LG Mobile has officially unveiled the successor to the Optimus 2X. Touting a quad-core, Tegra 3 processor running on Android Ice Cream Sandwich, the LG Optimus 4X HD is one of the first Tegra 3 handsets in the world.

LG scored points when it announced the first dual-core smartphone last year and wants repeat that record with the first quad-core smartphone this year.