Phone Comparison - Samsung Galaxy Mega 2 vs Xiaomi Redmi Note 4G vs Sony Xperia M2 Aqua
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| Manufacturer | Samsung | Xiaomi | Sony |
| Announced | August 2014 | August 2014 | August 2014 |
| Status | Available - August 2014 | Available - November 2014 | Available - September 2014 |
| Colors | White, Black | Black/White | Black, White, Golden |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
163.6 x 84.9 x 8.6 mm (6.44 x 3.34 x 0.34 in) |
154 x 78.7 x 9.5 mm (6.06 x 3.1 x 0.37 in) |
140 x 72 x 8.6 mm (5.51 x 2.83 x 0.34 in) |
| Weight | 194 g (6.84 oz) | 199 g (7.02 oz) | 149 g (5.26 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - all models |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | TD-SCDMA 1900 / 2000 | HSDPA 850 / 900 / 2100 - D2403 HSDPA 850 / 1700 / 1900 / 2100 - D2406 |
| 4G Network | LTE 800 / 850 / 900 / 1800 / 1900 / 2100 / 2600 | TD-LTE 1900 / 2300 / 2600 | LTE 800 / 850 / 900 / 1800 / 2100 / 2600 - D2403 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | - IP65/IP68 certified - dust and water proof up to 1.5 meter and 30 minutes |
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| OS | Android OS, v4.4.3 (KitKat) | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | Quad-core 1.5 GHz, Qualcomm Snapdragon 410 | Quad-core 1.6 GHz Cortex-A7, Qualcomm MSM8928 Snapdragon 400 | Quad-core 1.2 GHz Cortex-A7, Qualcomm MSM8926-2 Snapdragon 400 |
| GPU | Adreno 306 | Adreno 305 | Adreno 305 |
| RAM | 1.5 GB | 2 GB | 1 GB |
| Internal Memory | 8 GB | 8 GB | 8 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | IPS LCD capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.0 inches | 5.5 inches | 4.8 inches |
| Resolution | 720 x 1280 pixels (245 ppi) | 720 x 1280 pixels (267 ppi) | 540 x 960 pixels (229 ppi) |
| Screen-to-Body Ratio | 71.32% | 68.82% | 63.27% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio | FM radio | FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 8 MP, 3264x2448 pixels | 13 MP, 4128 x 3096 pixels | 8 MP, 3264 x 2448 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, HDR, Panorama |
| Video | Yes, 1080p@30fps | 1080p@30fps | 1080p@30fps, HDR |
| Front Camera | Yes, 2 MP, 720p [Similar] | 5 MP [Similar] | VGA, 480p [Similar] |
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| GPRS | Yes | Yes | Up to 107 kbps |
| Edge | Yes | Yes | Up to 296 kbps |
| 3G | HSDPA 42 Mbps, HSUPA; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | TD-SCDMA; LTE | HSDPA, 42 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL |
| Bluetooth | Yes, v4.0 with A2DP, LE | v4.0, A2DP, LE | v4.0, A2DP, apt-X, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, Wi-Fi hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0, USB On-the-go | microUSB v2.0, USB On-the-go, USB Host |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 8 GB, 1.5 GB RAM | 8 GB, 2 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 64 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-Po Battery | Non-removable Li-Ion Battery |
| Capacity | 2800 mAh | 3200 mAh | 2300 mAh |
| Stand by | - | Up to 775 h (3G) | Up to 595 h (2G) Up to 641 h (3G) |
| Talk Time | - | Up to 38 h (2G) Up to 14 h (3G) |
Up to 11 h 23 min (2G) Up to 12 h 11 min (3G) |
