Phone Comparison - Nokia Asha 503 Dual SIM vs Panasonic P31 vs Samsung Galaxy Core 2 Duos
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| Manufacturer | Nokia | Panasonic | Samsung |
| Announced | October 2013 | March 2014 | June 2014 |
| Status | Coming Soon - Q4 2013 | Available - May 2014 | Available - July 2014 |
| Colors | Yellow, black, green, red, blue, white | Pure White, Bluish 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) |
- |
130.3 x 68 x 9.8 mm (5.13 x 2.68 x 0.39 in) |
| Weight | 111.4 g (3.92.0.14 oz) | - | 138 g (4.87 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 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 900 / 2100 | HSDPA 2100 | HSDPA 900 / 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Nokia Asha software platform 1.2 | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.4.2 (KitKat) |
| Processor | - | Quad-core 1.3 GHz, Mediatek MT6582M | Quad-core 1.2 GHz |
| GPU | - | Mali-400MP2 | - |
| RAM | 64 MB | 512 MB | 768 MB |
| Internal Memory | N/A | 4 GB ROM | 4 GB |
| External Memory | microSD, up to 32 GB, 4 GB card included | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | TFT capacitive touchscreen | TFT Capacitive Touchscreen, Ultra Oleophobic Coating | TFT capacitive touchscreen |
| Colors | 256K colors | 16M colors | 16M colors |
| Size | 3.0 inches | 5 inches | 4.5 inches |
| Resolution | 240 x 320 pixels (133 ppi) | 480 x 854 pixels (196 ppi) | 480 x 800 pixels (207 ppi) |
| Screen-to-Body Ratio | 45.05% | - | 65.25% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | Stereo FM radio | FM Radio with Recording | FM Radio |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 5 MP, 2592x1944 pixels | 8 MP, 3264x2448 pixels | 5 MP, 2592 х 1944 pixels |
| Flash | LED flash | LED flash | LED flash |
| Features | - | Auto focus, Geo-tagging, Touch Focus, Face Detection, HDR | Auto focus, Geo-tagging, Touch Focus, Face And Smile Detection |
| Video | Yes, QVGA@15fps | Yes, 1080p@30fps | Yes |
| Front Camera | No [Similar] | Yes, VGA [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 hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0, USB On-the-go | Yes, microUSB v2.0 |
| GPS | No | Yes, with A-GPS support | Yes, with A-GPS support and GLONASS |
| Browser | WAP 2.0/xHTML | HTML5 | HTML |
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| Internal | 64 MB RAM | 4 GB ROM, 512 MB RAM | 4 GB, 768 MB RAM |
| Expandable Storage | microSD, up to 32 GB, 4 GB card included | microSD, up to 32 GB | microSD, up to 64 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 (BL-4U) | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1200 mAh | 2000 mAh | 2000 mAh |
| Stand by | Up to 480 h (2G) Up to 480 h (3G) |
Up to 699 h | - |
| Talk Time | Up to 12 h (2G) Up to 4 h 30 min (3G) |
Up to 9 h | - |
