Achinsinsi PPI: Ndi foni iti yomwe ili ndi ma pixel ambiri pa inchi ndipo ma iPhones amayenda bwanji?

Nthawi zambiri timakumana ndi dzina la PPI pokhudzana ndi zowonetsera mafoni. Ndilo gawo loyezera kukula kwa malo azithunzi, kapena ma pixel, pamene limasonyeza kuchuluka kwa inchi imodzi. Ndipo ngati mukuganiza kuti mafoni aposachedwa akuchulukirachulukira nambala iyi, sizowona kwathunthu. Mtsogoleri ndiye chida cha 2017. 

Apple idabweretsa anayi ake a iPhone 13 chaka chino Mtundu wa 13 mini uli ndi 476 PPI, iPhone 13 pamodzi ndi iPhone 13 Pro ali ndi 460 PPI ndipo iPhone 13 Pro Max ili ndi 458 PPI. Panthawi yake, mtsogoleriyo anali iPhone 4, yomwe inali yoyamba ya iPhones kubweretsa dzina la Retina. Pankhani ya mafoni amakono, idapereka 330 PPI yokha, yomwe ngakhale Steve Jobs adanena kuti diso la munthu silingathe kuzindikira.

Komabe, zonenazi ndizokayikitsa kwambiri. Zimatengera mtunda womwe mumayang'ana pa chipangizocho, kapena mawonekedwe ake. Zachidziwikire, mukayandikira kwambiri izi, m'pamenenso mumatha kuwona ma pixels ake. Nthawi zambiri zimanenedwa kuti diso lathanzi lamunthu limatha kuzindikira 2 PPI poyang'ana "chithunzi" chakutali kwa 190 cm. Koma simungachite zimenezo bwinobwino. Komabe, ngati mukulitsa mtunda uwu kupita ku zogwiritsidwa ntchito ndipo tsopano zofala kwambiri 10 cm, mumangofunika kukhala ndi mawonekedwe a pixel a 30 PPI kuti musasiyanitsenso wina ndi mzake.

Zithunzi

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Ndiye kodi kukonza bwinoko sikofunikira? Inu simungakhoze nkomwe kunena zimenezo. Ma pixel ochulukirapo pamtunda wocheperako amatha kusewera bwino ndi mitundu, mithunzi yawo komanso kuwala komweko. Diso laumunthu silingathenso kusiyanitsa kusiyana kwake, koma tingaganize kuti ngati chiwonetserocho chili bwino, chidzatha kufotokoza bwino kusintha kwamitundu kakang'ono komwe mukuwona kale. Chotsatira chake, kugwiritsa ntchito chipangizo choterocho kudzakhala kosangalatsa kwambiri. 

Mtsogoleri ndi ndani polemekeza PPI 

Sipangakhalenso yankho lomveka bwino apa. Pali kusiyana pakati pa diagonal yaying'ono ndi yabwino, mosiyana ndi yayikulu komanso yowawa pang'ono. Koma ngati mufunsa funso: "Ndi foni iti yomwe ili ndi PPI yapamwamba", yankho lidzakhala Sony Xperia XZ Premium. Foni iyi, yomwe idayambitsidwa mu 2017, ili ndi chiwonetsero chaching'ono cha 5,46 ″ malinga ndi masiku ano, koma PPI yake ndi 806,93 yodabwitsa.

Samsung Way S21

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Mwa mafoni atsopano, OnePlus 9 Pro iyenera kusankhidwa, yomwe ili ndi 526 PPI, pomwe, mwachitsanzo, Realme GT2 Pro yomwe yangotulutsidwa kumene ili ndi pixel imodzi yokha, mwachitsanzo 525 PPI. Vivo X70 Pro Plus, yomwe ili ndi 518 PPI, kapena Samsung Galaxy S21 Ultra yokhala ndi 516 PPI ikuchitanso bwino. Koma palinso mafoni ngati Yu Yutopia, omwe amapereka 565 PPI, koma sitikudziwa zambiri za wopanga uyu pano.

Komabe, ndikofunikira kutchulapo kuti nambala ya PPI ndi chizindikiro chimodzi chokha cha mawonekedwe awonetsero. Zoonadi, izi zimagwiranso ntchito ku teknoloji yake, mlingo wotsitsimula, chiŵerengero chosiyana, kuwala kwakukulu ndi zina. Zofunikira za batri ndizoyeneranso kuziganizira.

Ma PPI apamwamba kwambiri mu 2021 

• Xiaomi Civi Pro - 673 PPI 
• Sony Xperia Pro-I - 643 PPI 
• Sony Xperia 1 III - 643 PPI 
• Meizu 18 - 563 PPI 
• Meizu 18s - 563 PPI 

PPI yochuluka kwambiri mu foni yamakono kuyambira 2012 

• Sony Xperia XZ Premium - 807 PPI 
• Sony Xperia Z5 Premium - 806 PPI 
• Sony Xperia Z5 Premium Dual - 801 PPI 
• Sony Xperia XZ2 Premium - 765 PPI 
• Xiaomi Civi Pro - 673 PPI 
• Sony Xperia Pro-I - 643 PPI 
• Sony Xperia 1 III - 643 PPI 
• Sony Xperia Pro - 643 PPI 
• Sony Xperia 1 II - 643 PPI 
• Huawei Honor Magic - 577 PPI 
• Samsung Galaxy S7 - 577 PPI 
• Samsung Galaxy S6 - 577 PPI 
• Samsung Galaxy S5 LTE-A - 577 PPI 
• Samsung Galaxy S6 m'mphepete - 577 PPI 
• Samsung Galaxy S6 Active - 576 PPI 
• Samsung Galaxy S6 (CDMA) - 576 PPI 
• Samsung Galaxy S6 m'mphepete (CDMA) - 576 PPI 
• Samsung Galaxy S7 (CDMA) - 576 PPI 
• Samsung Galaxy S7 Active - 576 PPI 
• Samsung Galaxy Xcover FieldPro - 576 PPI 
• Samsung Galaxy S9 - 570 PPI 
• Samsung Galaxy S8 - 570 PPI 
• Samsung Galaxy S8 Active - 568 PPI 
• Samsung Galaxy S20 5G UW - 566 PPI 
• Yutopia - 565 PPI