We've known about Kal-El -- the quad-core mobile processor from NVIDIA -- for a fair amount of time, but a lot of the finer details have remained a secret as we've anxiously awaited its debut in tablets and smartphones. Fortunately, we have some reading material to bide our time as the company published white papers discussing benefits of the new CPU, and for the most part it's what you'd expect: NVIDIA touts higher performance, better battery life and
