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key specs | ||||
Display | 5.20-inch | 5.00-inch | 5.00-inch | |
Processor | MediaTek MT6752 | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 801 | |
Front Camera | 8-megapixel | 5-megapixel | 8-megapixel | |
Rear Camera | 13-megapixel | 13-megapixel | 13-megapixel | |
RAM | 4GB | 2GB | 3GB | |
Storage | 32GB | 16GB | 16GB | |
Battery Capacity | 2400mAh | 3000mAh | 3080mAh | |
OS | Android 5.1 | Android 5.0.2 | Android 4.4 | |
Resolution | 1080x1920 pixels | 1080x1920 pixels | 1080x1920 pixels | |
general | ||||
Brand | Vivo | Obi Worldphone | Xiaomi | |
Model | X6 | SF1 | Mi 4 | |
Release date | December 1, 2015 | August 1, 2015 | July 1, 2014 | |
Form factor | Touchscreen | Touchscreen | Touchscreen | |
Dimensions (mm) | 147.90 x 73.70 x 6.56 | 146.00 x 74.00 x 8.00 | 139.20 x 68.50 x 8.90 | |
Weight (g) | 135.50 | 147.00 | 156.00 | |
Battery capacity (mAh) | 2400 | 3000 | 3080 | |
Removable battery | No | No | No | |
Colours | Gold, Rose Gold, Silver | Black | White | |
SAR value | - | 0.23 | - | |
Launched in India | - | - | Yes | |
display | ||||
Screen size (inches) | 5.20 | 5.00 | 5.00 | |
Touchscreen | Yes | Yes | Yes | |
Resolution | 1080x1920 pixels | 1080x1920 pixels | 1080x1920 pixels | |
Pixels per inch (PPI) | - | 443 | - | |
Aspect ratio | - | - | 16:9 | |
hardware | ||||
Processor | 1.7GHz octa-core | 1.5GHz octa-core | 2.5GHz quad-core | |
Processor make | MediaTek MT6752 | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 801 | |
RAM | 4GB | 2GB | 3GB | |
Internal storage | 32GB | 16GB | 16GB | |
Expandable storage | Yes | Yes | No | |
Expandable storage type | microSD | microSD | - | |
Expandable storage up to (GB) | 128 | 64 | - | |
camera | ||||
Rear camera | 13-megapixel | 13-megapixel | 13-megapixel (f/1.8, 1.12-micron) | |
Rear flash | LED | LED | LED | |
Front camera | 8-megapixel | 5-megapixel | 8-megapixel (f/1.8) | |
Front flash | - | LED | - | |
Rear autofocus | - | - | Yes | |
software | ||||
Operating system | Android 5.1 | Android 5.0.2 | Android 4.4 | |
Skin | Funtouch OS | Obi Lifespeed | MIUI 6 | |
connectivity | ||||
Wi-Fi | Yes | Yes | Yes | |
GPS | Yes | Yes | Yes | |
Bluetooth | Yes, v 4.00 | Yes, v 4.00 | Yes, v 4.00 | |
NFC | No | No | No | |
Infrared | No | No | Yes | |
USB OTG | Yes | Yes | Yes | |
Headphones | 3.5mm | 3.5mm | 3.5mm | |
FM | Yes | Yes | Yes | |
Number of SIMs | 2 | 2 | 1 | |
Wi-Fi Direct | No | Yes | No | |
Mobile High-Definition Link (MHL) | No | No | No | |
Wi-Fi standards supported | - | 802.11 a/b/g/n | 802.11 a/b/g/n/ac | |
Micro-USB | - | - | Yes | |
sim 1 | ||||
SIM Type | Regular | Micro-SIM | Micro-SIM | |
GSM/CDMA | GSM | GSM | GSM | |
3G | Yes | Yes | Yes | |
4G/ LTE | Yes | Yes | No | |
sim 2 | ||||
SIM Type | Regular | Nano-SIM | - | |
GSM/CDMA | GSM | GSM | - | |
3G | Yes | Yes | - | |
4G/ LTE | Yes | No | - | |
sensors | ||||
Compass/ Magnetometer | No | Yes | Yes | |
Proximity sensor | Yes | Yes | Yes | |
Accelerometer | Yes | Yes | Yes | |
Ambient light sensor | Yes | Yes | Yes | |
Gyroscope | Yes | Yes | Yes | |
Barometer | No | No | Yes | |
Temperature sensor | No | No | No | |
ratings | ||||
Overall NDTV Rating | - | Read Review | Read Review | |
Design Rating | - | |||
Display Rating | - | |||
Software Rating | - | |||
Performance Rating | - | |||
Battery Life Rating | - | |||
Camera Rating | - | |||
Value for Money Rating | - |