Phone Comparison - Nokia Asha 503 Dual SIM vs Nokia Lumia 525 vs Samsung Galaxy S Duos 2 S7582
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| Manufacturer | Nokia | Nokia | Samsung |
| Announced | October 2013 | November 2013 | November 2013 |
| Status | Coming Soon - Q4 2013 | Available - January 2014 | Available - November 2013 |
| Colors | Yellow, black, green, red, blue, white | Yellow, orange, white, black | White, Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
102.6 x 60.6 x 12.7 mm (4.04 x 2.39 x 0.5 in) |
119.9 x 64 x 9.9 mm (4.72 x 2.52 x 0.39 in) |
121.5 x 63.1 x 10.57 mm (4.78 x 2.48 x 0.42 in) |
| Weight | 111.4 g (3.92.0.14 oz) | 124 g (4.37 oz) | 118 g (4.16 oz) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 900 / 2100 HSDPA 850 / 1900 / 2100 |
HSDPA 900 / 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail |
| Build Features | - | Super sensitive touch for finger nail and glove use, Changeable backcover | - |
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| OS | Nokia Asha software platform 1.2 | Microsoft Windows Phone 8 | Android OS, v4.2 (Jelly Bean) |
| Processor | - | Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4 | Dual-core 1.2 GHz Cortex-A9, Broadcom BCM21664 |
| GPU | - | Adreno 305 | Broadcom VideoCore IV |
| RAM | 64 MB | 1 GB | 768 MB |
| Internal Memory | N/A | 8 GB ROM | 4 GB (1.9 GB user available) |
| External Memory | microSD, up to 32 GB, 4 GB card included | microSD, up to 64 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | IPS LCD Capacitive Touchscreen, 2D Hardened Glass | TFT Capacitive Touchscreen, PLS |
| Colors | 256K colors | 16M colors | 16M colors |
| Size | 3.0 inches | 4.0 inches | 4.0 inches |
| Resolution | 240 x 320 pixels (133 ppi) | 480 x 800 pixels (233 ppi) | 480 x 800 pixels (233 ppi) |
| Screen-to-Body Ratio | 45.05% | 59.47% | 59.52% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio | FM Radio | Stereo FM radio with RDS |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 5 MP, 2592х1944 pixels | 5 MP, 2592х1944 pixels |
| Flash | LED flash | No | LED flash |
| Features | - | Auto focus, Geo-tagging, Touch Focus, Face Detection, Nokia Smart Camera, Cinemagraph lens, Panorama lens, Bing vision | Auto focus, Geo-tagging |
| Video | Yes, QVGA@15fps | Yes, 720p@30fps | Yes, 720p@30fps |
| Front Camera | No [Similar] | No [Similar] | Yes, VGA [Similar] |
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| GPRS | Up to 85.6 kbps | Yes | Yes |
| Edge | Up to 236.8 kbps | Yes | Yes |
| 3G | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v3.0 with A2DP | Yes, v4.0 with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot, Wi-Fi Direct |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | No | Yes, with A-GPS support and GLONASS | Yes, with A-GPS support and GLONASS |
| Browser | WAP 2.0/xHTML | HTML5 | HTML5 |
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| Internal | 64 MB RAM | 8 GB ROM, 1 GB RAM | 4 GB (1.9 GB user available), 768 MB RAM |
| Expandable Storage | microSD, up to 32 GB, 4 GB card included | microSD, up to 64 GB | microSD, up to 32 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 (BL-4U) | Li-Ion Battery | Standard battery, Li-Ion |
| Capacity | 1200 mAh | 1430 mAh | 1500 mAh |
| Stand by | Up to 480 h (2G) Up to 480 h (3G) |
Up to 336 h | Up to 280 h (3G) |
| Talk Time | Up to 12 h (2G) Up to 4 h 30 min (3G) |
Up to 16 h 54 min (2G) Up to 10 h 36 min (3G) |
Up to 8 h (3G) |
