Phone Comparison - Karbonn A9+ vs Karbonn S1 Titanium vs Micromax A91 Ninja
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| Manufacturer | Karbonn | Karbonn | Micromax |
| Announced | 2012 | January 2013 | April 2013 |
| Status | Available | Available - January 2013 | Available - April 2013 |
| Colors | Pearl White | Black, White | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
120 x 60.5 x 11.3 mm (4.72 x 2.38 x 0.44 in) |
134.6 x 66 x 9.3 mm (5.3 x 2.6 x 0.37 in) |
130 x 66 x 10 mm (5.12 x 2.6 x 0.39 in) |
| Weight | - | - | - |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 2100 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 2100 | HSDPA 2100 | HSDPA 2100 - SIM 1 only |
| 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 (Ice Cream Sandwich) | Android OS, v4.1 (Jelly Bean) | Android OS, v4.0 (Ice Cream Sandwich) |
| Processor | Dual-core 1.2 GHz, Qualcomm MSM8255 Snapdragon | Quad-core 1.2 GHz | Dual-core 1 GHz Cortex-A9, MediaTek MT6577 |
| GPU | Adreno 203 | - | PowerVR SGX531 |
| RAM | 512 MB | 1 GB | N/A |
| Internal Memory | 4 GB | 4 GB | 4 GB (2 GB user available), 512 MB |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | IPS LCD capacitive touchscreen | IPS LCD capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.0 inches | 4.5 inches | 4.5 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 540 x 960 pixels (245 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | 62.86% | 62.72% | 64.86% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 5 MP, 2592х1944 pixels | 5 MP, 2592х1944 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Face Detection | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes | Yes | Yes |
| Front Camera | Yes, 1.3 MP [Similar] | Yes [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 7.2 Mbps | HSDPA | HSDPA 21 Mbps, HSUPA 5.76 Mbps |
| Bluetooth | Yes, with A2DP | Yes, with A2DP | Yes, v3.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, 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, USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML | HTML | HTML5 |
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| Internal | 4 GB, 512 MB RAM | 4 GB, 1 GB RAM | 4 GB (2 GB user available), 512 MB |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 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 | Li-Ion Battery | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1420 mAh | 1600 mAh | 1800 mAh |
| Stand by | Up to 200 h | Up to 200 h | - |
| Talk Time | Up to 4 h | Up to 4 h | - |
