Nokia’s latest Windows Phone flagship has a 4.3-inch AMOLED display with ClearBlack technology and definitely bigger than the Lumia 800 display.
The Nokia Lumia 900 is powered by a 1.4GHz Qualcomm Snapdragon processor with 512MB of RAM. It is running on the Mango version of Windows Phone.On the camera aspect, there is a front-facing camera and an 8-megapixel camera with 28mm f/2.2 Carl Zeiss lens and dual-flash. Th Lumia 900 comes with Tango application which enables video chats.

lumia 900 overview > http://www.mobile88.com/cellphone/Nokia/No...900/preview.asp

Comparison lumia 900 vs Galaxy S3 > http://www.mobile88.com/news/read.asp?file...Nokia-Lumia-900
lumia 900