Phone Comparison - Samsung Galaxy Star Duos S5282 vs Karbonn A12+ vs Micromax Bolt A37B
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| Manufacturer | Samsung | Karbonn | Micromax |
| Announced | April 2013 | October 2013 | January 2014 |
| Status | Available - May 2013 | Available - October 2013 | Available - January 2014 |
| Colors | Black, White, Blue | White, Black | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
105 x 58 x 11.9 mm (4.13 x 2.28 x 0.47 in) |
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| Weight | 100.5 g (3.53.0.18 oz) | - | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | N/A | HSDPA 2100 | HSDPA 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.1.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | 1 GHz, Spreadtrum SP8810 | Dual-core 1.3 GHz, MTK 6572 | Dual-core 1.3 GHz, MTK 6572M |
| GPU | Mali-300 | Mali-400MP | Mali-400 |
| RAM | 512 MB | 512 MB | 256 MB |
| Internal Memory | 4 GB | 4 GB (1.27 GB for apps, 1.24 GB user available) | 512 MB (107 MB for Apps, 27.82 MB for Mass Storage) |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | IPS LCD Capacitive Touchscreen, Wide Viewing Angle | TFT capacitive touchscreen |
| Colors | 65K colors | 16M colors | 16M colors |
| Size | 3.0 inches | 4.0 inches | 3.5 inches |
| Resolution | 240 x 320 pixels (133 ppi) | 480 x 800 pixels (233 ppi) | 320 x 480 pixels (165 ppi) |
| Screen-to-Body Ratio | 45.99% | - | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS, FM Recording | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 2 MP, 1600x1200 pixels | 5 MP, 2592х1944 pixels | 2 MP, 1600x1200 pixels |
| Flash | No | LED flash | LED flash |
| Features | Fixed Focus, Smile Shot, | Auto-focus, Geo-tagging, Face Detection, Panorama | Fixed Focus, Geo-tagging |
| Video | Yes, QVGA@15fps | Yes, 720p | Yes |
| Front Camera | No [Similar] | Yes, 2 MP [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | No | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v4.0 | Yes, v2.0 A2DP, EDR | Yes, v2.1 with 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 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | No | Yes, with A-GPS support | No |
| Browser | HTML | HTML | HTML |
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| Internal | 4 GB, 512 MB RAM | 4 GB (1.27 GB for apps, 1.24 GB user available), 512 MB RAM | 512 MB (107 MB for Apps, 27.82 MB for Mass Storage), 256 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 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 | Li-Ion Battery | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1200 mAh | 1400 mAh | 1450 mAh |
| Stand by | Up to 320 h | - | Up to 256 h |
| Talk Time | Up to 14 h | - | Up to 5 h 30 min |
