Zosankha zowonetsera pa foni yam'manja: Ndi iti yomwe ili nayo kwambiri ndipo iPhone ndiyofunika ndalama zingati?

Chiwonetserocho chikakhala chapamwamba, ndiye kuti wogwiritsa ntchitoyo amakhala wabwinoko. Kodi mawu amenewa ndi oona? Ngati tikukamba za ma TV, ndiye kuti inde, koma ngati tipita ku mafoni a m'manja, zimatengera mawonekedwe awo a diagonal. Koma musaganize kuti 4K ndiyomveka pano. Simudzazindikira ngakhale Ultra HD. 

Mapepala okhawo 

Ngati wopanga atulutsa foni yamakono yatsopano ndikunena kuti ili ndi mawonekedwe apamwamba kwambiri, amenewo ndi manambala abwino ndi malonda, koma chopunthwitsa apa chili mwa ife, ogwiritsa ntchito, ndi maso athu opanda ungwiro. Kodi mungawerenge ma pixel a 5 miliyoni pachiwonetsero cha 3-inchi, chomwe chikufanana ndi Quad HD resolution? Mwina ayi. Ndiye tiyeni tipite pansipa, nanga bwanji Full HD? Ili ndi ma pixel mamiliyoni awiri okha. Koma mwina simungapambane nanunso. Chifukwa chake, monga momwe mukuwonera kapena osawona, simungathe kusiyanitsa kusiyana kwa anthu.

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Ndiyeno ndithudi pali 4K. Foni yamakono yoyamba yomwe idayandikira kwambiri pachigamulochi inali Sony Xperia Z5 Premium. Idatulutsidwa mu 2015 ndipo inali ndi mapikiselo a 3840 × 2160. Simunathe kuwona pixel imodzi pachiwonetsero chake cha 5,5". Patatha zaka ziwiri, mtundu wa Sony Xperia XZ Premium unabwera ndi lingaliro lomwelo, koma linali ndi chiwonetsero chaching'ono cha 5,46 ″. Nthabwala ndikuti mitundu iwiriyi idakali yopambana pamasanjidwe owonetsera. Chifukwa chiyani? Chifukwa sikoyenera kuti opanga azithamangitsa chinthu chomwe sichingawonekere, ndipo ogwiritsa ntchito sangayamikire kwenikweni.

Kusankhidwa kwa kusamvana ndi kuchuluka kwa ma pixel 

• SDkukula: 720 × 576  
• Full HD kapena 1080p: 1920 × 1080  
• 2Kkukula: 2048 × 1080  
• Ultra HD kapena 2160p: 3840 × 2160  
• 4Kkukula: 4096 × 2160 

Apple iPhone 13 Pro Max ili ndi diagonal ya 6,7 ″ komanso mawonekedwe a 1284 × 2778 pixels, kotero ngakhale foni yayikulu kwambiri ya Apple iyi siyingafikire mawonekedwe a Ultra HD amitundu ya Sony. Chifukwa chake ngati mujambula makanema mu 4K ndipo mulibe TV ya 4K kapena kuyang'anira kunyumba, mulibe poti muwasewere mumtundu wawo wonse. Monga kufunafuna PPI, kufunafuna kuchuluka kwa ma pixel owonetsera kuli kopanda phindu. Komabe, ndizomveka kuti ma diagonal akamakula, ma pixel amakula kwambiri. Koma pali malire omwe diso laumunthu limatha kuwona, ndipo chifukwa chake limakhala lomveka, komanso lomwe sililinso. Chifukwa m'mbiri simupeza mafoni ambiri okhala ndi UHD pamsika, opanga ena amvetsetsanso izi.