The Pavilion 13 X2 is the HP Pavilion 11 X2's big brother, with a 13-inch body and more storage thanks to a 500GB hard drive. You also get to choose between an AMD A6 or Intel Haswell processor.
The Pavilion 13 X2 has the same-resolution screen as on the Pavilion 11 X2, with 1,366x768 pixels. HP says from its market research, consumers don't notice a difference between this resolution and one that's higher on the same size screen.