Intel is not just showing off powerful chips which require a 1HP cooler, they are also demonstrating new kit requiring very low power.  Their Low Power Display Technology reduces the power consumed by your screen by about 50%, assuming it is powered by Intel graphics.  The demonstration was conducted on a Dell XPS 13 and has extended the battery life to 24 hours, with other models capable of reaching 28 hours. 

Check out this and more of Intel's announcements here.

"Intel today staged its annual keynote at Taiwan’s Computex tech-fest and revealed a new “Low Power Display Technology” that the company said can halve the power consumption of a laptop’s screen."

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