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HTC Titan side
The Titan (pictured above) is the larger of the two devices and has the better specs. It will go up against flagship Android handsets such as the Samsung Galaxy S II or HTC Sensation, or even the recently announced tablet-phone hybrid, the 5.3-inch Samsung Galaxy Note. It will also have to contend with other recently launched non-Android smartphones from the likes of Nokia and Research In Motion.
Among the Titan's most notable features are a 4.7-inch touchscreen display, a 1.5GHz processor, HSPA and Wi-Fi connectivity, and 16GB of internal storage. Despite its large screen size, the handset is relatively slim at just 9.9mm thick, and it has a brushed aluminium shell.
It has a number of business-oriented features, such as Microsoft Office Mobile for editing documents on the go and linked email inboxes for managing multiple accounts. It also provides integration with Microsoft OneNote, which allows people to store notes in the cloud.
Photo credit: Ben Woods