Phone Comparison - Samsung Galaxy Express vs Samsung Galaxy Alpha vs Samsung Galaxy J3
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | January 2013 | August 2014 | November 2015 |
| Status | Available - March 2013 | Available - September 2014 | Available - December 2015 |
| Price | - | - | Rs. 8,999 ($132.34) [Similarly Priced] |
| Colors | White | Black, white, gold, silver, blue | White, Black, Gold |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
132.2 x 69.1 x 9.3 mm (5.2 x 2.72 x 0.37 in) |
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in) |
142.3 x 71 x 7.9 mm (5.6 x 2.8 x 0.31 in) |
| Weight | 139.1 g (4.9.0.04 oz) | 115 g (4.06 oz) | 138 g (4.87 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (optional) |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 - EMEA |
| 4G Network | LTE 800 / 900 / 1800 / 2600 | LTE | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800) - EMEA |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.1 (Jelly Bean) | Android OS, v4.4.4 (KitKat) | Android OS, v5.1.1 (Lollipop) |
| Processor | Dual-core 1.2 GHz | Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 | Quad-core 1.2 GHz |
| GPU | - | Mali-T628 MP6 | - |
| RAM | 1 GB | 2 GB | 1.5 GB |
| Internal Memory | 8 GB storage | 32 GB | 8 GB |
| External Memory | microSD, up to 32 GB | No | microSD, up to 128 GB |
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| Type | Super AMOLED Plus capacitive touchscreen | Super AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.5 inches | 4.7 inches | 5.0 inches |
| Resolution | 480 x 800 pixels (207 ppi) | 720 x 1280 pixels (320 ppi) | 720 x 1280 pixels (294 ppi) |
| Screen-to-Body Ratio | 63.29% | 66.95% | 68.09% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio with RDS, FM r | No | FM radio with RDS; recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592х1944 pixels | 12 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 Detection | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR | Auto focus, Geo-tagging, Touch Focus, Face Detection |
| Video | Yes, 720p@30fps | 2160p@30fps | 1080p@30fps |
| Front Camera | Yes, 1.3 MP, 720p@30fps [Similar] | 2.1 MP [Similar] | 5 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA, LTE | HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP, EDR | v4.0, A2DP, EDR, LE | v4.1, A2DP |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, Wi-Fi hotspot | 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 |
| USB | Yes, microUSB v2.0 (MHL) | microUSB v2.0 | microUSB v2.0, USB On-The-Go |
| 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 storage, 1 GB RAM | 32 GB, 2 GB RAM | 8 GB, 1.5 GB RAM |
| Expandable Storage | microSD, up to 32 GB | No | microSD, up to 128 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 | Standard battery, Li-Ion | Li-Ion Battery | Li-Ion Battery |
| Capacity | 2000 mAh | 1860 mAh | 2600 mAh |
| Stand by | Up to 830 h (2G) Up to 770 h (3G) |
- | - |
| Talk Time | Up to 22 h 30 min (2G) Up to 11 h 30 min (3G) |
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