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| Manufacturer | Samsung | Samsung | Asus |
| Announced | March 2011 | August 2011 | January 2014 |
| Status | Available - May 2011 | Available - November 2011 | Available - June 2014 |
| Colors | Metallic Gray | Black | Black, White, Red, Blue, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
230.9 x 157.8 x 8.6 mm (9.09 x 6.21 x 0.34 in) |
230.9 x 157.8 x 8.6 mm (9.09 x 6.21 x 0.34 in) |
148.2 x 72.8 x 5.5-10.3 (5.83 x 2.87 x 0.22-0.41) |
| Weight | 447.9 g (15.77.0.32 oz) | 455 g (16.05 oz) | 140 g (4.94 oz) |
| 2G Network | N/A | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 1900 / 2100 - for AT&T HSDPA 900 / 2100 |
HSDPA 850 / 900 / 1900 / 2100 | |
| 4G Network | - | LTE 700 MHz Class 17 / 1700 / 2100 - for AT&T | - |
| Messaging | , EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v3.0 (Honeycomb), upgradable to v3.1 | Android OS, v3.2 (Honeycomb) | Android OS, v4.3 (Jelly Bean), upgradable to v4.4.2 (KitKat) |
| Processor | Dual-core 1 GHz Cortex-A9, Nvidia Tegra 2 T20 | Dual-core 1.5 GHz | Dual-core 2.0 GHz / Dual-core 1.6 GHz, Intel Atom Z2580/Z2560 |
| GPU | ULP GeForce | PowerVR SGX544MP2 | |
| RAM | 1 GB | 1 GB | 1/2 GB |
| Internal Memory | 16/32/64 GB storage | 16/32 GB storage | 8/16 GB |
| External Memory | No | No | microSD, up to 64 GB |
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| Type | PLS TFT capacitive touchscreen | PLS TFT capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 8.9 inches | 8.9 inches | 5.0 inches |
| Resolution | 800 x 1280 pixels (170 ppi) | 800 x 1280 pixels (170 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 62.74% | 62.74% | 63.76% |
| Multi-Touch | ![]() |
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| 3.5mm Jack | ![]() |
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| Radio | No | No | FM Radio |
| Games | Yes | Yes | Yes + Downloadable |
| Loud Speaker | ![]() |
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| Rear Camera | 3.15 MP, 2048x1536 pixels | 3.15 MP, 2048x1536 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, 720p | Yes, 720p | Yes |
| Front Camera | Yes, 2 MP [Similar] | Yes, 2 MP [Similar] | Yes, 2 MP [Similar] |
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| GPRS | No | Yes | Yes |
| Edge | No | Yes | Yes |
| 3G | No | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP, EDR | Yes, v3.0 with A2DP, EDR | Yes, v4.0 with A2DP, EDR |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, Wi-Fi hotspot, DLNA | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, v2.0, HS | Yes, v2.0 | Yes, microUSB v2.0 |
| GPS | Yes | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML, Adobe Flash | HTML, Adobe Flash | HTML |
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| Internal | 16/32/64 GB storage, 1GB RAM | 16/32 GB storage, 1GB RAM | 8/16 GB, 1/2 GB RAM |
| Expandable Storage | No | No | microSD, up to 64 GB |
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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-Ion | Non-removable Li-Po Battery |
| Capacity | 6000 mAh | 6100 mAh | 2110 mAh |
| Stand by | Up to 400 h | Up to 353 h (3G) | |
| Talk Time | Up to 11 h | Up to 18 h 30 min (3G) | |