Hey people over here, don't digg unnecessarily for the efficieny of Samsung Giorgio Armani B7620..
Rather have a quick glance here for the specs in brief:
1) General: GSM 850/900/1800/1900 MHz, UMTS 900/1900/2100 MHz, EDGE class 10, HSDPA 7.2 Mbps; HSUPA 5.76 Mbps
2) Form factor: Slide-and-tilt full QWERTY touch phone
3) Dimensions: 118.5 x 58.3 x 16.4 mm, weight 164 grams
4) Display: 3.5" 16M color (65K effective) resistive AMOLED touchscreen of WVGA resolution
5) OS: Windows Mobile 6.5, TouchWiz 2.0 UI, Work&Leisure mode switch key
6) Memory: 8GB built-in storage, 192 MB RAM, hot-swappable microSD (up to 16GB)
7) CPU: 800 MHz processor with dedicated graphics accelerator
8) Camera: 5MP auto-focus, with dual LED flash and VGA video at 30 fps
9) Connectivity: Wi-Fi, Bluetooth 2.0 with A2DP, standard microUSB port, GPS receiver with A-GPS, TV out
10)Misc: Accelerometer for screen auto rotate and turn-to-mute, FM radio with RDS, DivX/XviD video support
11) Battery: 1500mAh Li-Ion battery