After lots of rumors finally Google officially launched its smartphone Google Nexus One, manufactures by Taiwan based High Tech Computer Corporation (HTC).

First version of Nexus one is based on Qualcomm QSD 8250 1 GHz processor running open source mobile operating system Android Mobile Technology Platform 2.1 (Eclair).

With Nexus One Google is targeting other popular smartphones like Apple iPhone 3GS, Palm Pre and Motorola Droid.

Display : 3.7-inch (diagonal) widescreen WVGA AMOLED touchscreen, 800 x 480 pixels and 100,000:1 typical contrast ratio.

Camera : Compared to the 3 Megapixel camera in iPhone 3GS, Nexus One comes with 5 megapixel camera with autofocus, led flash, 2x digital zoom, geo tagging and can capture videos at 720×480 at 20 frames per second.

Connectivity : Nexus One is a 3G supported phone (HSDPA 7.2Mbps and HSUPA 2Mbps) with Wi-Fi connectivity (802.11b/g) , Bluetooth 2.1and Advanced Audio Distribution Profile (A2DP).

Memory : Google Nexus One is equipped with 512MB RAM and 512MB Flash for storage. 4GB additional memory also included (microSD) expandable up to 32GB.

This is a major difference as both iPhone 3GS and Motorola Droid comes with 15GB.

Battery : Nexus One is powered with 1400 mAH battery which gives up to 7 hours of talk time (3G), and 5 hours of internet usage (3G) and an approximate 20 hours of audio playback.

Size : Height : 119mm, Width : 59.8mm, Depth : 11.5mm, Weight : 130 grams

Google currently offers it for use on the T-Mobile network in the United States. It may take some time to reach the Indian market.