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key specs | ||||
Display | 5.00-inch | 5.20-inch | 5.20-inch | |
Processor | HiSilicon Kirin 659 | Qualcomm Snapdragon 425 | Qualcomm Snapdragon 435 | |
Front Camera | 20-megapixel | 5-megapixel | 16-megapixel | |
Rear Camera | 12-megapixel | 13-megapixel | 13-megapixel | |
RAM | 4GB | 3GB | 3GB | |
Storage | 64GB | 16GB | 32GB | |
Battery Capacity | 2950mAh | 2730mAh | 2900mAh | |
OS | Android 7.0 | Android 6.0 | Android 6.0 | |
Resolution | 1080x1920 pixels | 1280x720 pixels | 720x1280 pixels | |
general | ||||
Brand | Huawei | Vivo | Oppo | |
Model | Nova 2 | Y55s | A57 | |
Release date | May 1, 2017 | February 1, 2017 | November 1, 2016 | |
Form factor | Touchscreen | Touchscreen | Touchscreen | |
Thickness | 6.9 | - | - | |
Battery capacity (mAh) | 2950 | 2730 | 2900 | |
Removable battery | No | No | No | |
Launched in India | - | Yes | Yes | |
Dimensions (mm) | - | 147.90 x 72.90 x 7.50 | 149.10 x 72.90 x 7.65 | |
Weight (g) | - | 142.00 | 147.00 | |
Colours | - | Gold, Space Grey | Rose Gold, Gold | |
SAR value | - | 1.08 | 1.31 | |
display | ||||
Screen size (inches) | 5.00 | 5.20 | 5.20 | |
Touchscreen | Yes | Yes | Yes | |
Resolution | 1080x1920 pixels | 1280x720 pixels | 720x1280 pixels | |
Aspect ratio | - | 16:9 | 16:9 | |
Pixels per inch (PPI) | - | 282 | - | |
hardware | ||||
Processor | 2.36GHz octa-core | 1.4GHz quad-core | 1.4GHz octa-core | |
Processor make | HiSilicon Kirin 659 | Qualcomm Snapdragon 425 | Qualcomm Snapdragon 435 | |
RAM | 4GB | 3GB | 3GB | |
Internal storage | 64GB | 16GB | 32GB | |
Expandable storage | Yes | Yes | Yes | |
Expandable storage type | microSD | microSD | microSD | |
Expandable storage up to (GB) | 128 | 256 | 256 | |
camera | ||||
Rear camera | 12-megapixel | 13-megapixel (f/2.2) | 13-megapixel (f/2.2) | |
Rear flash | Yes | LED | LED | |
Front camera | 20-megapixel | 5-megapixel (f/2.2) | 16-megapixel (f/2.0, 1.12-micron) | |
Rear autofocus | - | Yes | Phase detection autofocus | |
Front autofocus | - | - | Yes | |
software | ||||
Operating system | Android 7.0 | Android 6.0 | Android 6.0 | |
Skin | EMUI 5.1 | Funtouch OS 3.0 | ColorOS 3.0 | |
connectivity | ||||
Wi-Fi | Yes | Yes | Yes | |
Wi-Fi standards supported | 802.11 b/g/n | - | 802.11 b/g/n | |
GPS | Yes | Yes | Yes | |
Bluetooth | Yes | Yes | Yes, v 4.10 | |
NFC | No | No | No | |
Infrared | No | No | No | |
USB OTG | No | Yes | Yes | |
Headphones | 3.5mm | 3.5mm | 3.5mm | |
FM | No | Yes | Yes | |
Number of SIMs | 2 | 2 | 2 | |
Wi-Fi Direct | No | No | No | |
Mobile High-Definition Link (MHL) | No | No | No | |
Micro-USB | - | Yes | Yes | |
sim 1 | ||||
3G | No | Yes | Yes | |
4G/ LTE | No | Yes | Yes | |
SIM Type | - | Micro-SIM | Nano-SIM | |
GSM/CDMA | - | GSM | GSM | |
sim 2 | ||||
3G | No | No | Yes | |
4G/ LTE | No | No | Yes | |
SIM Type | - | - | Nano-SIM | |
GSM/CDMA | - | - | GSM | |
sensors | ||||
Compass/ Magnetometer | No | Yes | Yes | |
Proximity sensor | No | Yes | Yes | |
Accelerometer | No | Yes | Yes | |
Ambient light sensor | No | Yes | Yes | |
Gyroscope | No | Yes | Yes | |
Barometer | No | No | No | |
Temperature sensor | No | No | No | |
Fingerprint sensor | - | - | Yes | |
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 | - |