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| ratings | ||||
| Overall NDTV Rating | 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 | 4.20-inch | ||
| Processor | Qualcomm Snapdragon 625 | Qualcomm Snapdragon S2 | ||
| Front Camera | 5-megapixel | No | ||
| Rear Camera | 13-megapixel | 8.1-megapixel | ||
| RAM | 4GB | 512MB | ||
| Storage | 64GB | 1GB | ||
| Battery Capacity | 4100mAh | 1500mAh | ||
| OS | Android 6.0 | Android 2.3 | ||
| Resolution | 1080x1920 pixels | 480x854 pixels | ||
| general | ||||
| Brand | Xiaomi | Sony | ||
| Model | Redmi Note 4 | Xperia arc S | ||
| Release date | August 1, 2016 | September 1, 2011 | ||
| Launched in India | Yes | - | ||
| Form factor | Touchscreen | Bar | ||
| Dimensions (mm) | 151.00 x 76.00 x 8.30 | 125.00 x 63.00 x 8.70 | ||
| Weight (g) | 175.00 | 117.00 | ||
| Battery capacity (mAh) | 4100 | 1500 | ||
| Removable battery | No | Yes | ||
| Colours | 0, Black, Dark Grey, Gold, Grey, Lake Blue | Midnight Blue, Misty Silver, Gloss Black, Sakura Pink, Pure White | ||
| Alternate names | - | LT18i, LT18a | ||
| display | ||||
| Screen size (inches) | 5.50 | 4.20 | ||
| Touchscreen | Yes | Yes | ||
| Resolution | 1080x1920 pixels | 480x854 pixels | ||
| Aspect ratio | 16:9 | - | ||
| Pixels per inch (PPI) | 401 | 233 | ||
| hardware | ||||
| Processor | 2GHz octa-core | 1.4GHz one-core | ||
| Processor make | Qualcomm Snapdragon 625 | Qualcomm Snapdragon S2 (MSM8225) | ||
| RAM | 4GB | 512MB | ||
| Internal storage | 64GB | 1GB | ||
| Expandable storage | Yes | Yes | ||
| Expandable storage type | microSD | microSD | ||
| Expandable storage up to (GB) | 128 | 32 | ||
| camera | ||||
| Rear camera | 13-megapixel (f/2.0, 1.12-micron) | 8.1-megapixel | ||
| Rear autofocus | Phase detection autofocus | - | ||
| Rear flash | Dual LED | LED | ||
| Front camera | 5-megapixel (f/2.0) | No | ||
| software | ||||
| Operating system | Android 6.0 | Android 2.3 | ||
| Skin | MIUI 8 | - | ||
| connectivity | ||||
| Wi-Fi | Yes | Yes | ||
| Wi-Fi standards supported | 802.11 a/b/g/n | - | ||
| GPS | Yes | Yes | ||
| Bluetooth | Yes, v 4.10 | Yes, v 2.10 | ||
| NFC | No | No | ||
| Infrared | Yes | No | ||
| USB OTG | Yes | No | ||
| Micro-USB | Yes | - | ||
| Headphones | 3.5mm | 3.5mm | ||
| FM | Yes | Yes | ||
| Number of SIMs | 2 | 1 | ||
| Wi-Fi Direct | No | No | ||
| Mobile High-Definition Link (MHL) | No | No | ||
| sim 1 | ||||
| SIM Type | Micro-SIM | Regular | ||
| GSM/CDMA | GSM | GSM | ||
| 3G | Yes | Yes | ||
| 4G/ LTE | Yes | No | ||
| sim 2 | ||||
| SIM Type | Nano-SIM | - | ||
| GSM/CDMA | GSM | - | ||
| 3G | Yes | - | ||
| 4G/ LTE | Yes | - | ||
| sensors | ||||
| Fingerprint sensor | Yes | - | ||
| Compass/ Magnetometer | Yes | Yes | ||
| Proximity sensor | Yes | Yes | ||
| Accelerometer | Yes | Yes | ||
| Ambient light sensor | Yes | Yes | ||
| Gyroscope | Yes | No | ||
| Barometer | No | No | ||
| Temperature sensor | No | No | ||
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