Phone Comparison - Nokia Lumia 900 vs Nokia Lumia 1020 vs Nokia Lumia 635

general General Info

Manufacturer Nokia Nokia Nokia
Announced January 2012 July 2013 April 2014
Status Available - May 2012 Available - July 2013 Available - May 2014
Colors Black, cyan Black, White, Yellow Orange, Yellow, White, Black
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)
130.4 x 71.4 x 10.4 mm
(5.13 x 2.81 x 0.41 in)
129.5 x 66.7 x 9.2 mm
(5.1 x 2.63 x 0.36 in)
Weight 160 g (5.64 oz) 158 g (5.57 oz) 134 g (4.73 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 850 / 900 / 1900 / 2100
4G Network LTE 700 / 1700 / 2100 LTE 800 / 900 / 1800 / 2100 / 2600 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 Microsoft Windows Phone 8.1
Processor 1.4 GHz Scorpion, Qualcomm APQ8055 Snapdragon Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Quad-core 1.2 GHz Cortex-A7, Qualcomm Snapdragon 400
GPU Adreno 205 Adreno 225 Adreno 305
RAM 512 MB 2 GB 512 MB
Internal Memory 16 GB storage 32 GB 8 GB
External Memory No No microSD, up to 64 GB

display Display

Type AMOLED capacitive touchscreen AMOLED capacitive touchscreen, PureMotion HD+ ClearBlack Display, Gorilla Glass 3 IPS LCD capacitive touchscreen
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.5 inches 4.5 inches
Resolution 480 x 800 pixels (217 ppi) 768 x 1280 pixels (332 ppi) 480 x 854 pixels (218 ppi)
Screen-to-Body Ratio 60.10% 61.80% 64.43%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 41 MP (38 MP effective, 7152 x 5368 pixels) 5 MP, 2592 х 1944 pixels
Flash Carl Zeiss optics Xenon Flash No
Features Geo-tagging Carl Zeiss optics, Auto Focus, 1/1.2' Sensor Size, ND Filter, Optical Zoom, Geo-tagging, Face Detection, Optical Zoom, Panorama Geo-tagging
Video Yes, 720p@30fps, video stabilization Yes, 1080p@30fps Yes, 720p@30fps
Front Camera Yes, 1.3 MP, VGA@30fps [Similar] Yes, 1.2 MP, 720p [Similar] No [Similar]

connectivity Connectivity and Data Rate

GPRS Class 33 Up to 107 kbps Yes
Edge Class 33 Up to 236.8 kbps Yes
3G HSDPA, 21 Mbps; HSUPA, 5.76 Mbps, LTE, Cat3, 50 Mbps DL, 25 Mbps UL HSDPA, 42.2 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL HSDPA, 21 Mbps; HSUPA, 5.76 Mbps; LTE, Cat3, 50 Mbps UL, 100 Mbps DL
Bluetooth Yes, v2.1 with A2DP, EDR Yes, v3.0 with A2DP Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n, DLNA, UPnP technology Wi-Fi 802.11 b/g/n
USB Yes, microUSB v2.0, HS Yes, microUSB v2.0, USB On-the-go Yes, microUSB v2.0
GPS Yes, with A-GPS support Yes, with A-GPS support Yes, with A-GPS support and GLONASS
Browser HTML5 HTML5 HTML5

memory User Memory

Internal 16GB storage, 512 MB RAM 32 GB, 2 GB RAM 8 GB, 512 MB RAM
Expandable Storage No No microSD, up to 64 GB
USB OTG - Supported -

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 supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Non-removable Li-Ion Battery, Wireless Charging Supported via Cover Li-Ion Battery
Capacity 1830 mAh (BP-6EW) 2000 mAh 1830 mAh
Stand by Up to 300 h Up to 384 h Up to 648 h
Talk Time Up to 7 h Up to 19 h 6 min (2G)
Up to 13 h 18 min (3G)
Up to 12 h (2G)
Up to 14 h (3G)