The LG Thrill will come with a 4.3-in. display and a dual core 1GHz processor, the HTC Evo 4G comes with a 1.2 GHz dual core chip.

The Thrill comes with a 5-megapixel stereoscopic camere and runs 2.2. It has 16GB of storage and plays video back through an HDMI port.

The other smartphone that AT&T announced was the HTC HD7S, which runs Windows Phone 7 on a 4.3-in. display, and has a 1GHz processor and a 5-megapixel camera.

AT&T plans to deliver 20 4G phones in 2011, running on HSPA+, which has theoretical download speeds of 21 Mbit/sec.

AT&T plans to launch LTE in mid-year in the U.S.