Phone Comparison - Celkon Campus A15 vs Nokia Lumia 635
Celkon Campus A15.jpg)
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Nokia Lumia 635.jpg)
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| Manufacturer | Celkon | Nokia |
| Announced | October 2013 | April 2014 |
| Status | Available - October 2013 | Available - May 2014 |
| Colors | White | Orange, Yellow, White, Black |
| Form Factor | Candybar | Candybar |
| Dimension | - |
129.5 x 66.7 x 9.2 mm (5.1 x 2.63 x 0.36 in) |
| Weight | - | 134 g (4.73 oz) |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | No | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | - | LTE |
| Messaging | SMS, MMS, Push Mail, EMail, IM | SMS, MMS, Push Mail, EMail, IM |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Microsoft Windows Phone 8.1 |
| Processor | Dual-core 1 GHz [Similar] | Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 [Similar] |
| GPU | - | Adreno 305 [Similar] |
| RAM | 256 MB [Browse Similar] | 512 MB [Browse Similar] |
| Internal Memory | 512 MB (App Memory - 165 MB, User Memory - 12.15 MB) | 8 GB |
| External Memory | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | TFT touchscreen | IPS LCD capacitive touchscreen |
| Colors | 16M colors | 16M colors |
| Size | 3.5 inches [Similar] | 4.5 inches [Similar] |
| Resolution | 320 x 480 pixels (165 ppi) | 480 x 854 pixels (218 ppi) [Similar] |
| Screen-to-Body Ratio | - | 64.43% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | No |
| Games | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 3.2 MP, 2048x1536 pixels [Similar] | 5 MP, 2592 х 1944 pixels [Similar] |
| Flash | No | No |
| Features | Fixed Focus | Geo-tagging |
| Video | Yes | Yes, 720p@30fps |
| Front Camera | No [Similar] | No [Similar] |
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| GPRS | Yes | Yes |
| Edge | Class 12 | Yes |
| 3G | No | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL |
| Bluetooth | Yes, with A2DP | Yes, v4.0 with A2DP |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n |
| USB | Yes | Yes, microUSB v2.0 |
| GPS | - | Yes, with A-GPS support and GLONASS |
| Browser | HTML | HTML5 |
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| Internal | 512 MB (App Memory - 165 MB, User Memory - 12.15 MB), 256 MB RAM | 8 GB, 512 MB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 64 GB |
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| Type | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1400 mAh | 1830 mAh |
| Stand by | - | Up to 648 h |
| Talk Time | - | Up to 12 h (2G) Up to 14 h (3G) |
