Celkon Campus A15 vs Nokia Lumia 635
General Info
| 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 |
Display
Hardware and OS
| 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 |
Camera
Multimedia
| 3.5mm Jack | |
| Radio | |
| FM radio | No |
| Games | |
| Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
Connectivity and Data Rate
| 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 |
User Memory
| 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 |
Sensors
| Fingerprint | |
| Proximity Sensor | |
| Accelerometer Sensor | |
| NFC | |
Battery
| 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) |