Phone Comparison - Nokia X vs Nokia Lumia 635 vs Nokia X2

general General Info

Manufacturer Nokia Nokia Nokia
Announced February 2014 April 2014 June 2014
Status Available - February 2014 Available - May 2014 Available - June 2014
Colors White, Black, Red, Yellow, Green, Cyan Orange, Yellow, White, Black Bright green, bright red, cyan, yellow, black, white
Form Factor Candybar Candybar Candybar
Dimension 115.5 x 63 x 10.4 mm
(4.55 x 2.48 x 0.41 in)
129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
121.7 x 68.3 x 11.1 mm
(4.79 x 2.69 x 0.44 in)
Weight 128.7 g (4.52.0.25 oz) 134 g (4.73 oz) 150 g (5.29 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 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
4G Network - LTE -
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - - - Scratch-resistant glass
- ClearBlack display

hardware Hardware and OS

OS Nokia X Software Platform 1.0 Based on Android v4.1.2 (JellyBean) Microsoft Windows Phone 8.1 Nokia X Software Platform 2.0 Based on Android OS, v4.3 (Jelly Bean)
Processor Dual-core 1 GHz, Qualcomm MSM8225 Snapdragon Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Dual-core 1.2 GHz Cortex-A7, Qualcomm MSM8210 Snapdragon 200
GPU Adreno 203 Adreno 305 Adreno 302
RAM 512 MB 512 MB 1 GB
Internal Memory 4 GB ROM 8 GB 4 GB
External Memory microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 GB

display Display

Type IPS LCD Capacitive Touchscreen IPS LCD capacitive touchscreen IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.0 inches 4.5 inches 4.3 inches
Resolution 480 x 800 pixels (233 ppi) 480 x 854 pixels (218 ppi) 480 x 800 pixels (217 ppi)
Screen-to-Body Ratio 62.71% 64.43% 63.29%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio Stereo FM Radio No Stereo FM Radio with RDS
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 3 MP, 2048x1536 pixels 5 MP, 2592 х 1944 pixels 5 MP, 2592 х 1944 pixels
Flash No No LED Flash
Features Fixed focus, Geo-tagging, Face And Smile Detection, Panorama Geo-tagging 1/4'' Sensor Size, Geo-tagging, Touch Focus, Panorama, Face Detection
Video Yes Yes, 720p@30fps Yes, 720p@30fps
Front Camera No [Similar] No [Similar] Yes, VGA, 480p [Similar]

connectivity Connectivity and Data Rate

GPRS Up to 85.6 kbps Yes Up to 85.6 kbps
Edge Up to 236.8 kbps Yes Up to 236.8 kbps
3G HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v3.0 with A2DP, HS Yes, v4.0 with A2DP Yes, v4.0 with A2DP, HS
Wi-Fi Wi-Fi 802.11 b/g/n, Wi-Fi hotspot Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
USB Yes, microUSB v2.0 Yes, microUSB v2.0 Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS Yes, with A-GPS support
Browser HTML5 HTML5 HTML

memory User Memory

Internal 4 GB ROM, 512 MB RAM 8 GB, 512 MB RAM 4 GB, 1 GB RAM
Expandable Storage microSD, up to 32 GB microSD, up to 64 GB microSD, up to 32 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 not supported

battery Battery

Type Li-Ion Battery Li-Ion Battery Li-Ion Battery
Capacity 1500 mAh 1830 mAh 1800 mAh
Stand by Up to 408 h Up to 648 h Up to 552 h
Talk Time Up to 13 h 18 min (2G)
Up to 10 h 30 min (3G)
Up to 12 h (2G)
Up to 14 h (3G)
Up to 10 h (2G)
Up to 13 h (3G)