Xiaomi Redmi Note 2 vs Xiaomi Mi 4i vs Microsoft Lumia 430 Dual SIM vs Xiaomi Mi 4 comparison
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| key specs |
| Display | 5.50-inch | 5.00-inch | 4.00-inch | 5.00-inch |
| Processor | MediaTek Helio X10 | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 200 | Qualcomm Snapdragon 801 |
| Front Camera | 5-megapixel | 5-megapixel | 0.3-megapixel | 8-megapixel |
| Rear Camera | 13-megapixel | 13-megapixel | 2-megapixel | 13-megapixel |
| RAM | 2GB | 2GB | 1GB | 3GB |
| Storage | 16GB | 16GB | 8GB | 16GB |
| Battery Capacity | 3060mAh | 3120mAh | 1500mAh | 3080mAh |
| OS | Android 5.0 | Android 5.0.2 | Windows Phone 8.1 | Android 4.4 |
| Resolution | 1080x1920 pixels | 1080x1920 pixels | 480x800 pixels | 1080x1920 pixels |
| general |
| Brand | Xiaomi | Xiaomi | Microsoft | Xiaomi |
| Model | Redmi Note 2 | Mi 4i | Lumia 430 Dual SIM | Mi 4 |
| Release date | August 1, 2015 | April 1, 2015 | March 1, 2015 | July 1, 2014 |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 152.00 x 76.00 x 8.25 | 138.10 x 69.60 x 7.80 | 120.50 x 63.19 x 10.63 | 139.20 x 68.50 x 8.90 |
| Weight (g) | 160.00 | 130.00 | 127.90 | 156.00 |
| Battery capacity (mAh) | 3060 | 3120 | 1500 | 3080 |
| Removable battery | Yes | No | Yes | No |
| Colours | White, Blue, Yellow, Pink | Black, White, Orange, Light Blue, and Pink | Bright Orange, Black | White |
| Launched in India | - | - | - | Yes |
| display |
| Screen size (inches) | 5.50 | 5.00 | 4.00 | 5.00 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 1080x1920 pixels | 1080x1920 pixels | 480x800 pixels | 1080x1920 pixels |
| Pixels per inch (PPI) | 400 | 441 | 235 | - |
| Aspect ratio | - | - | - | 16:9 |
| hardware |
| Processor | 2GHz octa-core | 1.7GHz octa-core | 1.2GHz dual-core | 2.5GHz quad-core |
| Processor make | MediaTek Helio X10 (MT6795) | Qualcomm Snapdragon 615 | Qualcomm Snapdragon 200 | Qualcomm Snapdragon 801 |
| RAM | 2GB | 2GB | 1GB | 3GB |
| Internal storage | 16GB | 16GB | 8GB | 16GB |
| Expandable storage | Yes | No | Yes | No |
| Expandable storage type | microSD | - | microSD | - |
| Expandable storage up to (GB) | 32 | - | 128 | - |
| camera |
| Rear camera | 13-megapixel | 13-megapixel | 2-megapixel | 13-megapixel (f/1.8, 1.12-micron) |
| Rear flash | Yes | Dual LED | No | LED |
| Front camera | 5-megapixel | 5-megapixel | 0.3-megapixel | 8-megapixel (f/1.8) |
| Rear autofocus | - | - | - | Yes |
| software |
| Operating system | Android 5.0 | Android 5.0.2 | Windows Phone 8.1 | Android 4.4 |
| Skin | MIUI 7 | MIUI 6 | - | MIUI 6 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.00 | Yes, v 4.10 | Yes | Yes, v 4.00 |
| NFC | No | No | No | No |
| Infrared | Yes | No | No | Yes |
| USB OTG | No | Yes | No | Yes |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | Yes | Yes |
| Number of SIMs | 2 | 2 | 2 | 1 |
| Wi-Fi Direct | Yes | Yes | No | No |
| Mobile High-Definition Link (MHL) | No | No | No | No |
| Wi-Fi standards supported | - | 802.11 b/g/n/ac | - | 802.11 a/b/g/n/ac |
| Micro-USB | - | - | - | Yes |
| sim 1 |
| SIM Type | Micro-SIM | Micro-SIM | Micro-SIM | Micro-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | No | No |
| sim 2 |
| SIM Type | Micro-SIM | Micro-SIM | Micro-SIM | - |
| GSM/CDMA | GSM | GSM | GSM | - |
| 3G | Yes | Yes | No | - |
| 4G/ LTE | Yes | Yes | No | - |
| sensors |
| Compass/ Magnetometer | Yes | Yes | No | Yes |
| Proximity sensor | Yes | Yes | Yes | Yes |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | Yes | Yes | Yes |
| Gyroscope | Yes | Yes | Yes | Yes |
| Barometer | No | No | No | Yes |
| Temperature sensor | No | 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 | - | | - | |