{"id":890897,"date":"2024-05-31T18:40:54","date_gmt":"2024-05-31T16:40:54","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=890897"},"modified":"2024-05-31T18:47:06","modified_gmt":"2024-05-31T16:47:06","slug":"amd-ferait-confiance-a-samsung-et-sa-technologie-3nm-gaafet-pour-graver-certaines-puces","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/amd-ferait-confiance-a-samsung-et-sa-technologie-3nm-gaafet-pour-graver-certaines-puces\/","title":{"rendered":"AMD ferait confiance \u00e0 Samsung et sa technologie GAAFET pour graver en 3nm certaines puces"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1200\" height=\"802\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/05\/samsung-mbcfet.jpg\" alt=\"Samsung MCBFET finfet\" class=\"wp-image-890952\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/05\/samsung-mbcfet.jpg 1200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/05\/samsung-mbcfet-300x201.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/05\/samsung-mbcfet-768x513.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">\u00a9Samsung (YT)<\/figcaption><\/figure>\n\n\n\n<p>Actuelle PDG d&#8217;AMD, Lisa Su a profit\u00e9 de l&#8217;ITF World 2024 pour annoncer que l&#8217;entreprise allait produire en masse des puces utilisant <strong>une technologie que seul Samsung Foundry maitrise actuellement<\/strong>. Plus pr\u00e9cis\u00e9ment, Samsung Foundry pourrait recevoir une commande de la part d&#8217;AMD pour la fabrication de puces utilisant le proc\u00e9d\u00e9 de <a href=\"https:\/\/www.tomshardware.fr\/samsung-la-production-de-masse-en-3-nm-doit-debuter-des-ce-trimestre\/\">gravure en 3 nm et la technologie GAAFET du fondeur<\/a>, baptis\u00e9e <a href=\"https:\/\/www.tomshardware.fr\/samsung-detaille-son-3-nm-mbcfet\/\">MBCFET (<em>Multi-Bridge Channel Field-Effect Transistor<\/em>)<\/a><strong>.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-une-technologie-pour-reduire-les-courants-de-fuite-et-la-consommation-d-energie\">Une technologie pour r\u00e9duire les courants de fuite et la consommation d&#8217;\u00e9nergie<\/h2>\n\n\n\n<p>La premi\u00e8re d\u00e9monstration d&#8217;un GAAFET (<strong>Gate-all-around FET<\/strong>, ou &#8220;<em>transistors \u00e0 effet de champ \u00e0 grille enveloppante<\/em>&#8220;) fonctionnel date de 1988 ; une avanc\u00e9e que l&#8217;on doit \u00e0 l&#8217;\u00e9poque \u00e0 une \u00e9quipe de chercheurs chez Toshiba. Pourtant, cette technologie a par la suite \u00e9t\u00e9 laiss\u00e9e de c\u00f4t\u00e9, ne revenant que r\u00e9cemment sur le devant la sc\u00e8ne pour succ\u00e9der aux FinFETs.<\/p>\n\n\n\n<p>Sous les 7 nm, il devient en effet de plus en plus compliqu\u00e9 d&#8217;utiliser des transistors de ce type, l&#8217;\u00e9cart entre source et drain devenant trop proche pour contr\u00f4ler efficacement et sans fuite le passage des \u00e9lectrons.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1200\" height=\"540\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/05\/samsung-mbcfet-2.jpg\" alt=\"Samsung MCBFET GAAFET\" class=\"wp-image-890953\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/05\/samsung-mbcfet-2.jpg 1200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/05\/samsung-mbcfet-2-300x135.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2024\/05\/samsung-mbcfet-2-768x346.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><figcaption class=\"wp-element-caption\">\u00a9Samsung<\/figcaption><\/figure>\n\n\n\n<p>Cr\u00e9\u00e9s par \u00e9pitaxie et enl\u00e8vement s\u00e9lectif de mat\u00e9riaux et <strong>enti\u00e8rement entour\u00e9s par la grille du transistor<\/strong>, les canaux horizontaux des GAAFETs r\u00e9pondent \u00e0 cette probl\u00e9matique. Il est au passage possible d&#8217;<strong>ajuster les canaux en modifiant leur largeur<\/strong> : plus larges pour am\u00e9liorer les performances, ou plus \u00e9troits pour r\u00e9duire la consommation d&#8217;\u00e9nergie.<\/p>\n\n\n\n<p>En pratique, ces <strong>canaux en forme de nano-feuilles empil\u00e9es<\/strong> permettent de r\u00e9duire de mani\u00e8re significative le courant de fuite des transistors, diminuant ainsi la consommation d&#8217;\u00e9nergie et la variabilit\u00e9 de performances, ce qui est particuli\u00e8rement b\u00e9n\u00e9fique pour les processeurs mobiles et les produits destin\u00e9s aux centres de donn\u00e9es.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"responsive-container embed-youtube-com\"><iframe title=\"Samsung MBCFET\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/QAAuO-bfyb0?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-une-decision-strategique-pour-amd-et-samsung\">Une d\u00e9cision strat\u00e9gique pour AMD et Samsung<\/h2>\n\n\n\n<p>La d\u00e9cision d&#8217;AMD de faire appel \u00e0 <a href=\"https:\/\/www.tomshardware.fr\/samsung-officialise-la-construction-dune-usine-a-17-milliards-de-dollars-au-texas\/\">Samsung Foundry<\/a> en compl\u00e9ment de TSMC pourrait permettre \u00e0 l&#8217;entreprise d&#8217;<strong>augmenter sa capacit\u00e9 de fabrication<\/strong> et par extension de <strong>vendre davantage de produits<\/strong>. Ce partenariat offrirait \u00e9galement la possibilit\u00e9 \u00e0 AMD d&#8217;<strong>\u00e9tablir une nouvelle relation strat\u00e9gique<\/strong> et de renforcer son pouvoir de n\u00e9gociation <a href=\"https:\/\/www.tomshardware.fr\/tsmc-deboursera-plus-de-30-milliards-de-dollars-pour-son-usine-consacree-au-n1\/\">des prix avec TSMC<\/a>. Il s&#8217;agit d&#8217;une \u00e9tape significative pour AMD qui n&#8217;avait pas eu recours \u00e0 deux fondeurs distincts depuis plusieurs ann\u00e9es.<\/p>\n\n\n\n<p>Les produits exacts qu&#8217;AMD envisage de faire fabriquer par Samsung Foundry restent toutefois encore flous ; mais qu&#8217;il s&#8217;agisse de processeurs (CCDs et\/ou IODs), de GPU, de chipsets ou peut-\u00eatre m\u00eame de SoC, il est fortement probable que des <strong>petites puces soient initialement concern\u00e9es<\/strong> pour maximiser les rendements.<\/p>\n\n\n\n<p>Du c\u00f4t\u00e9 de Samsung, rajouter AMD \u00e0 son portefeuille de clients est crucial pour <strong>r\u00e9duire l&#8217;\u00e9cart de <a href=\"https:\/\/www.tomshardware.fr\/tsmc-devoile-sa-feuille-de-route-jusquen-2025-cap-sur-le-2-nm\/\">parts de march\u00e9 avec TSMC<\/a><\/strong>. Le fondeur accuse un retard consid\u00e9rable par rapport au num\u00e9ro un mondial, et il lui faudrait des ann\u00e9es pour rivaliser avec la fonderie ta\u00efwanaise. Ce partenariat pourrait n\u00e9anmoins <strong>am\u00e9liorer sa position concurrentielle sur le march\u00e9 des semi-conducteurs<\/strong>.<\/p>\n\n\n\n<div class=\"tldr\">\n    <ul>\n        <li>AMD va faire appel \u00e0 Samsung Foundry pour graver en 3nm certaines puces.<\/li>\n        <li>La technologie GAAFET utilis\u00e9e permet de r\u00e9duire la consommation d&#8217;\u00e9nergie.<\/li>\n        <li>Les produits concern\u00e9s ne sont pas connus, mais il devrait s&#8217;agir de composants de petites tailles dans un premier temps.<\/li>\n    <\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>AMD devrait prochainement faire appel \u00e0 Samsung Foundry et sa technologie de gravure GAAFET en 3nm pour fabriquer certaines de ses puces. Les d\u00e9tails exacts du partenariat entre les deux g\u00e9ants restent toutefois encore flous.<\/p>","protected":false},"author":9,"featured_media":890952,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4071],"tags":[551,514],"hubs":[],"class_list":["post-890897","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-processeurs","tag-amd","tag-samsung"],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_show_in_home":false,"post_show_summary":false,"post_source":"","hide_sidebar":false,"hide_advertising":false,"custom_ga_words":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v23.1) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>AMD ferait confiance \u00e0 Samsung et sa technologie GAAFET pour graver en 3nm certaines puces<\/title>\n<meta name=\"description\" content=\"AMD devrait prochainement faire appel \u00e0 Samsung Foundry et sa technologie de gravure GAAFET en 3nm pour fabriquer certaines de ses puces. 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