Lenovo ThinkPad X1 Carbon review: the definitive Ultrabook for pros PCMark Vantage 3DMark06 Lenovo ThinkPad X1 Carbon (1.8GHz Intel Core i5-3427U, Intel HD Graphics 4000) 11,738 Would not run Lenovo ThinkPad X1 (2.5GHz Core i5-2410M, Intel HD Graphics 3000) 7,787 3,726 Vizio Thin + Light (14-inch, 1.9GHz Core i7 ...