Nokia Lumia 900 vs Nokia Lumia 820

General Info

Manufacturer
Nokia	Nokia
Announced
January 2012	Expected September 2012
Status
Available - May 2012	Available - November 2012
Colors
Black, cyan	Black, Gray, Red, Yellow, White, Blue, Violet
Form Factor
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)
Weight
160 g (5.64 oz)	160 g (5.64 oz)
2G Network
GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Network
HSDPA 850 / 900 / 1900 / 2100	HSDPA 850 / 900 / 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

Type
AMOLED capacitive touchscreen	AMOLED capacitive touchscreen
Colors
16M colors	16M colors
Size
4.3 inches [Similar]	4.3 inches [Similar]
Resolution
480 x 800 pixels (217 ppi) [Similar]	480 x 800 pixels (217 ppi) [Similar]
Screen-to-Body Ratio
60.10%	62.04%
Multi-Touch

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

Rear Camera
8 MP, 3264x2448 pixels [Similar]	8 MP, 3264x2448 pixels, Carl Zeiss Tessa [Similar]
Flash
Carl Zeiss optics	LED flash
Features
Geo-tagging	Auto focus, Geo-tagging
Video
Yes, 720p@30fps, video stabilization	Yes
Front Camera
Yes, 1.3 MP, VGA@30fps [Similar]	Yes [Similar]

GPRS
Class 33	Yes
Edge
Class 33	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
Bluetooth
Yes, v2.1 with A2DP, EDR	Yes, v3.1 with A2DP, EDR
Wi-Fi
Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 b/g/n
USB
Yes, microUSB v2.0, HS	Yes, microUSB v2.0
GPS
Yes, with A-GPS support	Yes, with A-GPS support
Browser
HTML5	HTML5