Phone Comparison - Samsung Galaxy S Duos 2 S7582 vs Micromax Unite 2 A106 vs Xiaomi Redmi 2 Prime
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| Manufacturer | Samsung | Micromax | Xiaomi |
| Announced | November 2013 | May 2014 | August 2015 |
| Status | Available - November 2013 | Available - May 2014 | Available - August 2015 |
| Price | - | - | Rs. 6,999 ($102.93) [Similarly Priced] |
| Colors | White, Black | Pristine White, Balmy Green, Mystic Grey, Raging Red | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
138.9 x 71.9 x 9.4 mm (5.47 x 2.83 x 0.37 in) |
134 x 67.2 x 9.4 mm (5.28 x 2.65 x 0.37 in) |
| Weight | 118 g (4.16 oz) | 158.5 g (5.57.0.18 oz) | 133 g (4.69 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 2100 | HSDPA 900 / 2100 |
| 4G Network | - | - | LTE |
| Messaging | SMS, MMS, Push Mail, EMail | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.4 (KitKat) |
| Processor | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 | Quad-core 1.3 GHz, Mediatek MT6582M | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 |
| GPU | Broadcom VideoCore IV | Mali-400MP2 | Adreno 306 |
| RAM | 768 MB | 1 GB | 2 GB |
| Internal Memory | 4 GB (1.9 GB user available) | 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage) | 16 GB (13.78 GB for Apps and Phone Storage) |
| 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, PLS | IPS LCD Capacitive Touchscreen | IPS LCD capacitive touchscreen |
| 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% | 67.83% |
| 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, BSI Sensor, Geo-tagging, Touch Focus, Face/smile Detection, HDR |
| Video | Yes, 720p@30fps | Yes, 1080p | 1080p@30fps |
| Front Camera | Yes, VGA [Similar] | Yes, 2 MP, 720p [Similar] | 2 MP, 720p [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSPA, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 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 Direct | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go | microUSB v2.0, USB Host |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 4 GB (1.9 GB user available), 768 MB RAM | 4/8 GB (0.89 GB for apps, 1.67 GB for mass storage), 1 GB RAM | 16 GB (13.78 GB for Apps and Phone Storage), 2 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 | 2200 mAh |
| Stand by | Up to 280 h (3G) | Up to 190 h | - |
| Talk Time | Up to 8 h (3G) | Up to 8 h | - |
