Recently there have been various (next gen) mobile handsets announced. I was thinking of changing my phone and took some time out to compare them out. Herein I compare Apple iPhone 3GS, Sony Ericsson Xperia X10, Blackberry Storm 2, Motorola Droid, Google Nexus ONE. The results are interesting.

Apple iPhone 3GS Sony Ericsson Xperia X10 Blackberry Storm 2 Motorola Droid Google Nexus ONE
  Specs Specs Specs Specs Specs
Launched Mid 2009 Feb 2010 Fall 2009 Nov 2009 Jan 2010
Operating System iPhone OS 3.1.x (OS X Mobile) Android 1.6 with Mediascape/Timescape v5.0 Android 2.0 Android 2.1
Height 115.5 mm 119 mm 112.5 mm 115.8 mm 119 mm
Width 62.1 mm 63 mm 62 mm 60 mm 59.8 mm
Depth 12.3 mm 13 mm 13.9 mm 13.7 mm 11.5 mm
Weight 4.8 ounces (135g) 4.8 ounces (135g) 5.64 ounces (160g) 6 ounces (169g) 130g
Processor Speed 600 MHz 1 GHz 550 MHz 1 GHz
Display 3.5 inch multi-touch
480x320 pixels at 163 ppi 		480x854 pixels WVGA
65536 color TFT display 		480x360 pixels 3.7 inch display
854x480 pixels 		3.7 inch display
800x480 pixels
Capacity 16 GB or 32 GB 1 GB Phone memory
8 GB memory card expandable to 16 GB 		256 MB Flash
2 GB memory card 		16 GB removable expandable to 32 GB 512 MB Flash, 512 MB RAM
4 GB memory card expandable to 32 GB
Cellular & Wireless UMTS/HSDPA 850/1900/2100
GSM/GPRS/EDGE 850/900/1800/1900
WiFi 802.11b/g
Bluetooth 2.1 + EDR 		UMTS/HSPA 900/1700/2100
GSM/GPRS/EDGE 850/900/1800/1900
WiFi 802.11b/g
Bluetooth 2.1 + EDR 		GSM/GPRS/EDGE 900/1800
CDMA2000 1x EVDO 800/1900
UMTS 2100
WiFi 802.11b/g
Bluetooth 2.1 + EDR 		CDMA 1x 800/1900 EVDO rev A
WiFi 802.11b/g
Bluetooth 2.1 + EDR 		UMTS 900/AWS/2100
HSDPA 7.2 Mbps
HSUPA 2 Mbps
GSM/EDGE 850/900/1800/1900
WiFi 802.11b/g/n
Bluetooth 2.1 + EDR
A2DP stereo bluetooth
Power & Battery Built-in rechargeable lithium-ion
Talktime: 12 hrs on 2G, 5 hrs on 3G
Standby: 300 hrs
Internet Use: 5 hrs on 3G, 9 hrs on WiFi
Video playback: 10 hrs
Audio playback: 30 hrs 		lithium ion replaceable
Talktime: yet to be announced 		Talktime: 5.5 hrs on CDMA, 6 hrs on GSM, 5 hrs
Standby time: 264 hrs on CDMA/GSM, 288 hrs 		lithium ion
Talktime: 8 hrs 		lithium ion replaceable
Talktime: 10 hrs on 2G, 7 hours on 3G
Standby: 290 hrs on 2G, 250 hrs on 3G
Internet: 5 hours on 3G, 6.5 hours on Wi Fi
Video playback: 7 hours
Audio playback: 20 hours
Changeable Battery No Yes Yes Yes Yes
Keyboard Onscreen Virtual Keyboard Onscreen Virtual Keyboard Onscreen Virtual Keyboard Slideout QWERTY + Onscreen Virtual Keyboard Onscreen Virtual Keyboard
Camera, Photos and Video 3 mega-pixels
Auto-focus
Tap to focus
Video recording VGA upto 30fps and audio
Photo and Video geo tagging 		8.1 mega-pixels
Auto-focus
Face recognition
Geo tagging
Smile detection
Image stabilizer
Video recording in 640x480 resolution 		3.2 mega-pixels 5 mega-pixels
Auto-focus
Dual LED Flash
Video recording at 720x480 at 24 fps 		5 mega-pixels
Auto-focus
LED Flash
Geo tagging
Video recording at 720x480 at 20 fps
Sensors Accelerometer
Proximity sensor
Ambient light sensor 		Accelerometer
Proximity sensor 		Accelerometer
Proximity sensor
Ambient light sensor 		Accelerometer
Location Assisted + Standalone GPS
Digital Compass
Wifi 		Assisted + Standalone GPS
Digital Compass
Wifi 		GPS Assisted + Standalone GPS
Digital Compass
Wifi 		Assisted GPS
Digital Compass
Wifi
Multitasking No Yes not known Yes not known
OS Updates Yes Yes Yes Yes Yes
Cloud Service Mobile Me (paid) Google Apps (mostly free) Google Apps (mostly free) Google Apps (mostly free)



To me Sony Xperia X10 looks the best among the lot! What's your say?