According to blackberryos.com, next generation RIM devices will sport high resolution screens in 1280x720 and 720x720. Under the bonnet, they will feature Qualcomm’s S4 Pro MSM8960T processors, clocked at 1.5GHz.
Qualcomm representatives apparently confirmed that RIM will use S4 chips on BlackBerry 10 devices “when they come out.”
More here.