Phone Comparison - Celkon Campus A15 vs Nokia Lumia 635 vs Samsung Galaxy S5 Neo

general General Info

Manufacturer Celkon Nokia Samsung
Announced October 2013 April 2014 August 2015
Status Available - October 2013 Available - May 2014 Available - August 2015
Colors White Orange, Yellow, White, Black Black, White
Form Factor Candybar Candybar Candybar
Dimension - 129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
142 x 72.5 x 8.1 mm
(5.59 x 2.85 x 0.32 in)
Weight - 134 g (4.73 oz) 145 g (5.11 oz)
2G Network GSM 900 / 1800 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - all versions
3G Network No HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 1900 / 2100
4G Network - LTE LTE 800 / 850 / 900 / 1800 / 1900 / 2100 / 2600
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, EMail, IM

hardware Hardware and OS

OS Android OS, v4.2.2 (Jelly Bean) Microsoft Windows Phone 8.1 Android OS, v5.1.1 (Lollipop)
Processor Dual-core 1 GHz Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Octa-core 1.6 GHz Cortex-A53, Exynos 7580 Octa
GPU - Adreno 305 Mali-T720MP2
RAM 256 MB 512 MB 2 GB
Internal Memory 512 MB (App Memory - 165 MB, User Memory - 12.15 MB) 8 GB 16 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 128 GB

display Display

Type TFT touchscreen IPS LCD capacitive touchscreen Super AMOLED capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 3.5 inches 4.5 inches 5.1 inches
Resolution 320 x 480 pixels (165 ppi) 480 x 854 pixels (218 ppi) 1080 x 1920 pixels (432 ppi)
Screen-to-Body Ratio - 64.43% 69.63%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM radio No No
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 3.2 MP, 2048x1536 pixels 5 MP, 2592 х 1944 pixels 16 MP, f/1.9
Flash No No LED flash
Features Fixed Focus Geo-tagging Geo-tagging, Touch Focus, Face And Smile Detection, Panorama, HDR
Video Yes Yes, 720p@30fps 1080p@30fps
Front Camera No [Similar] No [Similar] 2 MP, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Class 12 Yes Yes
3G No HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL
Bluetooth Yes, with A2DP Yes, v4.0 with A2DP v4.0, A2DP, EDR, LE
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot
USB Yes Yes, microUSB v2.0 microUSB v2.0
GPS - Yes, with A-GPS support and GLONASS Yes, with A-GPS, GLONASS, Beidou
Browser HTML HTML5 HTML5

memory User Memory

Internal 512 MB (App Memory - 165 MB, User Memory - 12.15 MB), 256 MB RAM 8 GB, 512 MB RAM 16GB, 2 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB microSD, up to 128 GB

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint not supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Li-Ion Battery Li-Ion Battery 2800 mAh
Capacity 1400 mAh 1830 mAh -
Stand by - Up to 648 h -
Talk Time - Up to 12 h (2G)
Up to 14 h (3G)
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