Phone Comparison - Nokia Lumia 1520 vs Samsung Galaxy S Duos 2 S7582 vs Samsung Galaxy Alpha (S801)
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| Manufacturer | Nokia | Samsung | Samsung |
| Announced | October 2013 | November 2013 | August 2014 |
| Status | Available - November 2013 | Available - November 2013 | Available - September 2014 |
| Colors | Yellow, white, black, red | White, Black | Charcoal Black, Sleek Silver, Dazzling White, Frosted Gold, Scub |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
162.8 x 85.4 x 8.7 mm (6.41 x 3.36 x 0.34 in) |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
132.4 x 65.5 x 6.7 mm (5.21 x 2.58 x 0.26 in) |
| Weight | 209 g (7.37 oz) | 118 g (4.16 oz) | 115 g (4.06 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 900 / 2100 | HSDPA |
| 4G Network | LTE 800 / 900 / 1800 / 2100 / 2600 | - | LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail | SMS, MMS, EMail, IM |
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| OS | Microsoft Windows Phone 8 Amber | Android OS, v4.2 (Jelly Bean) | Android OS, v4.4.4 (KitKat) |
| Processor | Quad-core 2.2 GHz Krait 400, Qualcomm Snapdragon 800 | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 | Quad-core 2.5 GHz Krait 400, Qualcomm MSM8974AC Snapdragon 801 |
| GPU | Adreno 330 | Broadcom VideoCore IV | Adreno 330 |
| RAM | 2 GB | 768 MB | 2 GB |
| Internal Memory | 32 GB | 4 GB (1.9 GB user available) | 32 GB |
| External Memory | microSD, up to 64 GB | microSD, up to 32 GB | No |
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| Type | IPS LCD capacitive touchscreen | TFT Capacitive Touchscreen, PLS | Super AMOLED capacitive touchscreen |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 6.0 inches | 4.0 inches | 4.7 inches |
| Resolution | 1080 x 1920 pixels (367 ppi) | 480 x 800 pixels (233 ppi) | 720 x 1280 pixels (312 ppi) |
| Screen-to-Body Ratio | 71.44% | 59.52% | 70.43% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | Stereo FM radio with RDS | No |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 20 MP, Carl Zeiss optics | 5 MP, 2592х1944 pixels | 12 MP, 4128 x 3096 pixels |
| Flash | Dual-LED flash | LED flash | LED flash |
| Features | 1/2.5' Sensor Size, PureView Technology, Geo-tagging, Face Detection, Panorama | Auto focus, Geo-tagging | Auto focus, Dual Camera, Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR |
| Video | Yes, 1080p@30fps, video light, stereo sound rec. | Yes, 720p@30fps | 2160p@30fps, 1080p@60fps, 720p@120fps |
| Front Camera | Yes, 1.2 MP, 720p [Similar] | Yes, VGA [Similar] | 2.1 MP [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 42 Mbps, HSUPA; LTE-A, Cat6, 300 Mbps DL, 50 Mbps UL |
| Bluetooth | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP | v4.0, A2DP, EDR, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | microUSB v2.0 |
| GPS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS | Yes, with A-GPS, GLONASS, Beidou |
| Browser | HTML5 | HTML5 | HTML5 |
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| Internal | 32 GB, 2 GB RAM | 4 GB (1.9 GB user available), 768 MB RAM | 32 GB, 2 GB RAM |
| Expandable Storage | microSD, up to 64 GB | microSD, up to 32 GB | No |
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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 | Non-removable Li-Ion Battery (BV-4BW) | Standard battery, Li-Ion | Li-Ion Battery |
| Capacity | 3400 mAh | 1500 mAh | 1860 mAh |
| Stand by | Up to 768 h (2G) Up to 768 h (3G) |
Up to 280 h (3G) | - |
| Talk Time | Up to 27 h 40 min (2G) Up to 25 h (3G) |
Up to 8 h (3G) | - |
