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| 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 | ||||
| key specs | ||||
| Display | 5.50-inch | 5.50-inch | 5.50-inch | |
| Processor | Qualcomm Snapdragon 801 | MediaTek MT6753 | Qualcomm Snapdragon 650 | |
| Front Camera | 8-megapixel | 5-megapixel | 5-megapixel | |
| Rear Camera | 13-megapixel | 13-megapixel | 16-megapixel | |
| RAM | 3GB | 3GB | 2GB | |
| Storage | 64GB | 16GB | 16GB | |
| Battery Capacity | 4100mAh | 3300mAh | 4050mAh | |
| OS | Android 5.1.1 | Android 5.1 | Android 5.1 | |
| Resolution | 1080x1920 pixels | 1080x1920 pixels | 1080x1920 pixels | |
| general | ||||
| Brand | Lenovo | Lenovo | Xiaomi | |
| Model | Zuk Z1 | Vibe K4 Note | Redmi Note 3 | |
| Release date | May 1, 2016 | January 1, 2016 | November 1, 2015 | |
| Form factor | Touchscreen | Touchscreen | Touchscreen | |
| Dimensions (mm) | 155.70 x 77.30 x 8.90 | 153.60 x 76.50 x 9.20 | 150.00 x 76.00 x 8.65 | |
| Weight (g) | 175.00 | 158.00 | 164.00 | |
| Battery capacity (mAh) | 4100 | 3300 | 4050 | |
| Removable battery | No | No | No | |
| Colours | Space Grey, White | Black, White | Gold, Silver, Dark Grey | |
| SAR value | 0.46 | 0.84 | 0.56 | |
| Launched in India | - | - | Yes | |
| display | ||||
| Screen size (inches) | 5.50 | 5.50 | 5.50 | |
| Touchscreen | Yes | Yes | Yes | |
| Resolution | 1080x1920 pixels | 1080x1920 pixels | 1080x1920 pixels | |
| Pixels per inch (PPI) | 401 | 401 | 403 | |
| Aspect ratio | - | - | 16:9 | |
| hardware | ||||
| Processor | 2.5GHz quad-core | 1.3GHz octa-core | hexa-core (4x1.4GHz + 4x1.8GHz) | |
| Processor make | Qualcomm Snapdragon 801 | MediaTek MT6753 | Qualcomm Snapdragon 650 | |
| RAM | 3GB | 3GB | 2GB | |
| Internal storage | 64GB | 16GB | 16GB | |
| Expandable storage | No | Yes | Yes | |
| Expandable storage type | - | microSD | microSD | |
| Expandable storage up to (GB) | - | 128 | 128 | |
| camera | ||||
| Rear camera | 13-megapixel | 13-megapixel | 16-megapixel (f/2.0) | |
| Rear flash | Dual LED | Dual LED | Dual LED | |
| Front camera | 8-megapixel | 5-megapixel | 5-megapixel (f/2.0) | |
| Rear autofocus | - | - | Phase detection autofocus | |
| Front flash | - | - | No | |
| software | ||||
| Operating system | Android 5.1.1 | Android 5.1 | Android 5.1 | |
| Skin | Cyanogen OS 12.1 | Vibe UI | MIUI 7 | |
| connectivity | ||||
| Wi-Fi | Yes | Yes | Yes | |
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac | |
| GPS | Yes | Yes | Yes | |
| Bluetooth | Yes | Yes, v 4.00 | Yes, v 4.10 | |
| NFC | No | Yes | No | |
| Infrared | No | No | Yes | |
| USB OTG | Yes | Yes | Yes | |
| Headphones | 3.5mm | 3.5mm | 3.5mm | |
| FM | No | Yes | Yes | |
| Number of SIMs | 2 | 2 | 2 | |
| Wi-Fi Direct | No | No | Yes | |
| Mobile High-Definition Link (MHL) | No | No | No | |
| Micro-USB | - | - | Yes | |
| sim 1 | ||||
| SIM Type | Nano-SIM | Micro-SIM | Nano-SIM | |
| GSM/CDMA | GSM | GSM | GSM | |
| 3G | Yes | Yes | Yes | |
| 4G/ LTE | Yes | Yes | Yes | |
| sim 2 | ||||
| SIM Type | Nano-SIM | Micro-SIM | Micro-SIM | |
| GSM/CDMA | GSM | GSM | GSM | |
| 3G | Yes | Yes | Yes | |
| 4G/ LTE | Yes | Yes | Yes | |
| sensors | ||||
| Compass/ Magnetometer | Yes | Yes | Yes | |
| Proximity sensor | Yes | Yes | Yes | |
| Accelerometer | Yes | Yes | Yes | |
| Ambient light sensor | Yes | Yes | Yes | |
| Gyroscope | Yes | Yes | Yes | |
| Barometer | No | No | No | |
| Temperature sensor | No | No | No | |
| Fingerprint sensor | - | - | Yes | |
New Electrochemical Method Doubles Hydrogen Output While Cutting Energy Costs