Phone Comparison - Samsung Galaxy Core 2 Duos vs Samsung Galaxy Alpha vs Samsung Galaxy S6 Active
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| Manufacturer | Samsung | Samsung | Samsung |
| Announced | June 2014 | August 2014 | June 2015 |
| Status | Available - July 2014 | Available - September 2014 | Available - June 2015 |
| Price | - | - | Rs. 595 ($999.99) [Similarly Priced] |
| Colors | White, Black | Black, white, gold, silver, blue | Yes |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
130.3 x 68 x 9.8 mm (5.13 x 2.68 x 0.39 in) |
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in) |
143.5 x 70.6 x 6.9 mm (5.65 x 2.78 x 0.27 in) |
| Weight | 138 g (4.87 oz) | 115 g (4.06 oz) | 138 g (4.87 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 17(700), 20(800) |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
| Build Features | - | - | - Fingerprint sensor (PayPal certified) - Samsung Pay (Visa, MasterCard certified) - IP67 certified - dust and water resistant up to 1 meter and 30 minutes - MIL-STD-810G certified - salt, dust, humidity, rain, vibration, solar radiation, |
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| OS | Android OS, v4.4.2 (KitKat) | Android OS, v4.4.4 (KitKat) | Android OS, v5.0.2 (Lollipop) |
| Processor | Quad-core 1.2 GHz | Quad-core 1.8 GHz Cortex-A15 & quad-core 1.3 GHz Cortex-A7, Exynos 5 Octa 5430 | Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57, Exynos 7420 |
| GPU | - | Mali-T628 MP6 | Mali-T760 |
| RAM | 768 MB | 2 GB | 3 GB |
| Internal Memory | 4 GB | 32 GB | 32/64/128 GB |
| External Memory | microSD, up to 64 GB | No | No |
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| Type | TFT capacitive touchscreen | Super AMOLED capacitive touchscreen | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 4.5 inches | 4.7 inches | 5.1 inches |
| Resolution | 480 x 800 pixels (207 ppi) | 720 x 1280 pixels (320 ppi) | 1440 x 2560 pixels (576 ppi) |
| Screen-to-Body Ratio | 65.25% | 66.95% | 70.76% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM Radio | No | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592 х 1944 pixels | 12 MP, 4128 x 3096 pixels | 16 MP, 2988 x 5312 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, Panorama, HDR | Auto focus, OIS, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama |
| Video | Yes | 2160p@30fps | 2160p@30fps |
| Front Camera | Yes, VGA [Similar] | 2.1 MP [Similar] | 5 MP, 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL | HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps |
| Bluetooth | Yes, v4.0 with A2DP | v4.0, A2DP, EDR, LE | v4.1, A2DP, LE, apt-X |
| Wi-Fi | Wi-Fi 802.11 b/g/n, 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 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | Yes, microUSB v2.0 | microUSB v2.0 | microUSB v2.0 (MHL 3 TV-out), USB Host |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML | HTML5 | HTML5 |
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| Internal | 4 GB, 768 MB RAM | 32 GB, 2 GB RAM | 32/64/128 GB, 3 GB RAM |
| Expandable Storage | microSD, up to 64 GB | No | No |
| 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 | Li-Ion Battery | Non-removable Li-Ion Battery |
| Capacity | 2000 mAh | 1860 mAh | 2550 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | Up to 23 h (3G) |
