Lets see from memory of having both devices... HD2 specs vs N900 specs * Thinnest device for its screen size to date vs fattest phone created in last three years, qwerty or otherwise (well I haven't checked but I am probably right) * Compass vs no compass * 576 Mb Ram vs 256 MB Ram * Steel/Carbon fibre construction vs some kind of plastic * 1ghz CPU overclockable to 1.3GHZ vs 600Mhz overclockable to 1.1 Ghz (well some devices anyway) * Capacitative mutitouch vs resistive screen (don't add your prehistoric views when every phone is headed this way, I bet you were the same with touchscreens) *USB host vs no USB host *157 grams vs 181 grams * Scratch resistant screen vs easy scratch screen * Sturdy USB port build vs Falling out USB port issue * 4.3" screen vs 3.5" screen (and its meant to be a tablet) Memory is micro SD upgradeable but one area its beaten