In addition Intel's constant changing of Ultrabook specifications caused confusion among consumers; and this was compounded by OEMs that released slim/"sleek" or "Sleekbook" laptops (e.g. Hewlett-Packard Pavilion TouchSmart 15z-b000 Sleekbook, Samsung Ativ Book 9 Lite) that are cheaper AMD-powered variants of their more expensive Intel-equipped Ultrabooks