ʻO 4K, Ultra HD, a i ʻole 2160p ka hoʻonā hōʻike o 3840 x 2160 mau pika a i ʻole 8.3 megapixels i ka huina.Me ka nui aʻe o ka ʻike 4K a me nā kumukūʻai o nā hōʻike 4K e iho ana, 4K hoʻonā lohi akā paʻa i kona ala e hoʻololi i 1080p ma ke ʻano hou.

Inā hiki iā ʻoe ke hāʻawi i ka hāmeʻa e pono ai e holo mālie i ka 4K, pono maoli ia.

ʻAʻole like me nā pōkole hoʻonā haʻahaʻa haʻahaʻa i loaʻa nā pika kū pololei i kā lākou lepili, e like me 1080p no 1920 × 1080 Full HD a i ʻole 1440p no 2560 × 1440 Quad HD, ʻo ka hoʻonā 4K e hōʻike ana ma kahi o 4,000 mau pika ākea ma mua o ke kumu kūʻai.

E like me 4K a i ʻole Ultra HD he 2160 mau pika kū pololei, ʻike ʻia ʻo ia i kekahi manawa he 2160p.

ʻO ka maʻamau 4K UHD i hoʻohana ʻia no nā TV, monitors, a me nā pāʻani wikiō i kapa ʻia ʻo ia ka UHD-1 a i ʻole UHDTV hoʻonā, akā i ka kiʻiʻoniʻoni ʻoihana a me ka hana wikiō, ua kapa ʻia ka hoʻonā 4K ʻo DCI-4K (Digital Cinema Initiatives) me 4096 x 2160 pixels a i ʻole 8.8 megapixels i ka huina.

He 256:135 (1.9:1) ka lākiō hiʻohiʻona o ka Digital Cinema Initiatives-4K, ʻoiai ʻo 4K UHD ka lakene 16:9 maʻamau.