The small one feature is the “Shuriken” display tech from LG, which takes a big shave off the bezel width, allowing the 1366×768 13.3” display to fit in a slightly smaller chassis – about a centimeter narrower than competitors like the Lenovo Ideabook or Samsung Series 9. The LG is also really thing, just 14.7mm thick, compared to the Macbook Air’s now chunky-seeming 17mm.
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Apart from that it’s pretty much even-stevens tech-wise – Core i7 2637M at 1.7GHz or Core i5 2467M at 1.6GHz, and the usual Wifi, WiDi, USB 3, HDMI, etc, with a 120 or 350GB hard drive. Battery life is promised to be six hours, and “Super Speed” is meant to have it up and booted in ten seconds.
Original release in Korean here. Google Translate is your Korean friend.