Phone Comparison - Nokia Lumia 900 vs Nokia Lumia 820 vs Nokia Lumia 525

general General Info

Manufacturer Nokia Nokia Nokia
Announced January 2012 Expected September 2012 November 2013
Status Available - May 2012 Available - November 2012 Available - January 2014
Colors Black, cyan Black, Gray, Red, Yellow, White, Blue, Violet Yellow, orange, 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)
123.8 x 68.5 x 9.9 mm
(4.87 x 2.7 x 0.39 in)
119.9 x 64 x 9.9 mm
(4.72 x 2.52 x 0.39 in)
Weight 160 g (5.64 oz) 160 g (5.64 oz) 124 g (4.37 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
HSDPA 850 / 1900 / 2100
4G Network LTE 700 / 1700 / 2100 LTE 800 / 1800 / 2600 / 2100/ 900 -
Messaging SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM SMS, MMS, Push Mail, EMail, IM
Build Features - - Super sensitive touch for finger nail and glove use, Changeable backcover

hardware Hardware and OS

OS Microsoft Windows Phone 7.5 Mango Microsoft Windows Phone 8 Microsoft Windows Phone 8
Processor 1.4 GHz Scorpion, Qualcomm APQ8055 Snapdragon Dual-core 1.5 GHz Krait, Qualcomm MSM8960 Snapdragon Dual-core 1 GHz, Qualcomm MSM8227 Snapdragon S4
GPU Adreno 205 Adreno 225 Adreno 305
RAM 512 MB 1 GB 1 GB
Internal Memory 16 GB storage 8 GB storage 8 GB ROM
External Memory No microSD, up to 32 GB microSD, up to 64 GB

display Display

Type AMOLED capacitive touchscreen AMOLED capacitive touchscreen IPS LCD Capacitive Touchscreen, 2D Hardened Glass
Colors 16M colors 16M colors 16M colors
Size 4.3 inches 4.3 inches 4.0 inches
Resolution 480 x 800 pixels (217 ppi) 480 x 800 pixels (217 ppi) 480 x 800 pixels (233 ppi)
Screen-to-Body Ratio 60.10% 62.04% 59.47%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 8 MP, 3264x2448 pixels 8 MP, 3264x2448 pixels, Carl Zeiss Tessa 5 MP, 2592х1944 pixels
Flash Carl Zeiss optics LED flash No
Features Geo-tagging Auto focus, Geo-tagging Auto focus, Geo-tagging, Touch Focus, Face Detection, Nokia Smart Camera, Cinemagraph lens, Panorama lens, Bing vision
Video Yes, 720p@30fps, video stabilization Yes Yes, 720p@30fps
Front Camera Yes, 1.3 MP, VGA@30fps [Similar] Yes [Similar] No [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, 42 Mbps
HSUPA, 5.76 Mbps
LTE, Cat3, 50 Mbps UL, 100 Mbps DL
HSDPA, 21 Mbps; HSUPA, 5.76 Mbps
Bluetooth Yes, v2.1 with A2DP, EDR Yes, v3.1 with A2DP, EDR Yes, v4.0 with A2DP
Wi-Fi Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n Wi-Fi 802.11 b/g/n
USB Yes, microUSB v2.0, HS Yes, microUSB v2.0 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 8 GB storage, 1 GB RAM 8 GB ROM, 1 GB RAM
Expandable Storage No microSD, up to 32 GB microSD, up to 64 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 supported NFC not supported

battery Battery

Type Standard battery, Li-Ion Standard battery, Li-Ion Li-Ion Battery
Capacity 1830 mAh (BP-6EW) 1650 mAh 1430 mAh
Stand by Up to 300 h Up to 330 h (2G)
Up to 330 h (3G)
Up to 336 h
Talk Time Up to 7 h Up to 14 h (2G)
Up to 8 h (3G)
Up to 16 h 54 min (2G)
Up to 10 h 36 min (3G)