Samsung Galaxy A9 vs Xiaomi Redmi Note 3 vs Xiaomi Mi 4c comparison
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| key specs |
| Display | 6.00-inch | 5.50-inch | 5.00-inch |
| Processor | Qualcomm Snapdragon 652 | Qualcomm Snapdragon 650 | Qualcomm Snapdragon 808 |
| Front Camera | 8-megapixel | 5-megapixel | 5-megapixel |
| Rear Camera | 13-megapixel | 16-megapixel | 13-megapixel |
| RAM | 3GB | 2GB | 2GB |
| Storage | 32GB | 16GB | 16GB |
| Battery Capacity | 4000mAh | 4050mAh | 3080mAh |
| OS | Android 5.1.1 | Android 5.1 | Android 5.0 |
| Resolution | 1080x1920 pixels | 1080x1920 pixels | 1080x1920 pixels |
| general |
| Brand | Samsung | Xiaomi | Xiaomi |
| Model | Galaxy A9 | Redmi Note 3 | Mi 4c |
| Release date | December 1, 2015 | November 1, 2015 | September 1, 2015 |
| Form factor | Touchscreen | Touchscreen | - |
| Thickness | 7.4 | - | - |
| Battery capacity (mAh) | 4000 | 4050 | 3080 |
| Removable battery | No | No | No |
| Colours | Pink, Gold, White | Gold, Silver, Dark Grey | Black, Blue, Orange, Pink, White |
| Launched in India | - | Yes | - |
| Dimensions (mm) | - | 150.00 x 76.00 x 8.65 | 138.10 x 69.60 x 7.80 |
| Weight (g) | - | 164.00 | 132.00 |
| SAR value | - | 0.56 | - |
| display |
| Screen size (inches) | 6.00 | 5.50 | 5.00 |
| Touchscreen | Yes | Yes | Yes |
| Resolution | 1080x1920 pixels | 1080x1920 pixels | 1080x1920 pixels |
| Aspect ratio | - | 16:9 | - |
| Pixels per inch (PPI) | - | 403 | 441 |
| hardware |
| Processor | 1.8GHz octa-core | hexa-core (4x1.4GHz + 4x1.8GHz) | 1.8GHz hexa-core |
| Processor make | Qualcomm Snapdragon 652 | Qualcomm Snapdragon 650 | Qualcomm Snapdragon 808 |
| RAM | 3GB | 2GB | 2GB |
| Internal storage | 32GB | 16GB | 16GB |
| Expandable storage | Yes | Yes | No |
| Expandable storage type | microSD | microSD | - |
| Expandable storage up to (GB) | 128 | 128 | - |
| camera |
| Rear camera | 13-megapixel | 16-megapixel (f/2.0) | 13-megapixel |
| Rear flash | LED | Dual LED | LED |
| Front camera | 8-megapixel | 5-megapixel (f/2.0) | 5-megapixel |
| Rear autofocus | - | Phase detection autofocus | - |
| Front flash | - | No | - |
| software |
| Operating system | Android 5.1.1 | Android 5.1 | Android 5.0 |
| Skin | - | MIUI 7 | MIUI 6 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes |
| GPS | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.10 | Yes, v 4.10 | Yes |
| NFC | Yes | No | No |
| Infrared | No | Yes | Yes |
| USB OTG | No | Yes | No |
| Headphones | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | Yes |
| Number of SIMs | 2 | 2 | 1 |
| Wi-Fi Direct | Yes | Yes | No |
| Mobile High-Definition Link (MHL) | No | No | No |
| Wi-Fi standards supported | - | 802.11 a/b/g/n/ac | - |
| Micro-USB | - | Yes | - |
| sim 1 |
| SIM Type | Regular | Nano-SIM | Micro-SIM |
| GSM/CDMA | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes |
| sim 2 |
| SIM Type | Regular | Micro-SIM | - |
| GSM/CDMA | GSM | GSM | - |
| 3G | Yes | Yes | - |
| 4G/ LTE | Yes | Yes | - |
| sensors |
| Compass/ Magnetometer | No | Yes | No |
| 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 | - |
| ratings |
| Overall NDTV Rating | - | Read Review | - |
| Design Rating | - | | - |
| Display Rating | - | | - |
| Software Rating | - | | - |
| Performance Rating | - | | - |
| Battery Life Rating | - | | - |
| Camera Rating | - | | - |
| Value for Money Rating | - | | - |