4K, Ultra HD, ama 2160p waa bandhig muuqaal ah 3840 x 2160 pixels ama 8.3 megapixels guud ahaan.Iyada oo ay jiraan waxyaabo badan oo 4K ah oo la heli karo iyo qiimaha bandhigyada 4K oo hoos u dhacaya, xallinta 4K si tartiib tartiib ah ayay u socotaa laakiin si tartiib tartiib ah ayey u socotaa sidii ay u bedeli lahayd 1080p oo ah heerka cusub.

Haddii aad awoodid in aad awooddo qalabka loo baahan yahay in uu si habsami leh ugu shaqeeyo 4K, hubaal waa u qalantaa.

Si ka duwan soo gaabinta xallinta shaashadda hoose ee ka kooban pixels toosan ee sumaddooda, sida 1080p ee 1920 × 1080 Full HD ama 1440p ee 2560 × 1440 Quad HD, xallinta 4K waxay ka dhigan tahay qiyaastii 4,000 pixels jiif halkii qiimaha toosan.

Sida 4K ama Ultra HD ay leeyihiin 2160 pixels toosan, sidoo kale mararka qaarkood waxaa loo yaqaan 2160p.

Heerka 4K UHD ee loo isticmaalo TV-yada, kormeerayaasha, iyo ciyaaraha fiidyaha waxaa sidoo kale loogu magac daray UHD-1 ama xallinta UHDTV, halka filimada xirfadleyda ah iyo wax soo saarka fiidiyowga, xallinta 4K lagu calaamadeeyay sida DCI-4K (Initiatives Cinema Digital) oo leh 4096 x 2160 pixels ama 8.8 megapixels guud ahaan.

Hindisaha Shaleemo Dijital ah-4K xallinta ayaa leh 256:135 (1.9:1) saamiga, halka 4K UHD uu leeyahay saamiga 16:9 ee caadiga ah.