Phone Comparison - Nokia Lumia 900 vs Nokia Lumia 635 vs Microsoft Lumia 435

general General Info

Manufacturer Nokia Nokia Microsoft
Announced January 2012 April 2014 January 2015
Status Available - May 2012 Available - May 2014 Available - February 2015
Price - - Rs. 5,350 ($78.68) [Similarly Priced]
Colors Black, cyan Orange, Yellow, White, Black Black, White, Green, Orange
Form Factor Candybar Candybar Candybar
Dimension 127.8 x 68.5 x 11.5 mm, 90 cc
(5.03 x 2.7 x 0.45 in, 3.54 cc)
129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
118.1 x 64.7 x 11.7 mm
(4.65 x 2.55 x 0.46 in)
Weight 160 g (5.64 oz) 134 g (4.73 oz) 134.1 g (4.73.0.04 oz)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 900 / 2100
4G Network LTE 700 / 1700 / 2100 LTE -
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM

hardware Hardware and OS

OS Microsoft Windows Phone 7.5 Mango Microsoft Windows Phone 8.1 Microsoft Windows Phone 8.1
Processor 1.4 GHz Scorpion, Qualcomm APQ8055 Snapdragon Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400 Dual-core 1.2 GHz Cortex-A7, Qualcomm MSM8210 Snapdragon 200
GPU Adreno 205 Adreno 305 Adreno 302
RAM 512 MB 512 MB 1 GB
Internal Memory 16 GB storage 8 GB 8 GB
External Memory No microSD, up to 64 GB microSD, up to 128 GB

display Display

Type AMOLED capacitive touchscreen IPS LCD capacitive touchscreen Capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.5 inches 4.0 inches
Resolution 480 x 800 pixels (217 ppi) 480 x 854 pixels (218 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 60.10% 64.43% 59.72%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 5 MP, 2592 х 1944 pixels 2 MP, 1600 x 1200 pixels
Flash Carl Zeiss optics No No
Features Geo-tagging Geo-tagging Geo-tagging
Video Yes, 720p@30fps, video stabilization Yes, 720p@30fps 480p@30fps
Front Camera Yes, 1.3 MP, VGA@30fps [Similar] No [Similar] VGA, 480p [Similar]

connectivity Connectivity and Data Rate

GPRS Class 33 Yes Yes
Edge Class 33 Yes Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps, LTE, Cat3, 50 Mbps DL, 25 Mbps UL HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSPA 42.2/5.76 Mbps
Bluetooth Yes, v2.1 with A2DP, EDR Yes, v4.0 with A2DP v4.0, A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, hotspot
USB Yes, microUSB v2.0, HS Yes, microUSB v2.0 microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support and GLONASS A-GPS, GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16GB storage, 512 MB RAM 8 GB, 512 MB RAM 8 GB, 1 GB RAM
Expandable Storage No 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 not supported

battery Battery

Type Standard battery, Li-Ion Li-Ion Battery Li-Ion Battery
Capacity 1830 mAh (BP-6EW) 1830 mAh 1560 mAh
Stand by Up to 300 h Up to 648 h Up to 504 h (2G)
Up to 504 h (3G)
Talk Time Up to 7 h Up to 12 h (2G)
Up to 14 h (3G)
Up to 21 h (2G)
Up to 11 h 45 min (3G)