la derni\u00e8re mise \u00e0 jour aggrave les performances des processeurs AMD, le patch arrive le 19 octobre<\/title>\n<meta name=\"description\" content=\"La premi\u00e8re mise \u00e0 jour de Windows 11 ne r\u00e8gle pas le probl\u00e8me des performances en berne sur les processeurs AMD, bien au contraire.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.phonandroid.com\/windows-11-la-derniere-mise-a-jour-aggrave-les-performances-des-processeurs-amd-le-patch-arrive-le-19-octobre.html\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Windows 11 : la derni\u00e8re mise \u00e0 jour aggrave les performances des processeurs AMD, le patch arrive le 19 octobre\" \/>\n<meta property=\"og:description\" content=\"La premi\u00e8re mise \u00e0 jour de Windows 11 ne r\u00e8gle pas 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{"id":2408066,"date":"2021-10-13T17:16:23","date_gmt":"2021-10-13T15:16:23","guid":{"rendered":"https:\/\/www.phonandroid.com\/?p=2408066"},"modified":"2021-10-25T16:58:40","modified_gmt":"2021-10-25T14:58:40","slug":"windows-11-la-derniere-mise-a-jour-aggrave-les-performances-des-processeurs-amd-le-patch-arrive-le-19-octobre","status":"publish","type":"post","link":"https:\/\/www.phonandroid.com\/windows-11-la-derniere-mise-a-jour-aggrave-les-performances-des-processeurs-amd-le-patch-arrive-le-19-octobre.html","title":{"rendered":"Windows 11 : la derni\u00e8re mise \u00e0 jour aggrave les performances des processeurs AMD, le patch arrive le 19 octobre"},"content":{"rendered":"

Microsoft vient de publier le premier patch Tuesday \u00e0 destination de Windows 11. Seulement, la mise \u00e0 jour est loin de r\u00e9gler le probl\u00e8me de diminution de performances des processeurs AMD, bien au contraire. En effet, elle ne fait qu'aggraver la situation. AMD a annonc\u00e9 l'arriv\u00e9e d'un correctif le 19 octobre.<\/strong><\/p>\n

\"amd
Cr\u00e9dits : AMD<\/figcaption><\/figure>\n

Comme vous le savez peut-\u00eatre, Windows 11 vient tout juste de recevoir sa toute premi\u00e8re mise \u00e0 jour<\/a>, plus connu sous le nom de Patch Tuesday. Si la MAJ en question a corrig\u00e9 pas moins de 36 failles de s\u00e9curit\u00e9, les possesseurs de processeurs AMD l'attendaient surtout au tournant pour une toute autre raison.<\/p>\n

En effet, la version finale de Windows 11 d\u00e9ploy\u00e9e depuis ce 5 octobre 2021<\/a> rencontre plusieurs probl\u00e8mes avec les SoC AMD<\/a>. En premier lieu, l'OS peut faire tripler la cadence du cache L3. Cela peut entra\u00eener des baisses de performances du processeur de l'ordre de 3 \u00e0 5%<\/strong> sur de nombreuses applications, tandis que cette perte monte entre 10 et 15% sur certains jeux comme Dota 2<\/em> ou encore Counter-Strike : Global Offensive.<\/em><\/p>\n

En outre, un bug au niveau de la fonctionnalit\u00e9 UEFI-CPPC2 emp\u00eache le d\u00e9placement des threads vers le c\u0153ur le plus performant. De fait, la premi\u00e8re mise \u00e0 jour Windows 11 \u00e9tait attendu avec impatience pour corriger ces soucis. Seulement et comme nous l'apprennent nos confr\u00e8res du site TechPowerUp, la latence du cache L3 a encore augment\u00e9 avec le d\u00e9ploiement du nouveau patch.<\/strong><\/p>\n

\"techpower
Cr\u00e9dits : TechPowerup<\/figcaption><\/figure>\n