{"id":750544,"date":"2022-11-16T10:05:00","date_gmt":"2022-11-16T09:05:00","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=750544"},"modified":"2023-07-25T13:32:01","modified_gmt":"2023-07-25T11:32:01","slug":"les-infinity-links-des-rx-7900-fonctionnent-a-92-gb-s10-fois-la-vitesse-de-linfinity-fabric-des-ryzen","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/les-infinity-links-des-rx-7900-fonctionnent-a-92-gb-s10-fois-la-vitesse-de-linfinity-fabric-des-ryzen\/","title":{"rendered":"Les Infinity Links des RX 7900 fonctionnent \u00e0 9,2 Gb\/s, 10 fois la vitesse de l&#8217;Infinity Fabric des Ryzen"},"content":{"rendered":"\n<p>Depuis la pr\u00e9sentation des <a href=\"https:\/\/www.tomshardware.fr\/test-amd-radeon-7900-xt-7800-7700-7600-7500-rdna3-caracteristiques-performances-prix\/\">Radeon RX 7900 XT\/XTX<\/a> d\u00e9but novembre, AMD d\u00e9taille un peu plus ses GPU RDNA 3 au fil des jours. Hier, la soci\u00e9t\u00e9 a notamment tent\u00e9 de prouver que <a href=\"https:\/\/www.tomshardware.fr\/radeon-rx-7900-xt-xtx-amd-attaque-enfin-la-geforce-rtx-4080\/\">ses cartes graphiques Radeon RX 7000 officialis\u00e9es sont sup\u00e9rieures aux GeForce RTX 4000<\/a>. D\u2019autres documents, plus confidentiels, publi\u00e9s par le m\u00e9dia japonais ASCII mais rapidement retir\u00e9s, mettent en avant certaines sp\u00e9cificit\u00e9s du GPU Navi 31, \u00e0 savoir sa conception \u00e0 base de chiplets.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante.jpg\"><img alt=\"Image 1 : Les Infinity Links des RX 7900 fonctionnent \u00e0 9,2 Gb\/s, 10 fois la vitesse de l&#039;Infinity Fabric des Ryzen\" decoding=\"async\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-1024x576.jpg\" alt=\"\" class=\"wp-image-750545\" width=\"402\" height=\"226\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-1024x576.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-300x169.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-150x84.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-200x113.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-250x141.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-350x197.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-400x225.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-450x253.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-500x281.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-550x309.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-600x338.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-640x360.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-710x399.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-755x425.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante-1320x743.jpg 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante.jpg 1600w\" sizes=\"(max-width: 402px) 100vw, 402px\" \/><\/a><figcaption>\u00a9 AMD<\/figcaption><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2.jpg\"><img alt=\"Image 2 : Les Infinity Links des RX 7900 fonctionnent \u00e0 9,2 Gb\/s, 10 fois la vitesse de l&#039;Infinity Fabric des Ryzen\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-1024x576.jpg\" alt=\"\" class=\"wp-image-750546\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-1024x576.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-300x169.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-150x84.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-200x113.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-250x141.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-350x197.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-400x225.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-450x253.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-500x281.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-550x309.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-600x338.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-640x360.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-710x399.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-755x425.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2-1320x743.jpg 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/navi31bandepassante2.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u00a9 AMD<\/figcaption><\/figure><\/div><\/div>\n<\/div>\n\n\n\n<p>Comme nous l\u2019expliquons dans notre dossier, ce GPU, et probablement Navi 32, introduit une conception MCM (<em>Multi-Chip-Module<\/em>) sur le segment grand public&nbsp;: un design avec plusieurs chiplets interconnect\u00e9s dans un m\u00eame GPU. Cette conception se mat\u00e9rialise par la pr\u00e9sence d\u2019un GCD (<em>Graphics Complex Die<\/em>) grav\u00e9 en 5 nm par TSMC et de MCD (<em>Memory Complex Die<\/em>) grav\u00e9s en 6 nm. La technologie d\u2019interconnexion utilis\u00e9e pour relier ces composants, appel\u00e9e Infinity Links, fonctionne \u00e0 9,2 Gbit\/s, soit une bande passante environ 10 fois sup\u00e9rieure \u00e0 celle de l\u2019IFOP (<em>Infinity Fabric On-Package<\/em>) des processeurs Ryzen et des EPYC. Concr\u00e8tement, la bande passante maximale entre les MCD et les GCD est de 5,3 To\/s.<\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#fafafa\"><strong><a href=\"https:\/\/www.tomshardware.fr\/amd-etend-son-programme-advantage-aux-ordinateurs-fixes-et-enrichit-son-ecosysteme-smart\/\">AMD \u00e9tend son programme Advantage aux PC fixes et enrichit son \u00e9cosyst\u00e8me \u2018Smart\u2019<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">RDNA 3 : une efficacit\u00e9 \u00e9nerg\u00e9tique am\u00e9lior\u00e9e de 53 % selon AMD<\/h2>\n\n\n\n<p>Afin de r\u00e9duire la latence, l\u2019architecture RDNA 3 permet une augmentation des fr\u00e9quences. L\u2019une des diapositives renseigne une hausse de 43&nbsp;% de la fr\u00e9quence de l\u2019Infinity Fabric. Enfin, les optimisations apport\u00e9es par cette architecture conf\u00e8rent aux Radeon RX 7000 une efficacit\u00e9 \u00e9nerg\u00e9tique jusqu\u2019\u00e0 53&nbsp;% sup\u00e9rieure aux cartes graphiques RDNA 2 d&#8217;apr\u00e8s AMD.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31.jpg\"><img alt=\"Image 3 : Les Infinity Links des RX 7900 fonctionnent \u00e0 9,2 Gb\/s, 10 fois la vitesse de l&#039;Infinity Fabric des Ryzen\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-1024x576.jpg\" alt=\"\" class=\"wp-image-750547\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-1024x576.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-300x169.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-150x84.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-200x113.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-250x141.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-350x197.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-400x225.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-450x253.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-500x281.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-550x309.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-600x338.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-640x360.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-710x399.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-755x425.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31-1320x743.jpg 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/performancewattnavi31.jpg 1600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u00a9 AMD<\/figcaption><\/figure><\/div><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31.jpg\"><img alt=\"Image 4 : Les Infinity Links des RX 7900 fonctionnent \u00e0 9,2 Gb\/s, 10 fois la vitesse de l&#039;Infinity Fabric des Ryzen\" decoding=\"async\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-1024x576.jpg\" alt=\"\" class=\"wp-image-750548\" width=\"402\" height=\"226\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-1024x576.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-300x169.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-150x84.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-200x113.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-250x141.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-350x197.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-400x225.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-450x253.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-500x281.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-550x309.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-600x338.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-640x360.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-710x399.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-755x425.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31-1320x743.jpg 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/frequencesnavi31.jpg 1600w\" sizes=\"(max-width: 402px) 100vw, 402px\" \/><\/a><figcaption>\u00a9 AMD<\/figcaption><\/figure><\/div><\/div>\n<\/div>\n\n\n\n<p>Nous aurons l\u2019occasion de v\u00e9rifier ce dernier point dans quelques semaines. Les Radeon RX 7900 XTX et Radeon RX 7900 XT seront lanc\u00e9es le 13 d\u00e9cembre. Pour le moment, la couronne de la carte graphique la plus efficace revient \u00e0 la nouvelle <a href=\"https:\/\/www.tomshardware.fr\/test-nvidia-geforce-rtx-4080-carte-graphique-jeux-performances-consommation-gaming\/\">GeForce RTX 4080<\/a>. Cette r\u00e9f\u00e9rence est disponible \u00e0 partir d\u2019aujourd\u2019hui.<\/p>\n\n\n\n<p class=\"has-small-font-size\"><em>Source : <a href=\"https:\/\/webcache.googleusercontent.com\/search?q=cache:nP9wFAhXYzUJ:https:\/\/ascii.jp\/elem\/000\/004\/112\/4112875\/&amp;cd=2&amp;hl=en&amp;ct=clnk&amp;gl=us\" target=\"_blank\" rel=\"noreferrer noopener\">ASCII (cache)<\/a> via <a href=\"https:\/\/www.tweaktown.com\/news\/89532\/amd-radeon-rx-7900-rdna-3-infinity-links-9-2gb-10x-higher-than-ryzen-epyc\/index.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">TweakTown<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Plusieurs diapositives d\u00e9taillent la conception MCM du GPU Navi 31.<\/p>","protected":false},"author":87,"featured_media":750545,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[487,4072],"tags":[578],"hubs":[],"class_list":["post-750544","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite","category-cartes-graphiques","tag-radeon"],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_show_in_home":true,"post_source":"","hide_sidebar":false,"hide_advertising":false},"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>Les Infinity Links des RX 7900 fonctionnent \u00e0 9,2 Gb\/s, 10 fois la vitesse de l&#039;Infinity Fabric des Ryzen<\/title>\n<meta name=\"description\" content=\"Plusieurs diapositives d\u00e9taillent la conception MCM du GPU Navi 31.\" \/>\n<meta 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