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Dell XPS 13 with Titan
While the XPS 13 has a 13.3-inch 720p Gorilla Glass display, it is just 6mm thick at its thinnest, increasing to 18mm thick at the rear of the unit.
Dell said that despite the size of the display, the whole ultrabook fits in a form factor closer to devices with 11-inch screens.
The device weighs in at just 1.36kg, when used with a six-cell battery. It comes with Microsoft Windows 7 Home Premium as standard. For comparison, the Acer Aspire S5 ultrabook, also announced at CES 2012, weighs a similar amount, at 1.5kg.
Shown above is the XPS 13 with an HTC Titan on top, for size comparison.
Photo credit: Ben Woods