Nexus One features a high-resolution, 480×800 pixel screen
Nexus One is 4.68″ tall, 2.35″ wide, and only 0.45″ thick
See how Nexus One would look in your hand. Hold your hand up to the screen, then use the slider to match
Nexus One features a noise-cancelling microphone, for clearer conversations
Nexus One features a 3.5mm stereo headphone jack, so you won’t need an adapter
Nexus One features a 5MP camera with LED flash
Nexus One weighs 4.69 ounces, or approximately 53 pennies
Power and battery
Removable 1400 mAH battery which charges at 480mA from USB, at 980mA from supplied charger
Talk time
Up to 10 hours on 2G
Up to 7 hours on 3G
Standby time
Up to 290 hours on 2G Up to 250 hours on 3G
Internet use
Up to 5 hours on 3G
Up to 6.5 hours on Wi-Fi
Video playback
Up to 7 hours
Audio playback
Up to 20 hours
Display
3.7-inch (diagonal) widescreen WVGA AMOLED touchscreen
800 x 480 pixels
100,000:1 typical contrast ratio
1ms typical response rate

Seems to be an ultimate tool but no one can beat symbian nor Windows Mobile