Phone Comparison - Karbonn A50 vs Karbonn Smart A51 vs Samsung Galaxy Grand Prime
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| Manufacturer | Karbonn | Karbonn | Samsung |
| Announced | July 2013 | September 2013 | September 2014 |
| Status | Available - July 2013 | Available - September 2013 | Available - September 2014 |
| Price | - | - | Rs. 7,499 ($110.28) [Similarly Priced] |
| Colors | Ivory White | White Silver | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - | - |
144.8 x 72.1 x 8.6 mm (5.7 x 2.84 x 0.34 in) |
| Weight | - | - | 156 g (5.5 oz) |
| 2G Network | GSM 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | No | No | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | - | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900) - G530F LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - G530FZ LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700) - G530Y LTE band 1(2100), 3(1800), 5(850), 8(900), 20(800), |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.4.4 (KitKat) |
| Processor | 1 GHz | 1 GHz | Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8226 Snapdragon 400 |
| GPU | - | - | Adreno 305 |
| RAM | 256 MB | 256 MB | 1 GB |
| Internal Memory | N/A | 512 MB (100 MB user available) | 8 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 | TFT Capacitive Touchscreen |
| Colors | 256K colors | 16M colors | 16M colors |
| Size | 3.5 inches | 3.5 inches | 5.0 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 320 x 480 pixels (165 ppi) | 540 x 960 pixels (220 ppi) |
| Screen-to-Body Ratio | - | - | 66.19% |
| 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 MP | 3.15 MP, 2048x1536 pixels | 8 MP, 3264x2448 pixels |
| Flash | No | LED flash | LED flash |
| Features | - | - | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Panorama |
| Video | Yes | Yes | Yes, 1080p@30fps |
| Front Camera | No [Similar] | Yes, VGA [Similar] | Yes, 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | No | No | HSDPA, 21 Mbps; HSUPAHSPA, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v2.0 | Yes | Yes, v4.0 with A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 b/g | Wi-Fi 802.11 b/g, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes | Yes, microUSB v2.0, USB Host |
| GPS | Yes | No | Yes, with A-GPS support and GLONASS |
| Browser | HTML | HTML | HTML5 |
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| Internal | 256 MB RAM | 512 MB (100 MB user available), 256 MB RAM | 8 GB, 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 | Non-removable Li-Ion Battery |
| Capacity | 1300 mAh | 1100 mAh | 2600 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
