Phone Comparison - Karbonn A7 Star vs Karbonn A27 Plus vs Sony Xperia C
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| Manufacturer | Karbonn | Karbonn | Sony |
| Announced | May 2013 | March 2013 | June 2013 |
| Status | Available - May 2013 | Available - March 2013 | Available - July 2013 |
| Colors | Black, White | Black, White | Black, White, Purple |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
124 x 76 x 10 mm (4.88 x 2.99 x 0.39 in) |
141.5 x 74.15 x 8.88 mm (5.57 x 2.92 x 0.35 in) |
| Weight | - | - | 153 g (5.4 oz) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | No | HSDPA 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.1 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Dual-core 1 GHz | Dual-core 1.2 GHz | Quad-core 1.2 GHz, MTK MT6589 |
| GPU | - | - | PowerVR SGX544 |
| RAM | 512 MB | 512 MB | 1 GB |
| Internal Memory | 164 MB | 4 GB | 4 GB |
| 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 | TFT capacitive touchscreen | Capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.5 inches | 5.0 inches | 5.0 inches |
| Resolution | 480 x 854 pixels (218 ppi) | 540 x 960 pixels (220 ppi) | 540 x 960 pixels (220 ppi) |
| Screen-to-Body Ratio | - | 73.32% | 65.86% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 8 MP, 3264 x 2448 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, Image Stabilization, HDR, Sweep Panorama, Sony Exmor RS for mobile image sensor |
| Video | Yes | Yes | Yes, 1080p |
| Front Camera | Yes, VGA [Similar] | Yes, VGA [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | No | HSDPA 7.2 Mbps | HSDPA 42 Mbps, HSUPA 11.5 Mbps |
| Bluetooth | Yes, with A2DP | Yes | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes | Yes, microUSB v2.0 |
| GPS | No | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 164 MB, 512 MB RAM | 4 GB, 512 MB RAM | 4 GB, 1 GB 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 | 1400 mAh | 2000 mAh | 2390 mAh |
| Stand by | - | Up to 400 h | Up to 605 h (2G) Up to 588 h (3G) |
| Talk Time | - | Up to 6 h | Up to 14 h 4 min (2G) Up to 12 h 25 min (3G) |
