The fourth paragraph has been updated and now reads:

The first mobile devices with Kal-El chips could come as soon as August and deliver up to 12 hours of battery life while playing 1440p video, said Ken Brown, an Nvidia spokesman. Qualcomm did not respond to requests for comment on when its chips would reach devices, but in the statement said test units of its new Snapdragon chips could start shipping in the second half of this year. The companies did not provide clock speeds for the processors.