Phone Comparison - Karbonn A4 vs Karbonn A4+ vs Karbonn Titanium S4 Plus
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| Manufacturer | Karbonn | Karbonn | Karbonn |
| Announced | March 2013 | May 2013 | November 2014 |
| Status | Available - March 2013 | Available - May 2013 | Available - November 2014 |
| Price | - | - | Rs. 3,655 ($53.75) [Similarly Priced] |
| Colors | White/Black | White/Black | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
124.8 x 66 x 9.5 mm (4.91 x 2.6 x 0.37 in) |
- |
126.9 x 63.5 x 9.8 mm (5 x 2.5 x 0.39 in) |
| Weight | 75 g (2.65 oz) | - | 104 g (3.67 oz) |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | N/A | N/A | HSDPA 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v2.3.6 (Gingerbread) | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.4.4 (KitKat) |
| Processor | 1 GHz | Dual-core 1 GHz | Quad-core 1.3 GHz, Mediatek MT6582M |
| GPU | - | - | Mali-400MP2 |
| RAM | 256 MB | 512 MB | 1 GB |
| Internal Memory | 104 MB | 139 MB | 4 GB (1.73 GB user available) |
| 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 | IPS LCD Capacitive Touchscreen |
| Colors | 256K colors | 16M colors | 16M colors |
| Size | 4.0 inches | 4.0 inches | 4.0 inches |
| Resolution | 320 x 480 pixels (144 ppi) | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 58.02% | - | 56.63% |
| 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 | 3.2 MP, 2048x1536 pixels | 3.2 MP, 2048x1536 pixels | 5 MP, 2592x1944 pixels |
| Flash | No | No | LED flash |
| Features | Face Detection | Face Detection | - |
| Video | Yes | Yes | Yes |
| Front Camera | Yes, VGA [Similar] | No [Similar] | Yes, 2 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | No | No | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes | 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 hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes | Yes | Yes, microUSB v2.0, USB On-the-go |
| GPS | No | No | Yes, with A-GPS support |
| Browser | HTML | HTML | HTML5 |
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| Internal | 104 MB, 256 MB RAM, 512 MB ROM | 139 MB, 512 MB RAM | 4 GB (1.73 GB user available), 1 GB RAM |
| 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 | 1400 mAh | 1250 mAh | 1500 mAh |
| Stand by | Up to 250 h | - | - |
| Talk Time | Up to 4 h 10 min | - | - |
