Phone Comparison - Samsung Galaxy Alpha vs Samsung Galaxy E7 vs Samsung Galaxy S Duos 3
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | August 2014 | January 2015 | February 2015 |
| Status | Available - September 2014 | Available - Feburary 2015 | Available - February 2015 |
| Price | - | Rs. 17,400 ($255.88) [Similarly Priced] | Rs. 5,300 ($77.94) [Similarly Priced] |
| Colors | Black, white, gold, silver, blue | Black, White, Blue | Black, White |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in) |
151.4 x 77.2 x 7.3 mm (5.96 x 3.04 x 0.29 in) |
121.4 x 62.9 x 10.8 mm (4.78 x 2.48 x 0.43 in) |
| Weight | 115 g (4.06 oz) | 141 g (4.97 oz) | 124 g (4.37 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | LTE | - | - |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.4.4 (KitKat) | Android OS, v4.4.4 (KitKat) | Android OS, v4.4 (KitKat) |
| Processor | Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 | Quad-core 1.2 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Dual-core 1.2 GHz Cortex-A7 |
| GPU | Mali-T628 MP6 | Adreno 306 | - |
| RAM | 2 GB | 2 GB | 512 MB |
| Internal Memory | 32 GB | 16 GB | 4 GB |
| External Memory | No | microSD, up to 128 GB | microSD, up to 64 GB |
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| Type | Super AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen | TFT capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 5.5 inches | 4.0 inches |
| Resolution | 720 x 1280 pixels (320 ppi) | 720 x 1280 pixels (267 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 66.95% | 71.36% | 59.76% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | - | FM radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12 MP, 4128 x 3096 pixels | 13 MP, 4128 x 3096 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama | Auto focus, Geo-tagging |
| Video | 2160p@30fps | 1080p@30fps | 720p@30fps |
| Front Camera | 2.1 MP [Similar] | 5 MP [Similar] | No [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL | HSPA 42.2/5.76 Mbps | HSPA 21.1/5.76 Mbps |
| Bluetooth | v4.0, A2DP, EDR, LE | v4.0, A2DP | v4.0, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Yes | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS |
| Browser | HTML5 | HTML5 | HTML |
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| Internal | 32 GB, 2 GB RAM | 16 GB, 2 GB RAM | 4 GB, 512 MB RAM |
| Expandable Storage | No | microSD, up to 128 GB | microSD, up to 64 GB |
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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 | Non-removable Li-Ion Battery | Li-Ion Battery |
| Capacity | 1860 mAh | 2950 mAh | 1500 mAh |
| Stand by | - | - | - |
| Talk Time | - | Up to 19 h (3G) | - |
