Phone Comparison - Samsung Galaxy Star Duos S5282 vs Micromax Unite 2 A106 vs Karbonn Sparkle V
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| Manufacturer | Samsung | Micromax | Karbonn |
| Announced | April 2013 | May 2014 | September 2014 |
| Status | Available - May 2013 | Available - May 2014 | Available - September 2014 |
| Colors | Black, White, Blue | Pristine White, Balmy Green, Mystic Grey, Raging Red | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
105 x 58 x 11.9 mm (4.13 x 2.28 x 0.47 in) |
138.9 x 71.9 x 9.4 mm (5.47 x 2.83 x 0.37 in) |
113 x 66 x 10.4 mm (4.45 x 2.6 x 0.41 in) |
| Weight | 100.5 g (3.53.0.18 oz) | 158.5 g (5.57.0.18 oz) | - |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | N/A | HSDPA 2100 | HSDPA 2100 |
| 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, v4.1.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.4 (KitKat) |
| Processor | 1 GHz, Spreadtrum SP8810 | Quad-core 1.3 GHz, Mediatek MT6582M | Quad-core 1.3 GHz, Mediatek MT6582M |
| GPU | Mali-300 | Mali-400MP2 | Mali-400MP2 |
| RAM | 512 MB | 1 GB | 1 GB |
| Internal Memory | 4 GB | 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage) | 4 GB (2 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 | 65K colors | 16.7M colors | 16M colors |
| Size | 3.0 inches | 4.7 inches | 4.5 inches |
| Resolution | 240 x 320 pixels (133 ppi) | 480 x 800 pixels (199 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | 45.99% | 62.64% | 74.62% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS, FM Recording | FM Radio with Recording | FM Radio with Recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 2 MP, 1600x1200 pixels | 5 MP, 2592x1944 pixels | 5 MP, 2592x1944 pixels |
| Flash | No | LED flash | LED flash |
| Features | Fixed Focus, Smile Shot, | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR, Lens Blur, Panorama Shot, Photo Sphere |
| Video | Yes, QVGA@15fps | Yes, 1080p | Yes, 1080p |
| Front Camera | No [Similar] | Yes, 2 MP, 720p [Similar] | Yes, 2 MP, 720p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | No | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v4.0 | Yes, v4.0 with A2DP | 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, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0, USB On-the-go |
| GPS | No | Yes, with A-GPS support | Yes, with A-GPS support |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB, 512 MB RAM | 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage), 1 GB RAM | 4 GB (2 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 | 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-Po Battery |
| Capacity | 1200 mAh | 2000 mAh | 1700 mAh |
| Stand by | Up to 320 h | Up to 190 h | - |
| Talk Time | Up to 14 h | Up to 8 h | Up to 8 h |
