What makes an ultrabook ultra?

Intel has specified that all 13-inch models using its Ultraprocessor chips be less than 18 mm thick (less than 21 mm for larger machines), have at least five hours of battery life, and wake up from sleep mode within seven seconds

Asus Zenbook UX31A


13.3-inch screen

2.87 lbs weight

7+ hours battery life

128 GB SSD (solid state drive)

1.7 GHz Intel Core i5 processor

Apple iPad


Screen Size: 9.7”

Weight: 1.46 lbs

Battery life: 10 hours

Storage: 16GB SSD

Processor: Apple A5X

Apple MacBook Air


13.3 inches

2.96 lbs

7 hours


Intel Core i5 1.8GHz

Samsung Chromebook Series 5 550


12.1 inches

3.1 lbs

up to 6 hours


Intel Celeron 1.3GHz

HP Pavilion g6


15.6 inches

5.46 lbs

up to 5.75 hours

500GB 5400RPM HD

Intel Core i5 2.5GHz


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