Phone Comparison - Apple iPad 2 Wi-Fi + 3G vs Apple iPad 3 Wi-Fi + 4G vs Apple iPad 4 Wi-Fi
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| Manufacturer | Apple | Apple | Apple |
| Announced | March 2011 | March 2012 | October 2012 |
| Status | Available - March 2011 | Available - March 2012 | Available - November 2012 |
| Colors | Black, White | Black, White | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
241.2 x 185.7 x 8.8 mm (9.5 x 7.31 x 0.35 in) |
241.2 x 185.7 x 9.4 mm (9.5 x 7.31 x 0.37 in) |
241.2 x 185.7 x 9.4 mm (9.5 x 7.31 x 0.37 in) |
| Weight | 607 g (21.41 oz) | 662 g (23.35 oz) | 652 g (23 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 for AT&T CDMA2000 1xEV-DO for Verizon |
N/A |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 for AT&T | N/A |
| 4G Network | - | LTE 700 MHz Class 17 / 2100 for AT&T | - |
| Messaging | , Push Mail, EMail, IM | , Push Mail, EMail, IM | , Push Mail, EMail, IM |
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| OS | iOS 4, upgradable to iOS 5 | iOS 5 | iOS 6 |
| Processor | Dual-core 1 GHz Cortex-A9, Apple A5 | Dual-core 1 GHz Cortex-A9, Apple A5X | Dual-core 1.4 GHz, Apple A6X |
| GPU | PowerVR SGX543MP2 | PowerVR SGX543MP4 | PowerVR SGX554MP4 (quad-core graphics) |
| RAM | 512 MB | N/A | 1 GB |
| Internal Memory | 16/32/64 GB storage | 16/32/64 GB storage | 16/32/64 GB storage |
| External Memory | No | No | No |
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| Type | LED-backlit IPS TFT, capacitive touchscreen | LED-backlit IPS TFT, capacitive touchscreen | LED-backlit IPS LCD, capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 9.7 inches | 9.7 inches | 9.7 inches |
| Resolution | 768 x 1024 pixels (132 ppi) | 1536 x 2048 pixels (264 ppi) | 1536 x 2048 pixels (264 ppi) |
| Screen-to-Body Ratio | 65.01% | 65.01% | 65.01% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | No | No |
| Games | Yes | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 0.7 MP, 960 x 720 pixels | 5 MP, 2592 x 1944 pixels | 5 MP, 2592 x 1944 pixels |
| Flash | No | No | No |
| Features | No | Auto focus, Touch Focus, Geo-tagging, HDR, Face Detection | Auto focus, Touch Focus, Geo-tagging, Face Detection |
| Video | Yes, 720p@30fps | Yes, 1080p@30fps, video stabilization | Yes, 1080p@30fps, video stabilization |
| Front Camera | Yes, VGA [Similar] | Yes, VGA [Similar] | Yes, 1.2 MP, 720p@30fps, face detection, [Similar] |
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| GPRS | Yes | Yes | No |
| Edge | Yes | Yes | No |
| 3G | HSDPA; HSUPA | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps, LTE, 73 Mbps; Rev. A, up to 3.1 Mbps | N/A |
| Bluetooth | Yes, v2.1 with A2DP, EDR | Yes, v4.0 with A2DP, EDR | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n | Wi-Fi 802.11 a/b/g/n | Wi-Fi 802.11 a/b/g/n, dual-band |
| USB | Yes, v2.0 | Yes, v2.0 | Yes, v2.0 |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | No |
| Browser | HTML (Safari) | HTML (Safari) | HTML (Safari) |
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| Internal | 16/32/64 GB storage, 512 MB RAM | 16/32/64 GB storage | 16/32/64 GB storage, 1 GB RAM |
| Expandable Storage | No | No | No |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Standard battery, Li-Po | Standard battery, Li-Po | Non-removable, Li-Po Battery |
| Capacity | 6930 mAh (25 Wh) | 42.5 Wh | 11,560 mAh |
| Stand by | Up to 720 h | Up to 720 h | Up to 720 h |
| Talk Time | Up to 10 h | Up to 10 h | Up to 10 h |
