{"id":543706,"date":"2019-09-17T10:02:03","date_gmt":"2019-09-17T08:02:03","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=543706"},"modified":"2023-09-20T13:21:53","modified_gmt":"2023-09-20T11:21:53","slug":"ryzen-3000-il-faut-donc-refaire-tous-les-tests","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/ryzen-3000-il-faut-donc-refaire-tous-les-tests\/","title":{"rendered":"Ryzen 3000 : il faut donc refaire tous les tests !"},"content":{"rendered":"\n
\"Image<\/figure>\n\n\n\n

Notre article coup de gueule<\/a> avait fait pol\u00e9mique lors du lancement de Ryzen 3000 d’AMD. Et finalement, malgr\u00e9 de multiples revirements de discours, la derni\u00e8re version de l’AGESA d’AMD parle d’elle-m\u00eame<\/a> : les fr\u00e9quences Boost sont finalement tr\u00e8s diff\u00e9rentes. Et il devrait en \u00eatre de m\u00eame pour la consommation du CPU au repos et en charge partielle. On peut donc bien parler d’un lancement, non pas rat\u00e9, mais invalide, car tous les tests publi\u00e9s sont aujourd’hui \u00e0 refaire, afin de conna\u00eetre, deux mois apr\u00e8s, les performances r\u00e9elles pr\u00e9cises des Ryzen 3000.<\/p>\n\n\n\n

Si le discours d’AMD fut assez fumeux jusqu’ici, un classique pour prot\u00e9ger sa r\u00e9putation (et son action en bourse), on peut s’\u00e9tonner du silence religieux des m\u00e9dias lors du lancement. Nous avons \u00e9t\u00e9 les seuls \u00e0 pointer clairement du doigt ce probl\u00e8me de fr\u00e9quences, prenant le risque d’invalider nos propres tests. Une initiative soigneusement \u00e9vit\u00e9e par la grande majorit\u00e9 des testeurs (except\u00e9 chez Anandtech<\/em>), qui ne se sont jamais exprim\u00e9s sur ce probl\u00e8me, touchant pourtant bien leurs tests de lancement…<\/p>\n\n\n\n

Un comportement significativement diff\u00e9rent<\/h2>\n\n\n\n

Apr\u00e8s plusieurs semaines, les utilisateurs se sont rendus compte que presque aucun CPU ne tenaient les fr\u00e9quences Boost maximales annonc\u00e9es. La gronde montait, mais AMD a finalement r\u00e9gl\u00e9 le probl\u00e8me, d’une mani\u00e8re qui semble assez efficace, selon nos premiers tests. La bonne nouvelle, c’est que les acheteurs devraient se retrouver avec des processeurs plus efficaces aujourd’hui !<\/p>\n\n\n\n

Il faudra donc tester \u00e0 nouveaux les CPU, pas forc\u00e9ment dans les applications parfaitement multithread\u00e9es (encodage, etc.), mais dans les charges monocoeurs et ou n’occupant pas tous les threads du CPU… et donc surtout dans les jeux vid\u00e9o et les applications de bureau. Ce qui n’est pas n\u00e9gligeable ! De m\u00eame, dans cette situation, les Ryzen 3000 pourraient consommer moins d’\u00e9nergie, il faudra faire de nouvelles mesures !<\/p>\n","protected":false},"excerpt":{"rendered":"

Les tests de lancement des Ryzen \u00e9taient bien tous entach\u00e9s par un probl\u00e8me de fr\u00e9quence Boost aujourd'hui reconnu par AMD, et en cours de correction.<\/p>","protected":false},"author":7,"featured_media":543057,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ep_exclude_from_search":false,"footnotes":""},"categories":[487,4071],"tags":[551],"hubs":[],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_source":"","hide_sidebar":false,"hide_advertising":false},"yoast_head":"\nRyzen 3000 : il faut donc refaire tous les tests !<\/title>\n<meta name=\"description\" content=\"Les tests de lancement des Ryzen \u00e9taient bien tous entach\u00e9s par un probl\u00e8me de fr\u00e9quence Boost aujourd'hui reconnu par AMD, et en cours de correction.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link 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