Xiaomi Redmi 2 Prime vs Xiaomi Mi 4i vs Apple iPhone 6 vs Apple iPhone 4 comparison
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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 | 4.70-inch | 5.00-inch | 4.70-inch | 3.50-inch |
| Processor | Qualcomm Snapdragon 410 | Qualcomm Snapdragon 615 | Apple A8 | one-core |
| Front Camera | 2-megapixel | 5-megapixel | 1.2-megapixel | 0.3-megapixel |
| Rear Camera | 8-megapixel | 13-megapixel | 8-megapixel | 5-megapixel |
| RAM | 2GB | 2GB | 1GB | 512MB |
| Storage | 16GB | 16GB | 16GB | 8GB |
| Battery Capacity | 2200mAh | 3120mAh | 1810mAh | 1420mAh |
| OS | Android 4.4 | Android 5.0.2 | iOS 8.0 | iOS 6.1.3 |
| Resolution | 720x1280 pixels | 1080x1920 pixels | 750x1334 pixels | 640x960 pixels |
| general |
| Brand | Xiaomi | Xiaomi | Apple | Apple |
| Model | Redmi 2 Prime | Mi 4i | iPhone 6 | iPhone 4 |
| Release date | August 1, 2015 | April 1, 2015 | September 1, 2014 | June 1, 2010 |
| Form factor | Touchscreen | Touchscreen | Touchscreen | Touchscreen |
| Dimensions (mm) | 134.00 x 67.20 x 9.40 | 138.10 x 69.60 x 7.80 | 138.10 x 67.00 x 6.90 | 115.20 x 59.00 x 9.30 |
| Weight (g) | 133.00 | 130.00 | 129.00 | 137.00 |
| Battery capacity (mAh) | 2200 | 3120 | 1810 | 1420 |
| Removable battery | Yes | No | No | No |
| Colours | White, Dark Grey | Black, White, Orange, Light Blue, and Pink | Silver, Gold, Space Gray | Black |
| SAR value | 1.00 | - | - | - |
| Launched in India | - | - | Yes | - |
| Body type | - | - | Metal | - |
| display |
| Screen size (inches) | 4.70 | 5.00 | 4.70 | 3.50 |
| Touchscreen | Yes | Yes | Yes | Yes |
| Resolution | 720x1280 pixels | 1080x1920 pixels | 750x1334 pixels | 640x960 pixels |
| Pixels per inch (PPI) | 312 | 441 | 326 | 326 |
| Aspect ratio | - | - | 16:9 | - |
| hardware |
| Processor | 1.2GHz quad-core | 1.7GHz octa-core | 1.4GHz dual-core | one-core |
| Processor make | Qualcomm Snapdragon 410 | Qualcomm Snapdragon 615 | Apple A8 | - |
| RAM | 2GB | 2GB | 1GB | 512MB |
| Internal storage | 16GB | 16GB | 16GB | 8GB |
| Expandable storage | Yes | No | No | No |
| Expandable storage type | microSD | - | - | - |
| Expandable storage up to (GB) | 32 | - | - | - |
| camera |
| Rear camera | 8-megapixel | 13-megapixel | 8-megapixel (f/2.2, 1.5-micron) | 5-megapixel |
| Rear flash | Yes | Dual LED | Dual LED | LED |
| Front camera | 2-megapixel | 5-megapixel | 1.2-megapixel (f/2.2) | 0.3-megapixel |
| Rear autofocus | - | - | Phase detection autofocus | - |
| software |
| Operating system | Android 4.4 | Android 5.0.2 | iOS 8.0 | iOS 6.1.3 |
| Skin | MIUI 6 | MIUI 6 | - | - |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 b/g/n | 802.11 b/g/n/ac | 802.11 a/b/g/n | - |
| GPS | Yes | Yes | Yes | Yes |
| Bluetooth | Yes, v 4.00 | Yes, v 4.10 | Yes, v 4.20 | Yes, v 2.10 |
| NFC | No | No | Yes | No |
| Infrared | No | No | No | No |
| USB OTG | Yes | Yes | No | No |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | Yes | Yes | No | No |
| Number of SIMs | 2 | 2 | 1 | 1 |
| Wi-Fi Direct | Yes | Yes | No | No |
| Mobile High-Definition Link (MHL) | No | No | No | No |
| Lightning | - | - | Yes | - |
| sim 1 |
| SIM Type | Micro-SIM | Micro-SIM | Nano-SIM | Micro-SIM |
| GSM/CDMA | GSM | GSM | GSM | GSM |
| 3G | Yes | Yes | Yes | Yes |
| 4G/ LTE | Yes | Yes | Yes | No |
| sim 2 |
| SIM Type | Micro-SIM | Micro-SIM | - | - |
| GSM/CDMA | GSM | GSM | - | - |
| 3G | Yes | Yes | - | - |
| 4G/ LTE | Yes | Yes | - | - |
| sensors |
| Compass/ Magnetometer | Yes | Yes | Yes | 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 | Yes | No |
| Temperature sensor | No | No | No | No |
| Fingerprint sensor | - | - | Yes | - |