4. Motorola.
Google is no longer just a provider of operating systems, it has become a smartphone vendor itself with its $12.5 billion acquisition of Motorola Mobility. Although the primary motive of the purchase was to take Motorola's wide portfolio of patents in order to fend off litigation against the Android, Google's execs are saying that Google's venturing into hardware. Verizon

Since Apple has been delaying its much-anticipated iPhone 5, Android smartphones are trying to grab market share by launching feature-rich devices.

Motorola has released its flagship Droid Bionic smartphone that would be available from Verizon beginning Sept.8.

Droid Bionic is the first smartphone from Verizon to combine 4G LTE with the power of dual-core 1 GHz processors, 1 GB of RAM and a stunning 4.3-inch qHD display.

Verizon offers blazing 4G internet speeds with download speeds of 5 to 12 Mbps and upload speeds of 2 to 5 Mbps in 4G LTE mobile broadband coverage areas.

The device features Motorola's ZumoCast application that lets customers bring their digital world of videos, music, pictures and documents stored on their computers to their handset via remote access.

Droid Bionic, running on Android Gingerbread, lets customers share their 4G LTE signal with up to five Wi-Fi-enabled devices when they activate the Verizon Wireless Mobile Hotspot.

In addition, the smartphone can beam a full-featured Firefox Web browser 4.0, email or documents to a TV or monitor with its Webtop application.

Droid Bionic would be available from Verizion for $299.99 with a new two-year contract. Customers would have to subscribe to a Verizon Wireless Nationwide Talk plan beginning at $39.99 for 450 minutes per month and a smartphone data package starting at $30 a month for 2 GB of data.

Droid Bionic, along with Samsung Galaxy S2, is considered as the biggest competitors to the upcoming iPhone 5, which Apple may release this month.

Let's take a look at how Motorola's Droid Bionic fares against the rumored specifications of iPhone 5.

Operating System: Motorola Droid Bionic runs on Android 2.3.4 Gingerbread OS, while Apple's iPhone 5 will be running on iOS 5. The new iOS 5 is expected come with 200 new features that will include Improved Notifications System, News Stand and iMessage.

Camera: Droid Bionic sports an 8 megapixel auto-focus camera with flash with 1080p HD video capture and a front-facing camera for video chat over 4G LTE, 3G or Wi-Fi. iPhone 5 is expected to sport 8MP camera.

Screen: Droid Bionic has a 4.3-inch qHD screen that may give a resolution of 960x540 pixels. Speculations are rife that Apple may boost its screen size to 4-inch to compete with Android rivals. iPhone 4 has 3.5-inch screen with 960x640 pixel resolution.

Processor: Droid Bionic features dual-core 1GHz processor, while rumors are abuzz that iPhone 5 would sport a 1.2-1.5 GHz dual-core A5 processor, which powers the iPad 2.

Size: Motorola Droid Bionic has a dimension of 127.5 x 66.9 x 10.99 mm and weighs up to 158 grams. Rumors suggest that iPhone 5 may have dimensions of 109 x 60 mm, suggesting a shorter but only slightly wider design. iPhone 4 has dimensions of 115.2 x 58.6 x 9.3 mm and weighs 137 grams.

Storage: Motorola Droid Bionic has 16GB internal storage and another 16GB microSD card preinstalled, which can be expanded up to 32 GB. On the other hand, iPhone 5 is expected to come with 16/32/64 GB models.

Battery: Motorola Droid Bionic has standard 1735 mAh battery offering talktime of 650 minutes and standby time of 200 hours. On the other hand, Apple has a history of improving battery life with each new product. iPhone 4, which has a 1420mAh battery, provides 7 hours talktime and 300 hours standby time on 3G.

Pricing: Droid Bionic is priced at $299 with 2-year contract at Verizon. Currently, iPhone 4 is listed on Verizon at $299 for 32GB version with 2-year contract. Taking this as a base, iPhone 5 would be available from carriers for around $300 to $350, while its actual price has been rumored at around $600.