Phone Comparison - Samsung Galaxy S Duos S7562 vs Micromax Unite 2 A106 vs Xiaomi Redmi 1S
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| Manufacturer | Samsung | Micromax | Xiaomi |
| Announced | July 2012 | May 2014 | May 2014 |
| Status | Available - September 2012 | Available - May 2014 | Available - May 2014 |
| Colors | White | Pristine White, Balmy Green, Mystic Grey, Raging Red | Black, Chinese Red, Metallic Gray/ blue, green, yellow panels |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.5 x 63.1 x 10.5 mm (4.78 x 2.48 x 0.41 in) |
138.9 x 71.9 x 9.4 mm (5.47 x 2.83 x 0.37 in) |
137 x 69 x 9.9 mm (5.39 x 2.72 x 0.39 in) |
| Weight | 120 g (4.23 oz) | 158.5 g (5.57.0.18 oz) | 158 g (5.57 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 2100 | HSDPA 1900 / 2100 |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.0 (Ice Cream Sandwich) | Android OS, v4.4.2 (KitKat) | Android OS, v4.3 (Jelly Bean) |
| Processor | 1 GHz Cortex-A5, Qualcomm MSM7227A Snapdragon | Quad-core 1.3 GHz, Mediatek MT6582M | Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8228 Snapdragon |
| GPU | Adreno 200 | Mali-400MP2 | Adreno 305 |
| RAM | 768 MB | 1 GB | 1 GB |
| Internal Memory | 4 GB storage | 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage) | 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 | IPS LCD Capacitive Touchscreen | IPS LCD Capacitive Touchscreen, Corning Gorilla Glass 2 |
| Colors | 16M colors | 16.7M colors | 16M colors |
| Size | 4.0 inches | 4.7 inches | 4.7 inches |
| Resolution | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (199 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | 59.52% | 62.64% | 64.61% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS | FM Radio with Recording | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 5 MP, 2592x1944 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR | Auto focus, 1.4 µm Pixel Size, Geo-tagging, Touch Focus, Face And Smile Detection, HDR |
| Video | Yes, FWVGA@30fps | Yes, 1080p | 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, 2 MP, 720p [Similar] | 1.3 MP, 720p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, HSUPA |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP | v4.0, A2DP, LE |
| 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 Direct, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go | microUSB v2.0, USB On-the-go |
| GPS | Yes, with A-GPS support | Yes, with A-GPS support | Yes, with A-GPS |
| Browser | HTML, Adobe Flash Lite | HTML5 | HTML5 |
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| Internal | 4 GB storage, 768 MB RAM | 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage), 1 GB 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 | 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 | Standard battery, Li-Ion | Li-Ion Battery | Li-Po Battery |
| Capacity | 1500 mAh | 2000 mAh | 2000 mAh |
| Stand by | Up to 445 h (2G) Up to 330 h (3G) |
Up to 190 h | - |
| Talk Time | Up to 13 h (2G) Up to 7 h 25 min (3G) |
Up to 8 h | - |
