Apple iPad Air Wi-Fi vs Apple iPad 4th generation Wi-Fi vs Apple iPad 3rd generation Wi-Fi + Cellular vs Apple iPad 2 Wi-Fi comparison
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| key specs |
| Display | 9.70-inch | 9.70-inch | 9.70-inch | 9.70-inch |
| Processor | 1.3GHz one-core | 1.4GHz one-core | 1GHz one-core | 1GHz one-core |
| Front Camera | 1.2-megapixel | 1.2-megapixel | 0.3-megapixel | 0.3-megapixel |
| Resolution | 1536x2048 pixels | 1536x2048 pixels | 1536x2048 pixels | 768x1024 pixels |
| RAM | 1GB | 1GB | 1GB | 512MB |
| OS | iOS 7 | iOS 6 | iOS 5.1 | iOS 4 |
| Storage | 16GB | 16GB | 16GB | 16GB |
| Rear Camera | 5-megapixel | 5-megapixel | 5-megapixel | 0.7-megapixel |
| Battery Capacity | 8820mAh | 11560mAh | 11560mAh | 6930mAh |
| general |
| Brand | Apple | Apple | Apple | Apple |
| Model | iPad Air Wi-Fi | iPad 4th generation Wi-Fi | iPad 3rd generation Wi-Fi + Cellular | iPad 2 Wi-Fi |
| Release date | September 1, 2013 | October 1, 2012 | March 1, 2012 | March 1, 2011 |
| Dimensions (mm) | 240.00 x 169.50 x 7.50 | 241.20 x 185.70 x 9.40 | 241.20 x 185.70 x 9.40 | 241.20 x 185.70 x 8.80 |
| Weight (g) | 469.00 | 652.00 | 662.00 | 607.00 |
| Battery capacity (mAh) | 8820 | 11560 | 11560 | 6930 |
| Removable battery | No | No | No | No |
| Alternate names | - | iPad 4 | iPad 3 | - |
| display |
| Screen size (inches) | 9.70 | 9.70 | 9.70 | 9.70 |
| Touchscreen | No | No | No | No |
| Resolution | 1536x2048 pixels | 1536x2048 pixels | 1536x2048 pixels | 768x1024 pixels |
| Pixels per inch (PPI) | 264 | 264 | 264 | 132 |
| hardware |
| Processor | 1.3GHz one-core | 1.4GHz one-core | 1GHz one-core | 1GHz one-core |
| RAM | 1GB | 1GB | 1GB | 512MB |
| Internal storage | 16GB | 16GB | 16GB | 16GB |
| Expandable storage | No | No | No | No |
| Expandable storage type | - | microSD | microSD | microSD |
| camera |
| Rear camera | 5-megapixel | 5-megapixel | 5-megapixel | 0.7-megapixel |
| Front camera | 1.2-megapixel | 1.2-megapixel | 0.3-megapixel | 0.3-megapixel |
| software |
| Operating system | iOS 7 | iOS 6 | iOS 5.1 | iOS 4 |
| connectivity |
| Wi-Fi | Yes | Yes | Yes | Yes |
| Wi-Fi standards supported | 802.11 b/g/n | - | - | - |
| GPS | No | Yes | Yes | Yes |
| Bluetooth | Yes | Yes | Yes | Yes |
| Bluetooth version | 4.00 | - | - | - |
| NFC | No | No | No | No |
| Infrared | No | No | No | No |
| USB OTG | No | No | No | No |
| Headphones | 3.5mm | 3.5mm | 3.5mm | 3.5mm |
| FM | No | No | No | No |
| Number of SIMs | 1 | - | 1 | - |
| Wi-Fi Direct | No | No | No | No |
| Mobile High-Definition Link (MHL) | No | No | No | No |
| sim 1 |
| 3G | No | - | Yes | - |
| 4G/ LTE | No | - | No | - |
| SIM Type | - | - | Micro-SIM | - |
| GSM/CDMA | - | - | GSM | - |
| sensors |
| Compass/ Magnetometer | Yes | Yes | Yes | Yes |
| Proximity sensor | No | No | No | No |
| Accelerometer | Yes | Yes | Yes | Yes |
| Ambient light sensor | Yes | No | No | No |
| Gyroscope | Yes | Yes | Yes | Yes |
| Barometer | No | No | No | No |
| Temperature sensor | No | No | No | No |