The Motorola Droid 2 was announced by Verizon Wireless and will be available for pre-sale on August 11.

Motorola Droid 2 is an upgraded version of original Droid with a touch-screen enabled QWERTY slider smartphone.

Motorola Droid 2 compared to other touch-screen enabled QWERTY smartphones including Apple iPhone showcases improved features like a 3.7-inch display compared to BlackBerry Torch 9800’s 3.2-inch display, Samsung Epic 4G’s 4-inch display and Apple iPhone 4’s 3.5-inch display.

And Droid 2 will come with Android 2.2 (Froyo) operating system whereas to BlackBerry Torch 9800’s has BlackBerry OS 6, Samsung Epic 4G will feature Android 2.1 (possible update to 2.2 after launch) and Apple iPhone has iOS4.

The processor speed is 1GHz for Droid 2 using Texas Instruments OMAP processor (ARM Cortex A8). The BlackBerry Torch uses Marvell processor of 624MHz speed, Samsung Epic 4G’s uses Hummingbird processor (Cortex A8) with 1GHz speed and Apple iPhone features Apple A4 processor (ARM Cortex A8 used).

In terms of Memory, Droid 2 has 8 GB of preloaded on-board memory and the 8 GB microSD card, which can be upgraded to a 32 GB SD card for a total cargo capacity of 40 GB with downloadable apps from Android's more than 70,000 apps.

BlackBerry Torch 9800 has 512 MB flash memory / 512 MB SDRAM memory with 4 GB eMMC plus 4 GB media card and memory can be expanded up to 32GB using microSD card. Samsung Epic 4G has 512 MB RAM / 512 MB ROM memory and comes with expandable microSD card. Apple iPhone 4G has speculated 256MB or 512MB RAM along with on board internal storage of 16GB or 32GB depending on the model.

Droid 2 will have 802.11b/g/n Wi-Fi similar to BlackBerry Torch 9800, Samsung Epic 4G and Apple iPhone 4G.

The original Droid features 1400 mAH Li-Ion battery, as Droid 2 coming with improvements may feature a better battery life. BlackBerry Torch 9800 has a 1300 mAh Li-Ion battery, Samsung Epic 4G has a 1500 mAh Li – Ion battery and Apple iPhone 4 features a 1420 mAh battery.

When it comes to camera, Droid 2 has a 5-megapixel similar to BlackBerry Torch 9800, Apple iPhone 4G and Samsung Epic 4G.

And Droid 2 will be available in stores on August 12 for $199.99 with a two-year contract and after a $100 mail-in rebate. The Verizon Wireless customers with contracts ending before Decemebr 31, 2010 will be able to upgrade to the device.

The Droid 2 has Adobe Flash Player 10.1 and the handset features 3G Mobile HotSpot but the sign up for Verizon 3G will cost $20 per month, with an enhanced QWERTY keyboard and ultra high-speed Web browsing.

Droid 2 has a dimension of 4.58x2.38x0.54 inches whereas BlackBerry Torch has a size of 4.37 x 2.44 x 0.57 inches, Samsung Epic 4G has 4.90 x 2.54 x 0.56 inches size and Apple iPhone 4 has a size of 4.50 x 2.31 x 0.37 inches.

Here is a tentative comparison:

 Droid 2BlackBerry Torch 9800Samsung Epic 4GApple iPhone
Operating SystemAndroid 2.2 (Froyo)BlackBerry OS 6Android 2.1 (possible update to 2.2 after launch)iOS4
Display3.7-inch3.2-inch4-inch display3.5-inch
Processor1GHz OMAP processor (ARM Cortex A8)Marvell processor of 624MHz speedHummingbird processor (Cortex A8) with 1GHz speedA4 processor (ARM Cortex A8)
Memory8 GB of preloaded on-board memory and the 8 GB microSD card, which can be upgraded to 40 GB512 MB flash memory / 512 MB SDRAM memory with 4 GB eMMC plus 4 GB media card, expandable up to 32 GB512 MB RAM / 512 MB ROM256MB or 512MB RAM along with on board internal storage of 16GB or 32GB
Wi-Fi802.11b/g/n802.11b/g/n802.11b/g/n802.11b/g/n
Batteryoriginal Droid features 1400 mAH Li-Ion, improved one for Droid 21300 mAh Li-Ion1500 mAh Li - Ion1420 mAh Li-Ion
Price$199$199.99Predicted $199Starts from $199
Dimension4.58x2.38x0.544.37 x 2.44 x 0.574.90 x 2.54 x 0.564.50 x 2.31 x 0.37