Phone Comparison - Samsung Galaxy Alpha vs Samsung Galaxy A3 (2016) vs Samsung Galaxy J7 Perx
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | August 2014 | December 2015 | Not Announced Yet |
| Status | Available - September 2014 | Coming Soon - December 2015 | Rumored |
| Price | - | Rs. 17,300 ($254.41) [Similarly Priced] | - |
| Colors | Black, white, gold, silver, blue | Various | 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) |
134.5 x 65.2 x 7.3 mm (5.3 x 2.57 x 0.29 in) |
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| Weight | 115 g (4.06 oz) | 132 g (4.66 oz) | - |
| SIM Type | - | - | Dual-SIM |
| 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 850 / 900 / 1900 / 2100 / 800 - Taiwan |
| 4G Network | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) | LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 18(800), 19(800), 26(850), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) - Taiwan |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
| Build Features | - | - | - Fingerprint Sensor |
| Notification LED | - | - | Yes |
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| OS | Android OS, v4.4.4 (KitKat) | Android OS, v5.1.1 (Lollipop) | Android OS, v7.0 (Nougat) |
| Processor | Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 | Quad-core 1.5 GHz Cortex-A53, Qualcomm MSM8916 Snapdragon 410 | Octa-core 2.0 GHz Cortex-A53, Qualcomm MSM8953 Snapdragon 625 |
| GPU | Mali-T628 MP6 | Adreno 306 | Adreno 506 |
| RAM | 2 GB | 1.5 GB | 2/3 GB |
| Internal Memory | 32 GB | 16 GB | 16/32 GB |
| External Memory | No | microSD, up to 128 GB | microSD, up to 256 GB |
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| Type | Super AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen | Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 3 |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.7 inches | 4.7 inches | 5.5 inches |
| Resolution | 720 x 1280 pixels (320 ppi) | 720 x 1280 pixels (312 ppi) | 1080 x 1920 pixels (401 ppi) |
| Screen-to-Body Ratio | 66.95% | 69.65% | - |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | FM radio | 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 | 13 MP, 4160 x 3120 pixels |
| Flash | LED flash | LED flash | Dual-LED (dual Tone) |
| Features | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection, Panorama | Phase Detection Autofocus (PDAF), f/1.9 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR |
| Video | 2160p@30fps | 1080p@30fps | 1080p@30fps |
| Front Camera | 2.1 MP [Similar] | 5 MP [Similar] | 5 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 Cat6 300/50 Mbps, VoLTE |
| Bluetooth | v4.0, A2DP, EDR, LE | v4.1, A2DP, EDR, LE | v4.2, A2DP, EDR, LE |
| 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 Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, Wi-Fi Direct, hotspot |
| USB | microUSB v2.0 | microUSB v2.0 | Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS/ BDS (market dependant) | Yes, with A-GPS, GLONASS, BDS |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 32 GB, 2 GB RAM | 16 GB, 1.5 GB RAM | 16/32 GB, 2/3 GB RAM |
| Expandable Storage | No | microSD, up to 128 GB | microSD, up to 256 GB |
| USB OTG | - | - | 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 | Non-removable Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 1860 mAh | 2300 mAh | 3300 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
