{"id":81,"date":"2026-06-10T08:39:43","date_gmt":"2026-06-10T08:39:43","guid":{"rendered":"https:\/\/xteink.phongvanvu.com\/?p=81"},"modified":"2026-06-10T08:39:43","modified_gmt":"2026-06-10T08:39:43","slug":"danh-gia-chi-tiet-man-hinh-xteink-x4-mat-do-diem-anh-220-ppi-co-du-de-doc","status":"publish","type":"post","link":"https:\/\/xteink.phongvanvu.com\/?p=81","title":{"rendered":"\u0110\u00e1nh Gi\u00e1 Chi Ti\u1ebft M\u00e0n H\u00ecnh Xteink X4: M\u1eadt \u0110\u1ed9 \u0110i\u1ec3m \u1ea2nh 220 PPI C\u00f3 \u0110\u1ee7 D\u1ec5 \u0110\u1ecdc?"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/xteink.phongvanvu.com\/wp-content\/uploads\/2026\/06\/anh-1-768x1024.png\" alt=\"\" class=\"wp-image-82\" srcset=\"https:\/\/xteink.phongvanvu.com\/wp-content\/uploads\/2026\/06\/anh-1-768x1024.png 768w, https:\/\/xteink.phongvanvu.com\/wp-content\/uploads\/2026\/06\/anh-1-225x300.png 225w, https:\/\/xteink.phongvanvu.com\/wp-content\/uploads\/2026\/06\/anh-1.png 1080w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00e0o c\u00e1c b\u1ea1n, ti\u1ebfp t\u1ee5c chu\u1ed7i b\u00e0i vi\u1ebft v\u1ec1 chi\u1ebfc m\u00e1y \u0111\u1ecdc s\u00e1ch &#8220;h\u1ea1t ti\u00eau&#8221; Xteink X4, h\u00f4m nay ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o m\u1ed9t y\u1ebfu t\u1ed1 m\u00e0 b\u1ea5t c\u1ee9 ai y\u00eau th\u00edch thi\u1ebft b\u1ecb E-ink c\u0169ng quan t\u00e2m: \u0110\u1ed9 ph\u00e2n gi\u1ea3i v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng hi\u1ec3n th\u1ecb.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi m\u1ed9t chi\u1ebfc m\u00e1y ch\u1ec9 nh\u1ecf c\u1ee1 m\u1ed9t chi\u1ebfc th\u1ebb t\u00edn d\u1ee5ng, li\u1ec7u m\u00e0n h\u00ecnh c\u1ee7a Xteink X4 c\u00f3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u c\u00e0y cu\u1ed1c nh\u1eefng cu\u1ed1n s\u00e1ch d\u00e0i t\u1eadp hay kh\u00f4ng?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Th\u00f4ng S\u1ed1 K\u1ef9 Thu\u1eadt C\u1ee7a M\u00e0n H\u00ecnh Xteink X4<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 c\u00f3 c\u00e1i nh\u00ecn kh\u00e1ch quan, h\u00e3y c\u00f9ng \u0111i\u1ec3m qua nh\u1eefng con s\u1ed1 ph\u1ea7n c\u1ee9ng.<sup><\/sup> Xteink X4 \u0111\u01b0\u1ee3c trang b\u1ecb t\u1ea5m n\u1ec1n E-ink k\u00edch th\u01b0\u1edbc 4.3 inch.<sup><\/sup> \u0110\u1ed9 ph\u00e2n gi\u1ea3i th\u1ef1c t\u1ebf c\u1ee7a m\u00e1y l\u00e0 800 \u00d7 480 pixel.<sup><\/sup> T\u1eeb hai th\u00f4ng s\u1ed1 n\u00e0y, thi\u1ebft b\u1ecb \u0111\u1ea1t \u0111\u01b0\u1ee3c m\u1eadt \u0111\u1ed9 \u0111i\u1ec3m \u1ea3nh l\u00e0 220 PPI (Pixels Per Inch).<sup><\/sup> +1<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu so s\u00e1nh tr\u00ean th\u1ecb tr\u01b0\u1eddng m\u00e1y \u0111\u1ecdc s\u00e1ch hi\u1ec7n nay, chu\u1ea9n m\u1ef1c hi\u1ec3n th\u1ecb s\u1eafc n\u00e9t c\u1ee7a c\u00e1c d\u00f2ng m\u00e1y ph\u1ed5 bi\u1ebfn nh\u01b0 Kindle Paperwhite hay Kobo Libra \u0111\u1ec1u \u1edf m\u1ee9c 300 PPI.<sup><\/sup> V\u1eady con s\u1ed1 220 PPI c\u1ee7a Xteink X4 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m th\u1ef1c t\u1ebf ra sao?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Tr\u1ea3i Nghi\u1ec7m Th\u1ef1c T\u1ebf: C\u00f3 D\u1ec5 \u0110\u1ecdc Kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn l\u00e0: <strong>C\u00f3, n\u00f3 ho\u00e0n to\u00e0n \u0111\u1ee7 s\u1eafc n\u00e9t \u0111\u1ec3 mang l\u1ea1i tr\u1ea3i nghi\u1ec7m \u0111\u1ecdc t\u1ed1t, nh\u01b0ng \u0111i k\u00e8m v\u1edbi m\u1ed9t s\u1ed1 gi\u1edbi h\u1ea1n v\u1eadt l\u00fd.<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u0110\u1ed9 s\u1eafc n\u00e9t c\u1ee7a ch\u1eef:<\/strong> M\u1eb7c d\u00f9 kh\u00f4ng \u0111\u1ea1t \u0111\u1ebfn m\u1ee9c 300 PPI, nh\u01b0ng m\u00e0n h\u00ecnh 220 PPI c\u1ee7a Xteink X4 v\u1eabn \u0111\u1ee7 \u0111\u1ed9 n\u00e9t \u0111\u1ec3 c\u00e1c n\u00e9t ch\u1eef hi\u1ec3n th\u1ecb r\u00f5 r\u00e0ng, d\u1ec5 \u0111\u1ecdc. N\u1ebfu b\u1ea1n \u0111\u1eb7t Xteink X4 c\u1ea1nh m\u1ed9t chi\u1ebfc Kobo hay Kindle \u0111\u1eddi m\u1edbi \u0111\u1ec3 soi k\u1ef9, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadn ra m\u1ed9t ch\u00fat kh\u00e1c bi\u1ec7t v\u1ec1 \u0111\u1ed9 m\u1ecbn c\u1ee7a vi\u1ec1n ch\u1eef. Tuy nhi\u00ean, khi s\u1eed d\u1ee5ng \u0111\u1ed9c l\u1eadp \u0111\u1ec3 \u0111\u1ecdc s\u00e1ch, m\u1eaft b\u1ea1n s\u1ebd nhanh ch\u00f3ng l\u00e0m quen v\u00e0 kh\u00f4ng h\u1ec1 c\u1ea3m th\u1ea5y kh\u00f3 ch\u1ecbu hay nh\u1eadn ra s\u1ef1 thua k\u00e9m v\u1ec1 \u0111\u1ed9 ph\u00e2n gi\u1ea3i n\u00e0y. +1<\/li>\n\n\n\n<li><strong>H\u1ea1n ch\u1ebf v\u1ec1 kh\u00f4ng gian hi\u1ec3n th\u1ecb:<\/strong> R\u00e0o c\u1ea3n l\u1edbn nh\u1ea5t khi \u0111\u1ecdc kh\u00f4ng n\u1eb1m \u1edf \u0111\u1ed9 ph\u00e2n gi\u1ea3i, m\u00e0 n\u1eb1m \u1edf k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd 4.3 inch. Kh\u00f4ng gian nh\u1ecf khi\u1ebfn s\u1ed1 l\u01b0\u1ee3ng ch\u1eef hi\u1ec3n th\u1ecb tr\u00ean m\u1ed7i trang kh\u00e1 \u00edt. B\u1ea1n s\u1ebd ph\u1ea3i thao t\u00e1c l\u1eadt trang li\u00ean t\u1ee5c b\u1eb1ng ph\u00edm c\u1ee9ng v\u00e0 m\u1ea5t ch\u00fat th\u1eddi gian ban \u0111\u1ea7u \u0111\u1ec3 \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i font ch\u1eef, c\u1ee1 ch\u1eef, kho\u1ea3ng c\u00e1ch d\u00f2ng sao cho ph\u00f9 h\u1ee3p v\u1edbi m\u1eaft m\u00ecnh nh\u1ea5t. +1<\/li>\n\n\n\n<li><strong>Hi\u1ec3n th\u1ecb PDF v\u00e0 h\u00ecnh \u1ea3nh:<\/strong> V\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i 800 \u00d7 480 pixel c\u00f9ng m\u00e0n h\u00ecnh b\u00e9, vi\u1ec7c \u0111\u1ecdc truy\u1ec7n tranh ho\u1eb7c c\u00e1c file PDF l\u00e0 m\u1ed9t tr\u1ea3i nghi\u1ec7m kh\u00e1 g\u01b0\u1ee3ng \u00e9p. \u0110\u1ecbnh d\u1ea1ng PDF khi b\u1ecb thu nh\u1ecf l\u1ea1i s\u1ebd g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 theo d\u00f5i n\u1ed9i dung. Chi\u1ebfc m\u00e1y n\u00e0y th\u1ef1c s\u1ef1 ch\u1ec9 sinh ra \u0111\u1ec3 t\u1ed1i \u01b0u cho s\u00e1ch ch\u1eef thu\u1ea7n t\u00fay \u0111\u1ecbnh d\u1ea1ng EPUB hay TXT. +1<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. V\u1ea5n \u0110\u1ec1 \u00c1nh S\u00e1ng \u2013 \u0110i\u1ec3m Tr\u1eeb C\u1ea7n L\u01b0u \u00dd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t y\u1ebfu t\u1ed1 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn kh\u1ea3 n\u0103ng \u0111\u1ecdc c\u1ee7a Xteink X4 ch\u00ednh l\u00e0 vi\u1ec7c thi\u1ebft b\u1ecb <strong>ho\u00e0n to\u00e0n kh\u00f4ng c\u00f3 h\u1ec7 th\u1ed1ng \u0111\u00e8n n\u1ec1n (frontlight)<sup><\/sup><\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1ed1ng nh\u01b0 khi b\u1ea1n \u0111\u1ecdc m\u1ed9t cu\u1ed1n s\u00e1ch gi\u1ea5y truy\u1ec1n th\u1ed1ng, m\u00e0n h\u00ecnh E-ink c\u1ee7a X4 ph\u1ee5 thu\u1ed9c 100% v\u00e0o \u00e1nh s\u00e1ng c\u1ee7a m\u00f4i tr\u01b0\u1eddng xung quanh.<sup><\/sup> D\u01b0\u1edbi \u00e1nh s\u00e1ng ban ng\u00e0y ho\u1eb7c m\u00f4i tr\u01b0\u1eddng ph\u00f2ng \u0111\u1ee7 s\u00e1ng (nh\u01b0 \u00e1nh s\u00e1ng m\u1eb7t tr\u1eddi), n\u1ec1n m\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb \u0111\u1ed9 t\u01b0\u01a1ng ph\u1ea3n r\u1ea5t t\u1ed1t.<sup><\/sup> Tuy nhi\u00ean, khi \u0111\u1ecdc v\u1ec1 \u0111\u00eam, b\u1ea1n b\u1eaft bu\u1ed9c ph\u1ea3i c\u00f3 ngu\u1ed3n s\u00e1ng ri\u00eang, ch\u1eb3ng h\u1ea1n nh\u01b0 \u0111\u00e8n k\u1eb9p s\u00e1ch ho\u1eb7c chi\u1ebfc \u0111\u00e8n LED c\u1ed5ng Type-C c\u1eafm tr\u1ef1c ti\u1ebfp nh\u01b0 m\u00ecnh \u0111\u00e3 gi\u1edbi thi\u1ec7u \u1edf b\u00e0i vi\u1ebft tr\u01b0\u1edbc.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">K\u1ebft Lu\u1eadn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi m\u1ee9c gi\u00e1 r\u1ebb v\u00e0 t\u00ednh di \u0111\u1ed9ng c\u1ef1c cao, m\u00e0n h\u00ecnh 220 PPI tr\u00ean Xteink X4 l\u00e0 m\u1ed9t con s\u1ed1 ho\u00e0n to\u00e0n h\u1ee3p l\u00fd v\u00e0 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<sup><\/sup> N\u00f3 \u0111\u1ee7 s\u1eafc n\u00e9t \u0111\u1ec3 ph\u1ee5c v\u1ee5 nhu c\u1ea7u \u0111\u1ecdc s\u00e1ch ch\u1eef m\u01b0\u1ee3t m\u00e0, b\u1ea3o v\u1ec7 m\u1eaft t\u1ed1t, nh\u01b0ng \u0111\u1ed5i l\u1ea1i b\u1ea1n s\u1ebd ph\u1ea3i l\u00e0m quen v\u1edbi t\u1ea7n su\u1ea5t l\u1eadt trang nhi\u1ec1u h\u01a1n v\u00e0 ph\u1ea3i t\u1ef1 chu\u1ea9n b\u1ecb \u0111\u00e8n chi\u1ebfu s\u00e1ng khi \u0111\u1ecdc ban \u0111\u00eam.<sup><\/sup><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n c\u1ea7n m\u1ed9t thi\u1ebft b\u1ecb t\u1ed1i gi\u1ea3n ch\u1ec9 chuy\u00ean t\u00e2m cho vi\u1ec7c &#8220;ti\u00eau th\u1ee5&#8221; ch\u1eef \u1edf m\u1ecdi l\u00fac m\u1ecdi n\u01a1i m\u00e0 kh\u00f4ng b\u1ecb ph\u00e2n t\u00e2m, m\u00e0n h\u00ecnh c\u1ee7a Xteink X4 ch\u1eafc ch\u1eafn s\u1ebd ho\u00e0n th\u00e0nh t\u1ed1t nhi\u1ec7m v\u1ee5 c\u1ee7a n\u00f3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ch\u00e0o c\u00e1c b\u1ea1n, ti\u1ebfp t\u1ee5c chu\u1ed7i b\u00e0i vi\u1ebft v\u1ec1 chi\u1ebfc m\u00e1y \u0111\u1ecdc s\u00e1ch &#8220;h\u1ea1t ti\u00eau&#8221; Xteink X4, h\u00f4m nay ch\u00fang [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-81","post","type-post","status-publish","format-standard","hentry","category-huong-dan"],"_links":{"self":[{"href":"https:\/\/xteink.phongvanvu.com\/index.php?rest_route=\/wp\/v2\/posts\/81","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xteink.phongvanvu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xteink.phongvanvu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xteink.phongvanvu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xteink.phongvanvu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=81"}],"version-history":[{"count":1,"href":"https:\/\/xteink.phongvanvu.com\/index.php?rest_route=\/wp\/v2\/posts\/81\/revisions"}],"predecessor-version":[{"id":83,"href":"https:\/\/xteink.phongvanvu.com\/index.php?rest_route=\/wp\/v2\/posts\/81\/revisions\/83"}],"wp:attachment":[{"href":"https:\/\/xteink.phongvanvu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=81"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xteink.phongvanvu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=81"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xteink.phongvanvu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=81"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}