{"id":35627,"date":"2019-10-31T22:05:26","date_gmt":"2019-10-31T19:05:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/predstavlena-plata-raspberry-pi-4\/"},"modified":"2019-10-31T22:05:26","modified_gmt":"2019-10-31T19:05:26","slug":"predstavlena-plata-raspberry-pi-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/predstavlena-plata-raspberry-pi-4","title":{"rendered":"Predstaven\u00e1 doska Raspberry Pi 4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Po troch a pol rokoch od vytvorenie<\/a><\/noindex> Raspberry Pi 3 organiz\u00e1cia Raspberry Pi Foundation predstavila<\/a><\/noindex> nov\u00e9 gener\u00e1cie dosiek Raspberry Pi 4<\/a><\/noindex>. Model \"B\" is now available for order. ktor\u00fd je vybaven\u00fd<\/a><\/noindex> nov\u00fdm SoC BCM2711, ktor\u00fd je \u00faplne prepracovanou verziou predt\u00fdm pou\u017e\u00edvan\u00e9ho \u010dipu BCM283X vyr\u00e1ban\u00e9ho 28nm technol\u00f3giou. Cena dosky ost\u00e1va nezmenen\u00e1 a na\u010falej predstavuje 35 dol\u00e1rov. <\/p>\n

SoC st\u00e1le zah\u0155\u0148a \u0161tyri 64-bitov\u00e9 jadr\u00e1 ARMv8 a pracuje na mierne zv\u00fd\u0161enej frekvencii (1.5GHz namiesto 1.4GHz). Zmena technol\u00f3gie umo\u017enila nahradi\u0165 Cortex-A53 v\u00fdkonn\u011bj\u0161\u00edm jadrom Cortex-A72, \u010do zv\u00fd\u0161ilo v\u00fdkon na nov\u00fa \u00farove\u0148. Navy\u0161e do\u0161lo k prechodu na pam\u00e4\u0165 LPDDR4, ktor\u00e1 v porovnan\u00ed s predt\u00fdm pou\u017e\u00edvanou pam\u00e4\u0165ou LPDDR2 zabezpe\u010duje trojn\u00e1sobn\u00e9 zv\u00fd\u0161enie priepustnosti. V\u00fdsledkom je, \u017ee v testoch v\u00fdkonu nov\u00e1 doska prekon\u00e1va predch\u00e1dzaj\u00faci model Raspberry Pi 3B+ 2-4 kr\u00e1t.<\/p>\n

Z \u010fal\u0161\u00edch v\u00fdznamn\u00fdch rozdielov mo\u017eno spomen\u00fa\u0165 zahrnutie PCI Express ovl\u00e1da\u010da, dvoch portov USB 3.0 (plus dva porty USB 2.0) a dvoch portov Micro HDMI (predt\u00fdm bol pou\u017eit\u00fd jeden plnoform\u00e1tov\u00fd HDMI), ktor\u00e9 umo\u017e\u0148uj\u00fa v\u00fdstup obrazu na dva monitory s kvalitou 4K. V\u00fdznamne bol aktualizovan\u00fd grafick\u00fd akceler\u00e1tor VideoCore VI, ktor\u00fd podporuje OpenGL ES 3.0 a je schopn\u00fd dek\u00f3dova\u0165 video H.265 s kvalitou 4Kp60 (alebo 4Kp30 na dva monitory). Nap\u00e1janie m\u00f4\u017ee by\u0165 dod\u00e1van\u00e9 cez port USB-C (predt\u00fdm bol pou\u017eit\u00fd USB micro-B), cez GPIO alebo cez doplnkov\u00fd modul<\/a><\/noindex> PoE HAT (Power over Ethernet).<\/p>\n

Moreover, the long-standing problem of insufficient RAM size has been resolved \u2014 the board is now offered in options with 1, 2, and 4 GB of RAM (priced at $35, $45, and $55 respectively), making the new board a suitable solution for creating workstations, gaming platforms, servers, smart home gateways, robot control units, and modern multimedia systems. <\/p>\n

Vylep\u0161en\u00fd gigabitov\u00fd Ethernetov\u00fd ovl\u00e1da\u010d, ktor\u00fd je teraz pripojen\u00fd k SoC cez samostatn\u00fa zbernicu RGMII, \u010do umo\u017e\u0148uje dosiahnu\u0165 pln\u00fd deklarovan\u00fd v\u00fdkon. USB je teraz realizovan\u00e9 cez samostatn\u00fd ovl\u00e1da\u010d VLI, pripojen\u00fd cez PCI Express a poskytuj\u00faci celkov\u00fa priepustnos\u0165 4Gbps. Rovnako ako predt\u00fdm, doska je vybaven\u00e1 40 GPIO portami, DSI (pripojenie dotykovej obrazovky), CSI (pripojenie kamery) a bezdr\u00f4tov\u00fdm \u010dipom podporuj\u00facim \u0161tandard 802.11ac, prev\u00e1dzku na frekvenci\u00e1ch 2.4GHz a 5GHz a Bluetooth 5.0.<\/p>\n

\"Predstaven\u00e1<\/a><\/noindex><\/center><\/p>\n

Z\u00e1rove\u0148 bol vydan\u00fd nov\u00fd vydanie distrib\u00facie Raspbian<\/a><\/noindex>, which provides full support for Raspberry Pi 4. The release is also notable for transitioning to the Debian 10 \"Buster\" base (previously Debian 9 was used), a significant redesign of the user interface, and the implementation of the new Mesa V3D driver with greatly improved 3D support (including the availability of OpenGL for browser acceleration). Two builds have been prepared for download \u2014 a reduced version (406 MB<\/a><\/noindex>) pre serverov\u00e9 syst\u00e9my a pln\u00e1 (1.1 GB<\/a><\/noindex>), dod\u00e1van\u00e1 s pou\u017e\u00edvate\u013esk\u00fdm prostred\u00edm PIXEL<\/a><\/noindex> (odvodenie od LXDE). Na in\u0161tal\u00e1ciu z repozit\u00e1rov<\/a><\/noindex> je dostupn\u00fdch okolo 35 tis\u00edc bal\u00edkov. <\/p>\n

\"Predstaven\u00e1<\/a><\/noindex><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Zdroj: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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[…]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-35627","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Predstaven\u00e1 doska Raspberry Pi 4 | ProHoster","description":"Po troch a pol rokoch od vytvorenia Raspberry Pi 3, organiz\u00e1cia Raspberry Pi Foundation","canonical_url":"https:\/\/prohoster.info\/sk\/blog\/news\/predstavlena-plata-raspberry-pi-4","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sk_SK","og:site_name":"ProHoster | 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