Phone Comparison - Karbonn A12 vs Samsung Galaxy Trend II S7570 vs Micromax A72 Canvas Viva
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| Manufacturer | Karbonn | Samsung | Micromax |
| Announced | February 2013 | April 2013 | April 2013 |
| Status | Available - February 2013 | Available - May 2013 | Available - April 2013 |
| Colors | Black/White | White, Gray | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
135 x 66 x 11 mm (5.31 x 2.6 x 0.43 in) |
121.5 x 63.1 x 11.1 mm (4.78 x 2.48 x 0.44 in) |
142.8 x 76 x 10.6 mm (5.62 x 2.99 x 0.42 in) |
| Weight | 164 g (5.78 oz) | 128.5 g (4.52.0.18 oz) | 186 g (6.56 oz) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 - SIM1 & SIM 2 |
| 3G Network | HSDPA 2100 - SIM 1 only | HSDPA 900 / 2100 | No |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.1 (Jelly Bean) | Android OS, v2.3.6 (Gingerbread) |
| Processor | 1 GHz | Dual-core 1.2 GHz | 1 GHz |
| GPU | - | - | - |
| RAM | 512 MB | N/A | 256 MB |
| Internal Memory | 4 GB | - | 110 MB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | Capacitive Touchscreen | TFT capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 262K colors | - | - |
| Size | 4.5 inches | 4.0 inches | 5 inches |
| Resolution | 480 x 854 pixels (218 ppi) | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (187 ppi) |
| Screen-to-Body Ratio | 62.46% | 59.52% | 65.28% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | No | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 3.15 MP, 2048x1536 pixels | 3.0 MP, 2048x1536 pixels |
| Flash | LED flash | No | No |
| Features | Auto focus, Geo-tagging, Face Detection | - | Geo-tagging |
| Video | Yes | Yes | Yes |
| Front Camera | Yes, VGA [Similar] | No [Similar] | Yes, VGA [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; HSUPA, 5.76 Mbps | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | No |
| Bluetooth | Yes | Yes, v3.0 | Yes, v3.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n | 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 | Yes, with A-GPS support | Yes | No |
| Browser | HTML | HTML | HTML |
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| Internal | 4 GB, 512 MB RAM | - | 110 MB, 256 MB RAM, 512 MB ROM |
| 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 | 1800 mAh | 1500 mAh | 2000 mAh |
| Stand by | Up to 180 h | - | Up to 280 h |
| Talk Time | Up to 4 h | - | Up to 7 h |
