AMD's Radeon HD 7770 and 7870 reference cards already sport 1GHz clock speeds, but so far the high-end flagship 7970 has been stuck at 925MHz.

ENGADGET: AMD Radeon HD 7970 could get 'GHz Edition', put the hurtz on NVIDIA

" In addition to talking speeds and feeds, though, Intel also showed off a reference laptop with a Haswell chip inside, a notebook called "North Cape.

ENGADGET