity (mAh) | 4030 | 5000 | 3000 | 3220 |
Colours | Fusion Black, Ocean Blue | Charcoal Black, Ocean Blue | Black, Gold, Lake Blue, Rose Gold | Midnight Blue, Cloud White |
Removable battery | - | No | No | No |
Wireless charging | - | No | - | - |
display |
Screen size (inches) | 6.22 | 6.30 | 5.99 | 5.96 |
Touchscreen | Yes | Yes | Yes | Yes |
Resolution | 720x1520 pixels | 1080x2340 pixels | 1080x2160 pixels | 1440x2560 pixels |
Aspect ratio | 19:9 | 19.5:9 | 18:9 | - |
Pixels per inch (PPI) | - | - | 403 | 493 |
hardware |
Processor | octa-core | 1.6GHz octa-core (2x1.8GHz + 6x1.6GHz) | octa-core (4x2.2GHz + 4x1.8GHz) | 2.7GHz quad-core |
Processor make | MediaTek Helio P22 (MT6762) | Samsung Exynos 7904 | Qualcomm Snapdragon 660 | Qualcomm Snapdragon 805 |
RAM | 2GB | 3GB | 4GB | 3GB |
Internal storage | 16GB | 32GB | 64GB | 32GB |
Expandable storage | Yes | Yes | No | No |
Expandable storage type | microSD | microSD | microSD | - |
Expandable storage up to (GB) | - | 512 | - | - |
Dedicated microSD slot | - | Yes | - | - |
camera |
Rear camera | 13-megapixel (f/2.2) | 13-megapixel (f/1.9) + 5-megapixel (f/2.2) | 12-megapixel (f/1.8, 1.25-micron) + 20-megapixel (f/1.8, 1.0-micron) | 13-megapixel |
Rear autofocus | Yes | Yes | Phase detection autofocus | - |
Rear flash | Yes | Yes | Dual LED | Dual LED |
Front camera | 5-megapixel (f/1.8) | 8-megapixel (f/2.0) | 20-megapixel (f/2.2, 1.0-micron) | 2-megapixel |
Front flash | - | No | LED | - |
software |
Operating system | Android 8.1 | Android 8.1 Oreo | Android 8.1 Oreo | Android 5.0 |
Skin | Funtouch OS 4.5 | Samsung Experience 9.5 UX | - | - |
connectivity |
Wi-Fi | Yes | - | Yes | Yes |
GPS | Yes | Yes | Yes | Yes |
Bluetooth | Yes, v 5.00 | Yes | Yes, v 5.00 | Yes, v 4.10 |
USB OTG | Yes | - | Yes | No |
Micro-USB | Yes | No | - | - |
Headphones | 3.5mm | 3.5mm | No | 3.5mm |
FM | Yes | - | - | No |
Number of SIMs | 2 | 2 | 2 | 1 |
Wi-Fi standards supported | - | 802.11 b/g/n | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
USB Type-C | - | Yes | - | - |
NFC | - | - | Yes | Yes |
Wi-Fi Direct | - | - | Yes | Yes |
Infrared | - | - | - | No |
Mobile High-Definition Link (MHL) | - | - | - | No |
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 | - |
GSM/CDMA | GSM | GSM | GSM | - |
3G | Yes | Yes | Yes | - |
4G/ LTE | Yes | Yes | Yes | - |
sensors |
Face unlock | Yes | Yes | - | - |
Fingerprint sensor | No | Yes | Yes | - |
Compass/ Magnetometer | Yes | - | Yes | Yes |
Proximity sensor | Yes | Yes | Yes | Yes |
Accelerometer | Yes | Yes | Yes | Yes |
Ambient light sensor | Yes | - | Yes | Yes |
Gyroscope | Yes | - | Yes | Yes |
Barometer | - | - | - | Yes |
Temperature sensor | - | - | - | No |
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 | - | | | |