computer with the size of a credit card

  I think to search computer with low power, before, i am once hear about computer with 8 watt power consumption, i see on Youtube

Finally i look the mini computer when searching on google, if I saw this just board, small size, as size as credit card, this is Raspberry Pi, can you look there HDMI port and RCA port connector as display, sound port adan GPIO Port :D (wew)