Vivo Y91 vs OnePlus 6T vs Samsung Galaxy A8 Star comparison
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key specs |
Display | 6.22-inch | 6.41-inch | 6.28-inch |
Processor | MediaTek Helio P22 | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 660 |
Front Camera | 8-megapixel | 16-megapixel | 24-megapixel |
Rear Camera | 13-megapixel + 2-megapixel | 16-megapixel + 20-megapixel | 16-megapixel + 24-megapixel |
RAM | 2GB | 8GB | 6GB |
Storage | 32MB | 128GB | 64GB |
Battery Capacity | 4030mAh | 3700mAh | 3700mAh |
OS | Android 8.1 | Android 9.0 | Android 8.0 |
Resolution | 720x1520 pixels | 1080x2340 pixels | 1880x2220 pixels |
general |
Brand | Vivo | OnePlus | Samsung |
Model | Y91 | 6T | Galaxy A8 Star |
Release date | January 1, 2019 | October 1, 2018 | June 1, 2018 |
Launched in India | Yes | - | Yes |
Form factor | Touchscreen | Touchscreen | Touchscreen |
Dimensions (mm) | 155.11 x 75.09 x 8.28 | 157.50 x 74.80 x 8.20 | 162.40 x 77.00 x 7.50 |
Weight (g) | 163.50 | 185.00 | 188.00 |
Battery capacity (mAh) | 4030 | 3700 | 3700 |
Colours | Starry Black, Ocean Blue | Midnight Black, Mirror Black | Black, White |
Body type | - | Glass | - |
Removable battery | - | No | - |
Fast charging | - | Proprietary | - |
Wireless charging | - | No | - |
display |
Screen size (inches) | 6.22 | 6.41 | 6.28 |
Touchscreen | Yes | Yes | Yes |
Resolution | 720x1520 pixels | 1080x2340 pixels | 1880x2220 pixels |
Protection type | - | Gorilla Glass | - |
Aspect ratio | - | 19.5:9 | 18.5:9 |
hardware |
Processor | octa-core | octa-core (4x2.8GHz) | octa-core |
Processor make | MediaTek Helio P22 (MT6762R) | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 660 |
RAM | 2GB | 8GB | 6GB |
Internal storage | 32MB | 128GB | 64GB |
Expandable storage | Yes | No | Yes |
Expandable storage type | microSD | - | microSD |
Expandable storage up to (GB) | 256 | - | 256 |
Dedicated microSD slot | Yes | - | - |
camera |
Rear camera | 13-megapixel (f/f/2.2) + 2-megapixel (f/f/2.4) | 16-megapixel (f/1.7, 1.22-micron) + 20-megapixel (f/1.7, 1-micron) | 16-megapixel (f/1.7) + 24-megapixel (f/1.7) |
Rear flash | LED | Dual LED | LED |
Front camera | 8-megapixel (f/f/1.8) | 16-megapixel (f/2.0, 1-micron) | 24-megapixel (f/2.0) |
Front flash | No | No | - |
Rear autofocus | - | Phase detection autofocus | - |
software |
Operating system | Android 8.1 | Android 9.0 | Android 8.0 |
Skin | Funtouch OS 4.5 | OxygenOS | - |
connectivity |
Wi-Fi | Yes | Yes | Yes |
Bluetooth | Yes, v 5.00 | Yes, v 5.00 | Yes, v 5.00 |
NFC | No | Yes | - |
Micro-USB | Yes | - | - |
Headphones | 3.5mm | Type-C | - |
Number of SIMs | 2 | 2 | 2 |
Active 4G on both SIM cards | Yes | Yes | - |
Wi-Fi standards supported | - | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
GPS | - | Yes | Yes |
USB OTG | - | Yes | - |
USB Type-C | - | Yes | Yes |
sim 1 |
SIM Type | Nano-SIM | Nano-SIM | - |
GSM/CDMA | GSM | GSM | GSM + CDMA |
3G | Yes | Yes | - |
4G/ LTE | Yes | Yes | - |
sim 2 |
SIM Type | Nano-SIM | Nano-SIM | - |
GSM/CDMA | GSM | GSM | GSM + CDMA |
3G | Yes | Yes | - |
4G/ LTE | Yes | Yes | - |
sensors |
Face unlock | Yes | Yes | Yes |
Fingerprint sensor | Yes | Yes | Yes |
Compass/ Magnetometer | Yes | Yes | - |
Proximity sensor | Yes | Yes | Yes |
Accelerometer | Yes | Yes | Yes |
Ambient light sensor | Yes | Yes | Yes |
Gyroscope | Yes | Yes | - |
ratings |
Overall NDTV Rating | - | Read Review | - |
Design Rating | - | | - |
Display Rating | - | | - |
Software Rating | - | | - |
Performance Rating | - | | - |
Battery Life Rating | - | | - |
Camera Rating | - | | - |
Value for Money Rating | - | | - |