Phone Comparison - Karbonn S2 Titanium vs Karbonn A27 Plus vs Karbonn Titanium S7
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| Manufacturer | Karbonn | Karbonn | Karbonn |
| Announced | May 2013 | March 2013 | November 2013 |
| Status | Available - May 2013 | Available - March 2013 | Available - December 2013 |
| Colors | Black, White | Black, White | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
145 x 74 x 9.9 mm (5.71 x 2.91 x 0.39 in) |
124 x 76 x 10 mm (4.88 x 2.99 x 0.39 in) |
143.5 x 72 x 9.3 mm (5.65 x 2.83 x 0.37 in) |
| Weight | 186 g (6.56 oz) | - | - |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 2100 | HSDPA 2100 | HSDPA 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | Smart Gestures, Blow to Unlock, ifloat |
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| OS | Android OS, v4.1 (Jelly Bean) | Android OS, v4.1 (Jelly Bean) | Android OS, v4.2 (Jelly Bean) |
| Processor | Quad-core 1.2 GHz | Dual-core 1.2 GHz | Quad-core 1.5 GHz, MTK 6589T |
| GPU | - | - | PowerVR SGX544 |
| RAM | 512 MB | 512 MB | N/A |
| Internal Memory | 4 GB | 4 GB | 16 GB ROM |
| 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, OGS Display |
| Colors | 16M colors | 16M colors | 16.7M colors |
| Size | 5.0 inches | 5.0 inches | 5.0 inches |
| Resolution | 480 x 854 pixels (196 ppi) | 540 x 960 pixels (220 ppi) | 1080 x 1920 pixels (441 ppi) |
| Screen-to-Body Ratio | 64.16% | 73.32% | 66.58% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM Radio with Recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264 x 2448 pixels | 8 MP, 3264 x 2448 pixels | 13 MP, 4128 x 3096 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, 360 degree Panorama, HDR, Image Stabilization |
| Video | Yes | Yes | Yes, 1080p@30fps |
| Front Camera | Yes, 2 MP [Similar] | Yes, VGA [Similar] | Yes, 2 MP, 1080p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA | HSDPA 7.2 Mbps | HSDPA, 42.2 Mbps, HSUPA, 11.5 Mbps |
| Bluetooth | Yes, with A2DP | Yes | Yes, v4.0 |
| 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 | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB, 512 MB RAM | 4 GB, 512 MB RAM | 16 GB 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 | 2100 mAh | 2000 mAh | 2000 mAh |
| Stand by | Up to 250 h | Up to 400 h | Up to 200 h |
| Talk Time | Up to 6 h | Up to 6 h | Up to 4 h |
