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key specs | ||||
Display | 5.70-inch | 4.50-inch | 5.99-inch | |
Processor | MediaTek MT6739 | MediaTek MT6737M | Qualcomm Snapdragon 450 | |
Front Camera | 8-megapixel | 5-megapixel | 24-megapixel | |
Rear Camera | 13-megapixel | 5-megapixel | 16-megapixel | |
RAM | 3GB | 1GB | 4GB | |
Storage | 32GB | 8GB | 64GB | |
Battery Capacity | 3000mAh | 2000mAh | 3225mAh | |
OS | Android 7.1 Nougat | Android 8.1 | Android 7.1 | |
Resolution | 720x1440 pixels | 480x854 pixels | 720x1440 pixels | |
general | ||||
Brand | Lava | Lava | Vivo | |
Model | Z91 | Z50 | V7+ | |
Release date | March 1, 2018 | February 1, 2018 | September 1, 2017 | |
Form factor | Touchscreen | Touchscreen | Touchscreen | |
Battery capacity (mAh) | 3000 | 2000 | 3225 | |
Dimensions (mm) | - | 135.00 x 66.60 x 9.70 | 155.87 x 75.74 x 7.70 | |
Weight (g) | - | 140.00 | 160.00 | |
Colours | - | Black, Gold | Gold, Matte Black, Rose Gold | |
Removable battery | - | - | No | |
SAR value | - | - | 1.18 | |
display | ||||
Screen size (inches) | 5.70 | 4.50 | 5.99 | |
Touchscreen | Yes | Yes | Yes | |
Resolution | 720x1440 pixels | 480x854 pixels | 720x1440 pixels | |
hardware | ||||
Processor | 1.3GHz quad-core | 1.1GHz quad-core | 1.8GHz octa-core | |
Processor make | MediaTek MT6739 | MediaTek MT6737M | Qualcomm Snapdragon 450 | |
RAM | 3GB | 1GB | 4GB | |
Internal storage | 32GB | 8GB | 64GB | |
Expandable storage | Yes | Yes | Yes | |
Expandable storage up to (GB) | 128 | - | 256 | |
Expandable storage type | - | microSD | microSD | |
camera | ||||
Rear camera | 13-megapixel | 5-megapixel | 16-megapixel | |
Rear flash | Yes | Yes | Dual LED | |
Front camera | 8-megapixel | 5-megapixel | 24-megapixel | |
Front flash | Yes | Yes | Yes | |
software | ||||
Operating system | Android 7.1 Nougat | Android 8.1 | Android 7.1 | |
Skin | Star OS 4.2 | - | Funtouch OS 3.2 | |
connectivity | ||||
Number of SIMs | 2 | 2 | 2 | |
Wi-Fi | - | Yes | Yes | |
Wi-Fi standards supported | - | 802.11 b/g/n | 802.11 b/g/n | |
GPS | - | Yes | Yes | |
Bluetooth | - | Yes | Yes, v 4.20 | |
Headphones | - | 3.5mm | 3.5mm | |
NFC | - | - | No | |
Infrared | - | - | No | |
USB OTG | - | - | Yes | |
FM | - | - | Yes | |
Wi-Fi Direct | - | - | No | |
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 | ||||
Accelerometer | - | Yes | Yes | |
Compass/ Magnetometer | - | - | No | |
Proximity sensor | - | - | Yes | |
Ambient light sensor | - | - | Yes | |
Gyroscope | - | - | 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 | - | - |