Phone Comparison - Karbonn A4+ vs Spice Mi-450 Smartflo Ivory vs Celkon Campus A63
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| Manufacturer | Karbonn | Spice | Celkon |
| Announced | May 2013 | May 2013 | August 2013 |
| Status | Available - May 2013 | Available - May 2013 | Available - August 2013 |
| Colors | White/Black | White | Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
131.7 x 68.5 x 11.1 mm (5.19 x 2.7 x 0.44 in) |
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| Weight | - | 130 g (4.59 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 | No |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.2 (Jelly Bean) |
| Processor | Dual-core 1 GHz | - | Dual-core 1 GHz, MediaTek MT6572 |
| GPU | - | - | Mali-400MP |
| RAM | 512 MB | N/A | 256 MB |
| Internal Memory | 139 MB | - | N/A |
| 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 | TFT capacitive touchscreen | TFT Capacitive Touchscreen |
| Colors | 16M colors | - | 262K colors |
| Size | 4.0 inches | 4.5 inches | 4.0 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (207 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | - | 64.09% | - |
| 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 | 3.2 MP, 2048x1536 pixels | 3.15 MP, 2048x1536 pixels | 3.2 MP, 2048x1536 pixels |
| Flash | No | LED flash | No |
| Features | Face Detection | - | Geo-tagging |
| Video | Yes | Yes | Yes |
| Front Camera | No [Similar] | Yes, 1.3 MP [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps | Yes |
| Edge | Yes | Class 12 | Yes |
| 3G | No | N/A | No |
| Bluetooth | Yes | Yes | Yes, v2.0 |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Yes | Wi-Fi 802.11 b/g/n |
| USB | Yes | Yes, microUSB | Yes, microUSB v2.0 |
| GPS | No | A-GPS support only | Yes |
| Browser | HTML | HTML | HTML5 |
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| Internal | 139 MB, 512 MB RAM | - | 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 | 1250 mAh | 1500 mAh | 1500 mAh |
| Stand by | - | Up to 250 h | - |
| Talk Time | - | Up to 6 h | - |
