TPU outlines the strategy AMD will follow for its Radeon HD graphics cards in 2013. There will be no new graphics card generation until Q4 2013, in the meantime the company will make the most of the current Radeon HD 7000 series via marketing initiatives like the Never Settle bundles, increase performance via driver updates and make "robust additions" to the existing lineup within the first half of the year.
AMD will adopt a three-pronged approach to the first three quarters of 2013:
Market its existing performance-thru-extreme products with the Never Settle Reloaded game bundle that ships graphics cards with two to eight recently-launched AAA game titles, including Crysis 3, Far Cry 3, Bioshock Infinite, Tomb Raider 2013, and DmC Devil May Cry
Keep working on performance improvements on existing products with driver updates. New WHQL-signed drivers are release on a monthly to bi-monthly basis, with multiple beta releases in between
Make "robust roadmap additions to the existing Radeon HD 7000 lineup" within the first half of 2013 (by the end of June).
NVIDIA's strategy for 2013 is pretty much the same, except the ultra-expensive GeForce Titan, there won't be much new from NVIDIA until the end of the year.