The stunning Nokia Lumia 900 comes with a ClearBlack glass touchscreen which offers the best viewing experience to users. The device bumps up with a super speed blended with Live Tiles allowing it to connect with the friends quickly. Nokia Extras provides a pretty amazing collection of apps as well as maps.
On the other hand, Samsung's Galaxy S2 is an ultra-slim smartphone which flaunts remarkable Super AMOLED display. It provides the fastest processing for browsing, gaming and multi-tasking.
Here is a rundown of how both the smartphones stack up:
Nokia Lumia 900 comes with 4.3-inch ClearBlack AMOLED display with a resolution of 800x400 pixels. It offers Capactive touchscreen which enables pinch zoom.
In comparison, Galaxy S2 touts 4.3-inch Super AMOLED Plus capacitive touchscreen with a resolution of 800x400 pixels at 217 pixels per inch (ppi). It boasts of TouchWiz 4.0 User Interface.
Nokia Lumia 900 is powered by 1.4 GigaHertz Scorpion CPU and Qualcomm APQ8055 Snapdragon chipset. Adreno 205 adds support to powerful graphics.
In contrast, Galaxy S2 includes 1.2 GigaHertz Cortex A9 Dual-core CPU and Exynos chipset.
 Operating System
Nokia Lumia 900 runs on the Microsoft Windows Phone 7.5 Mango operating system.
While, Galaxy S2 runs on the Android 2.3 Gingerbread which is now upgradable to the latest Android 4.0 Ice Cream Sandwich.
Nokia Lumia 900 is comprised of the incredible 8-megapixel rear-shooter which sports features like Carl Zeiss optics, autofocus and dual LED flash. It contains 1-megapixel front-facing camera and Tango video Calls software which is preinstalled to make the video calls over Wi-Fi technology.
On the other hand, Galaxy S2 has 8-megapixel rear-camera and a pretty cool 2-megapixel secondary camera. It offers HD video recording of 1080p. The features include geo-tagging, touch focus, face and smile detection and image stabilization.
Lumia 900 consists of 16 GB internal storage and 512 MB RAM. The device lacks microSD card but offers SkyDrive cloud storage to the users.
Samsung's Galaxy S2 has an internal storage of 16 GB/32 GB and a microSD card which is extendable up to 32 GB.
Nokia's Lumia 900 features Wi-Fi 802.11 b/g/n and a Bluetooth 2.1 technology with A2DP, EDR. Its speed includes HSDPA 42 Mbps and HSUPA 5.76 Mbps.
Samsung Galaxy S2 comes with Wi-Fi 802.11 a/b/g/n with Wi-Fi hotspot. It consists Bluetooth 3.0 Plus HS technology.