Phone Comparison - Samsung Galaxy Alpha vs Samsung Galaxy A3 Duos vs Samsung Galaxy J2
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| Price Comparison (India) | - | - | |
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | August 2014 | October 2014 | September 2015 |
| Status | Available - September 2014 | Available - November 2014 | Available - September 2015 |
| Price | - | Rs. 14,265 ($209.78) [Similarly Priced] | Rs. 7,590 ($111.62) [Similarly Priced] |
| Colors | Black, white, gold, silver, blue | Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in) |
130.1 x 65.5 x 6.9 mm (5.12 x 2.58 x 0.27 in) |
136.5 x 69 x 8.4 mm (5.37 x 2.72 x 0.33 in) |
| Weight | 115 g (4.06 oz) | 110.3 g (3.88.0.11 oz) | 129 g (4.55 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 |
| 4G Network | LTE | LTE | LTE |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.4.4 (KitKat) | Android OS, v4.4.4 (KitKat) | Android OS, v5.1.1 (Lollipop) |
| 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 | Quad-core 1.3 GHz Cortex-A7, Exynos 3475 |
| GPU | Mali-T628 MP6 | Adreno 306 | Mali-T720 |
| RAM | 2 GB | 1 GB | 1 GB |
| Internal Memory | 32 GB | 16 GB | 8 GB |
| External Memory | No | No | microSD, up to 128 GB |
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| Type | Super AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen | Super AMOLED Capacitive Touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 4.5 inches | 4.7 inches |
| Resolution | 720 x 1280 pixels (320 ppi) | 540 x 960 pixels (245 ppi) | 540 x 960 pixels (234 ppi) |
| Screen-to-Body Ratio | 66.95% | 65.39% | 64.85% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | - | FM radio with RDS; recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12 MP, 4128 x 3096 pixels | 8 MP, 3264 x 2448 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, Touch Focus, Face Detection |
| Video | 2160p@30fps | - | Yes, 720p |
| Front Camera | 2.1 MP [Similar] | 5 MP [Similar] | 2 MP [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, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | v4.0, A2DP, EDR, LE | v4.0, A2DP, EDR, LE | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | 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, 1 GB RAM | 8 GB, 1 GB RAM |
| Expandable Storage | No | No | microSD, up to 128 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 | 1900 mAh | 2000 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
Rs. 7,590 
Rs. 7,450 
Rs. 7,590 
