LG Revolution
LG smartphone RevolutionTM has a dimension of 5.03” (height) x 2.63” (width) x 0.52” (Depth).  It weighs around 6.06 oz.  This smartphone runs in an Android 2.2 operating system (OS).  The colored display boasts of 16.7M TFT on its 4.3” touch screen with 800×480 pixels.  User may also use a virtual Qwerty Keyboard for messaging.  It has the Swype® technology which allows users to insert text with one continuous finger motion.

Battery life is around 435minutes for talk time while 335 hours for stand by time.  The phone uses a 1GHz SnapdragonTM processor, which makes it run fast.  It is pre-installed with a 16GB microSD with up to 32GB support.

The phone has 2 cameras.   A 5 MP camera is installed in the rear and 1.3 MP in the front.  Video recording is at 720p HD.  Web access is through full HTML Web browser.

LG Revolution 4G

Samsung Droid Charge
The Droid charge of Samsung Mobiles has a dimension of 5.11”(height) x 2.66”(width) x0.46”(depth).  It weighs approximately 5.04oz.  It is installed with an Android 2.2 operating system.  The screen size is 4.3” supporting 16M color display and 400×800 Super AMOLEDTM Plus display.  It is touchscreen. A virtual keyboard can be accessed as QWERTY type.  Battery life is approximately 660 minutes for talk time while 280 hours for standby time.  The phone is installed with a 1GHz Hummingbird processor.  It has an on-board memory of 2GB.  A 32GB microSD is pre-installed.

Samsung Droid Charge 4G

The phone boasts of an 8 MP camera in the rear and 1.3 MP in front for video call.  It is WiFi capable and has Bluetooth for sharing and access of files.

 

HTC  Thunderbolt
The ThunderboltTM by HTC has a dimension of 4.75” (height) x 2.44”(width) x 0.56”(depth).  It weighs approximately 6.23oz.  It is packed with an Android 2.2 with HTC Sense 2.0.  It has a virtual touch screen QWERTY keyboard for messaging.  The phone has a 4.3” display and can be oriented either in portrait or landscape.  Battery life is at 330 hours for stand by time while 378 minutes for talk time.

HTC Thunderbolt

The HTML browser supports Adobe flash player 10.2.  It has a Bluetooth capability to share files.  It has 8MP camera at the back and 1.3 MP in front with LED flashlight and Auto focus (rear).

Motorola Droid Bionic
Among US carriers, Verizon exclusively offers the Motorola Droid Bionic. The smartphone will be able to run on 4G network. It has a 4.3 inch 16M color TFT capacitive 540×960 display. It weighs approximately 158.8 grams.
The Droid Bionic runs in an Android v2.3.4 Gingerbread with a dual core 1GHz ARM Cortex-A9 processor. This makes the smart phone really fast. In terms of storage, the Droid Bionic has 16GB of internal memory with 1GB RAM and 2GB of ROM. A 16GB microSD is already included in the phone which can still be expanded to 32GB.

Motorola Droid Bionic
Connectivity is through Wi-Fi, USB and Bluetooth. A rear camera with 8MP is installed in the rear with auto-focus and dual-LED flash. A VGA camera most specially for videocall is installed in the front. Battery life during stand by is 195 hours while almost 11 hours for talk time. Currently, the only available color for this device is Black.

The release date for Motorola Droid Bionic is September 2011.

• Comparison Chart 

LG Revolution Samsung Droid Charge HTC Thunderbolt Motorola Droid Bionic
OS Android 2.2 Froyo, (upgradable to Android 2.3 Gingerbread) Android 2.2 Froyo Android 2.2 Froyo Android 2.3 Gingerbread
CPU 1GHz 1GHz 1GHz 1GHz Dual-core processor
Storage 16 GB built-inSupports up to 32GB microSD 2 GB built-inSupports up to 32GB microSD 8 GB built-inSupports up to 32GB microSD 16 GB built-inSupports up to 32GB microSD
Display 4.3-inch TFT capacitive touchscreen480 x 800 pixels 4.3-inch Super AMOLED Plus capacitive touchscreen,480 x 800 pixels 4.3-inch TFT capacitive touchscreen480 x 800 pixels 4.3-inch TFT capacitive touchscreen540 x 960 pixels
Dimensions (128) x (67) x (13.2) mm (130) x (68) x (12) mm (122) x (66) x (13) mm (127.5) x (66.9) x (11) mm
Cameras 5 MP primary with, LED flash1.3 MP secondary 8 MP primary with, LED flash1.3 MP secondary 8 MP primary with, dual-LED flash1.3 MP secondary 8 MP primary with, dual-LED flashVGA secondary

Update: There is a new list of the latest 4G LTE phones for Verizon this year.