Phone Comparison - Samsung Galaxy Ace Duos vs Alcatel One Touch Star vs Samsung GALAXY S3 Neo GT-I9301I
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| Manufacturer | Samsung | Alcatel | Samsung |
| Announced | May 2012 | February 2013 | June 2014 |
| Status | Available - June 2012 | Available - March 2013 | Available - June 2014 |
| Colors | Black | Black, White, Orange | Black, Blue, Brown, Red, Gray, White, Pink |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
112.7 x 61.5 x 11.5 mm (4.44 x 2.42 x 0.45 in) |
117.9 x 60.8 x 9.7 mm (4.64 x 2.39 x 0.38 in) |
136.6 x 70.7 x 8.6 mm (5.38 x 2.78 x 0.34 in) |
| Weight | 122 g (4.3 oz) | 119.5 g (4.2.0.18 oz) | 132 g (4.66 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 |
GSM 850 / 900 / 1800 / 1900 - 6010 GSM 850 / 900 / 1800 / 1900 - 6010D (SIM 1 & SIM 2) |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| Messaging | SMS, MMS | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v2.3 (Gingerbread) | Android OS, v4.1 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | 832 MHz | Dual-core 1 GHz | Quad-core 1.4 GHz Cortex-A7, - |
| GPU | - | - | |
| RAM | N/A | 512 MB | 1.5 GB |
| Internal Memory | 3 GB storage, 512 MB | 4 GB (2.4 GB user available) | 16 GB storage |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | TFT capacitive touchscreen | AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 3.5 inches | 4.0 inches | 4.8 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (306 ppi) |
| Screen-to-Body Ratio | 52.52% | 63.66% | 65.75% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | - | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 5 MP, 2592х1944 pixels | 8 MP, 3264x2448 pixels |
| Flash | No | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging | Auto focus, Simultaneous HD Video And Image Recording, Geo-tagging, Touch Focus, Face And Smile Detection, Image Stabilization |
| Video | Yes | Yes | Yes, 1080p@30fps |
| Front Camera | No [Similar] | Yes, VGA [Similar] | Yes, 1.9 MP, 720p@30fps [Similar] |
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| GPRS | Yes | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps |
| Edge | Yes | Yes | Class 12 |
| 3G | HSDPA, 7.2 Mbps | HSDPA, HSUPA | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP, EDR |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, DLNA, Wi-Fi Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 (MHL), USB On-the-go |
| GPS | Yes, with A-GPS support | Yes | Yes, with A-GPS support and GLONASS |
| Browser | HTML | HTML | HTML, Adobe Flash |
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| Internal | 3GB storage, 512 MB | 4 GB (2.4 GB user available), 512 MB RAM | 16 GB storage, 1.5 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 64 GB |
| USB OTG | - | - | Supported |
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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-Ion | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1300 mAh | 1500 mAh | 2100 mAh |
| Stand by | Up to 520 h (2G) Up to 410 h (3G) |
Up to 300 h (2G) Up to 280 h (3G) |
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| Talk Time | Up to 6 h 30 min (2G) Up to 16 h 40 min (3G) |
Up to 4 h 30 min (2G) Up to 3 h 30 min (3G) |
Up to 14 h |
