In recent months, many of Qualcomm’s big launches have focused on the smartphone midmarket and particularly on bolstering its position in China. But this month, it promised the biggest ever hike in performance for its Snapdragon platform at the high end, targeting premium smartphones and other emerging mobile form factors with the need for sophisticated graphics and processing power. The new Snapdragons, 808 and 810, will pack a punch, with LTE-Advanced, 64-bit and 4K, but will not appear in devices until early 2015, which seems to threaten Qualcomm’s usual clear lead in cutting edge features (Apple and Intel already have 64-bit in premium platforms, for instance, while Qualcomm launched it first in chips for midmarket and Chinese devices). By next…