Ultrabook directly compete with Apple's MacBook Air, as well as other subnotebooks, which has a similar format and is powered by the Intel CPU but does not advertise under the brand. Ultrabook
Ultrabook direct competition with other subnotebooks, including Apple's MacBook Air, which has a similar requirement and is powered by Intel CPUs, but not advertised branded Ultrabook.
Ultrabook directly compete with other subnotebooks including apple MacBook Air which regulates a similar form and is driven by. Intel CPU. But not advertised under the brand Ultrabook.