The Cortex-A57 is ARM's most advanced high-performance applications processor, while the Cortex-A53 is the most power-efficient ARM application processor.

ENGADGET: ARM's Cortex-A50 chips promise 3x performance of current superphones by 2014, throw in 64-bit for good measure

Snow also closed the A6024 towards Holme Moss and the A57 Snake Pass.

BBC: Ice and fog warning for Derbyshire

Treacherous driving conditions on a stretch of the A57 between Anston and Worksop meant many drivers were stranded in their vehicles.

BBC: Gatwick Airport stays closed as fresh snow predicted