Phone Comparison - Karbonn A7 Star vs Samsung Galaxy Core 2 Duos vs Micromax Canvas Spark Q380
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| Manufacturer | Karbonn | Samsung | Micromax |
| Announced | May 2013 | June 2014 | April 2015 |
| Status | Available - May 2013 | Available - July 2014 | Available - April 2015 |
| Price | - | - | Rs. 4,999 ($73.51) [Similarly Priced] |
| Colors | Black, White | White, Black | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - |
130.3 x 68 x 9.8 mm (5.13 x 2.68 x 0.39 in) |
8.5 mm thickness (0.33 in thickness) |
| Weight | - | 138 g (4.87 oz) | 134 g (4.73 oz) |
| 2G Network | GSM 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 | No | HSDPA 900 / 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | Cirrus Logic Wolfsan Stereo DAC (WM8918) |
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| OS | Android OS, v4.0.4 (Ice Cream Sandwich) | Android OS, v4.4.2 (KitKat) | Android OS, v5.0 (Lollipop) |
| Processor | Dual-core 1 GHz | Quad-core 1.2 GHz | Quad-core 1.3 GHz, Mediatek MT6582M |
| GPU | - | - | Mali-400MP2 |
| RAM | 512 MB | 768 MB | 1 GB |
| Internal Memory | 164 MB | 4 GB | 8 GB (4.5 GB for apps and mass storage) |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | TFT Capacitive Touchscreen | TFT capacitive touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16.7M colors |
| Size | 4.5 inches | 4.5 inches | 4.7 inches |
| Resolution | 480 x 854 pixels (218 ppi) | 480 x 800 pixels (207 ppi) | 540 x 960 pixels (234 ppi) |
| Screen-to-Body Ratio | - | 65.25% | - |
| 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 | 5 MP, 2592х1944 pixels | 5 MP, 2592 х 1944 pixels | 8 MP, 3264x2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection | Auto focus, OV Sensor 8858, Geo-tagging, Touch Focus, Face Detection, HDR |
| Video | Yes | Yes | Yes, 720p |
| Front Camera | Yes, VGA [Similar] | Yes, VGA [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, with A2DP | 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 | Yes, microUSB v2.0, USB On-the-go |
| GPS | No | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support |
| Browser | HTML | HTML | HTML5 |
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| Internal | 164 MB, 512 MB RAM | 4 GB, 768 MB RAM | 8 GB (4.5 GB for apps and mass storage), 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 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 | 2000 mAh | 2000 mAh |
| Stand by | - | - | Up to 335 h |
| Talk Time | - | - | Up to 9 h |
