{"id":780386,"date":"2023-04-05T16:45:00","date_gmt":"2023-04-05T14:45:00","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=780386"},"modified":"2023-07-21T14:12:10","modified_gmt":"2023-07-21T12:12:10","slug":"le-ryzen-9-7945hx-est-il-54-plus-efficace-que-le-core-i9-13980hx-comme-le-pretend-amd","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/le-ryzen-9-7945hx-est-il-54-plus-efficace-que-le-core-i9-13980hx-comme-le-pretend-amd\/","title":{"rendered":"Le Ryzen 9 7945HX est-il 54 % plus efficace que le Core i9-13980HX, comme le pr\u00e9tend AMD ?"},"content":{"rendered":"\n<p>Avec ses <a href=\"https:\/\/www.tomshardware.fr\/ryzen-7000-mobiles-4-architectures-cpu-3-architectures-graphiques-et-4-finesses-de-gravure-differentes\/\">processeurs Ryzen 7045<\/a>, AMD est d\u00e9sormais clairement en mesure de se confronter au haut de gamme d&#8217;Intel sur ce segment. En effet, les Ryzen 9 de cette s\u00e9rie outrepassent enfin la limite de 8 c\u0153urs CPU&nbsp;: le Ryzen 9 7845HX poss\u00e8de 12 c\u0153urs \/ 24 threads, le Ryzen 9 7945HX 16 c\u0153urs \/ 32 threads. Lors de son dernier webinaire Meet The Experts, AMD a expliqu\u00e9 que son porte-\u00e9tendard \u00e9tait plus performant dans les charges de travail applicatives, dans les jeux, et qu\u2019il offrait \u00e9galement une efficacit\u00e9 \u00e9nerg\u00e9tique bien sup\u00e9rieure \u00e0 celle des meilleurs <a href=\"https:\/\/www.tomshardware.fr\/intel-lache-des-dizaines-de-processeurs-raptor-lake\/\">Core Raptor Lake laptop (Core i9-13980HX et Core i9-13950HX)<\/a>.<\/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\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045.png\"><img alt=\"Image 1 : Le Ryzen 9 7945HX est-il 54 % plus efficace que le Core i9-13980HX, comme le pr\u00e9tend AMD ?\" decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-1024x575.png\" alt=\"\" class=\"wp-image-780387\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-1024x575.png 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-300x168.png 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-768x431.png 768w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-1320x741.png 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045.png 1456w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">\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\/2023\/04\/ryzen7045-2.png\"><img alt=\"Image 2 : Le Ryzen 9 7945HX est-il 54 % plus efficace que le Core i9-13980HX, comme le pr\u00e9tend AMD ?\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-2-1024x576.png\" alt=\"\" class=\"wp-image-780388\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-2-1024x576.png 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-2-300x169.png 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-2-768x432.png 768w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-2-1320x743.png 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/ryzen7045-2.png 1456w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">\u00a9 AMD<\/figcaption><\/figure><\/div><\/div>\n<\/div>\n\n\n\n<p>L\u2019une des diapositives illustre la sup\u00e9riorit\u00e9 pr\u00e9tendue du Ryzen 9 7945HX sur le Core i9-13950HX en mati\u00e8re de jeu vid\u00e9o. Dans un panel d\u2019une bonne vingtaine de jeux, comprenant Metro Exodus, Cyberpunk 2077 ou encore Total War Warhammer III, AMD revendique une sup\u00e9riorit\u00e9 moyenne de 10&nbsp;% en Full HD. Ainsi, selon l\u2019entreprise, le Ryzen 9 79450HX est le meilleur processeur mobile pour jouer. Seulement le <a href=\"https:\/\/www.tomshardware.fr\/ryzen-9-7945hx-le-nouveau-roi-des-processeurs-mobiles\/\">test du Ryzen 9 7945HX au sein de l\u2019Asus ROG Zephyrus Duo<\/a> r\u00e9alis\u00e9 par Noteboockcheck dont nous avons parl\u00e9 r\u00e9cemment aboutit \u00e0 une hi\u00e9rarchie inverse.<\/p>\n\n\n\n<p>D\u2019ailleurs, le test mis \u00e0 jour rel\u00e8ve un \u00e9cart un peu plus important que dans la preview&nbsp;: en gaming, le MSI Titan GT77 HX 13VI avec le Core i9 et la RTX 4090 mobile a un indice de 97 points, l\u2019Asus Zephyrus Duo 16 avec le Ryzen et le m\u00eame GPU, 88,8 points. Gardez \u00e0 l&#8217;esprit que nous parlons ici de ce qui se fait de mieux sur plateforme mobile \u00e0 l\u2019heure actuelle. Ces CPU d\u00e9livrent d\u2019excellences performances dans les deux cas, et devraient largement satisfaire la plupart des utilisateurs.<\/p>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong>A lire aussi, les derni\u00e8res actualit\u00e9s d\u00e9di\u00e9es aux processeurs AMD Ryzen 7000 en socket AM5 :<\/strong><\/p>\n\n\n\n    <ul>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/les-ryzen-9000-miseraient-sur-leur-npu-surpuissant-pour-ecraser-les-core-ultra\/\">Les Ryzen 9000 miseraient sur leur NPU surpuissant pour \u00e9craser les Core Ultra<\/a><\/li>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/hp-abandonne-intel-et-equipe-desormais-ses-pc-portables-gamer-omen-17-de-processeurs-amd\/\">HP abandonne Intel et \u00e9quipe d\u00e9sormais ses PC portables gamer Omen 17 de processeurs AMD<\/a><\/li>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/ryzen-pro-8000-series-amd-accelere-lia-sur-le-marche-pro-et-ecrase-les-core-ultra\/\">Ryzen Pro 8000 Series : AMD acc\u00e9l\u00e8re l&#8217;IA sur le march\u00e9 pro et \u00e9crase les Core Ultra<\/a><\/li>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/grace-a-asus-on-a-enfin-la-preuve-de-lexistence-des-amd-ryzen-9000-zen-5\/\">Gr\u00e2ce \u00e0 Asus, on a enfin la preuve de l&#8217;existence des AMD Ryzen 9000 &#8220;Zen 5&#8221;<\/a><\/li>\n            <\/ul>\n\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-la-question-de-l-efficacite-energetique\">La question de l&#8217;efficacit\u00e9 \u00e9nerg\u00e9tique<\/h2>\n\n\n\n<p>AMD clame \u00e9galement une efficacit\u00e9 \u00e9nerg\u00e9tique incomparable. Elle serait de 54&nbsp;% en faveur de son Ryzen par rapport au Core i9-13980HX dans le test Cinebench multic\u0153urs. D\u2019apr\u00e8s l\u2019entreprise, le Ryzen 9 7945HX marque 33 466 points avec une puissance moyenne de 73 W, le Core i9, 28 837 points avec une puissance de 97 W.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/efficacite.png\"><img alt=\"Image 3 : Le Ryzen 9 7945HX est-il 54 % plus efficace que le Core i9-13980HX, comme le pr\u00e9tend AMD ?\" decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/efficacite-1024x575.png\" alt=\"\" class=\"wp-image-780389\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/efficacite-1024x575.png 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/efficacite-300x169.png 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/efficacite-768x432.png 768w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/efficacite-1536x863.png 1536w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/efficacite.png 2048w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/efficacite-1320x742.png 1320w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">\u00a9 AMD<\/figcaption><\/figure><\/div>\n\n\n<p>Le score du Ryzen 9 est confirm\u00e9 par les mesures de Notebookcheck. Nos confr\u00e8res ont obtenu 34 521 points dans ce test. En revanche, AMD sous-\u00e9value le score du Core i9&nbsp;: ce dernier r\u00e9alise environ 33 052 points (Titan GT77 HX 13VI) selon les mesures du site.<\/p>\n\n\n\n<p><strong>\u00c0 lire &gt; <a href=\"https:\/\/www.tomshardware.fr\/test-processeur-amd-ryzen-7950-x3d-gaming-jeux-cpu\/\">Test AMD Ryzen 7 7800X3D : presque la moiti\u00e9 d\u2019un 7950X3D, parfait pour jouer<\/a><\/strong><\/p>\n\n\n\n<p>Globalement, dans les benchmarks CPU de Notebookcheck, le Ryzen 9 7945HX est leader avec 91,8 points, contre environ 88 points pour les deux Core i9. Si l\u2019on tient compte de la consommation des processeurs, le Ryzen 9 est effectivement tr\u00e8s sup\u00e9rieur. Comme le montrent les valeurs du tableau ci-dessous, obtenues en multic\u0153urs dans Cinebench R23 \u00e0 diff\u00e9rents TDP, l\u2019efficacit\u00e9 \u00e9nerg\u00e9tique du Ryzen est largement sup\u00e9rieure \u00e0 celle du Core. Bref, il n&#8217;y a pas d\u00e9bat, seulement les 54 % d&#8217;AMD sont exag\u00e9r\u00e9s, l&#8217;\u00e9cart est plut\u00f4t de 30 % environ.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><div class=\"table-wrapper\"><table><tbody><tr><td><strong>TDP<\/strong><\/td><td><strong>Core i9-13980HX<\/strong><\/td><td><strong>Ryzen 9 7945HX<\/strong><\/td><td>Diff\u00e9rence<\/td><\/tr><tr><td>Par d\u00e9faut<\/td><td>33 052<\/td><td>34 521<\/td><td>4 %<\/td><\/tr><tr><td>100 Watts<\/td><td>26 507<\/td><td>33 487<\/td><td>26 %<\/td><\/tr><tr><td>80 Watts<\/td><td>23 766<\/td><td>31 588<\/td><td>33 %<\/td><\/tr><tr><td>55 Watts<\/td><td>19 478<\/td><td>26 191<\/td><td>34 %<\/td><\/tr><\/tbody><\/table><\/div><\/figure>\n\n\n\n<p>Pour finir, AMD met en avant plusieurs optimisations propres \u00e0 sa plateforme.<\/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\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_3.png\"><img alt=\"Image 4 : Le Ryzen 9 7945HX est-il 54 % plus efficace que le Core i9-13980HX, comme le pr\u00e9tend AMD ?\" decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_3-1024x575.png\" alt=\"\" class=\"wp-image-780390\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_3-1024x575.png 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_3-300x168.png 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_3-768x431.png 768w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_3-1536x862.png 1536w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_3.png 2048w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_3-1320x741.png 1320w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">\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\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_4.png\"><img alt=\"Image 5 : Le Ryzen 9 7945HX est-il 54 % plus efficace que le Core i9-13980HX, comme le pr\u00e9tend AMD ?\" decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_4-1024x575.png\" alt=\"\" class=\"wp-image-780391\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_4-1024x575.png 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_4-300x168.png 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_4-768x431.png 768w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_4-1536x863.png 1536w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_4.png 2048w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2023\/04\/AMD-Ryzen-7045-Dragon-Range-High-Performance-Laptop-CPUs-_4-1320x741.png 1320w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption class=\"wp-element-caption\">\u00a9 AMD<\/figcaption><\/figure><\/div><\/div>\n<\/div>\n\n\n\n<p class=\"has-small-font-size\"><em>Sources : <a href=\"https:\/\/webinars.amd.com\/wcc\/eh\/3751456\/lp\/4154432\/the-ultimate-mobile-experience-amd-ryzen-7045-series-processors\" target=\"_blank\" rel=\"noreferrer noopener\">AMD<\/a>, <a href=\"https:\/\/www.notebookcheck.net\/AMD-strikes-back-Ryzen-9-7945HX-beats-Intel-Core-i9-13980HX-despite-much-lower-power-consumption.698349.0.html\" target=\"_blank\" rel=\"noreferrer noopener\">Notebookcheck<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le Ryzen 9 7945HX est sans conteste un excellent processeur mobile, le meilleur si l'on prend en compte les performances et la consommation. Il fait un peu moins bien que les Core i9 Raptor Lake\u2026<\/p>","protected":false},"author":87,"featured_media":780392,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ep_exclude_from_search":false,"footnotes":""},"categories":[487,4070,4071],"tags":[4065],"hubs":[],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_show_in_home":false,"post_source":"","hide_sidebar":false,"hide_advertising":false,"post_show_summary":false},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v22.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Le Ryzen 9 7945HX est-il 54 % plus efficace que le Core i9-13980HX, comme le pr\u00e9tend AMD ?<\/title>\n<meta name=\"description\" content=\"Le Ryzen 9 7945HX est sans conteste un excellent processeur mobile, le meilleur si l&#039;on prend en compte les performances et la consommation. Il fait un peu moins bien que les Core i9 Raptor Lake dans les jeux, mais domine en applicatif. Et son efficacit\u00e9 \u00e9nerg\u00e9tique est effectivement bien sup\u00e9rieure \u00e0 celles des Core.\" \/>\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.tomshardware.fr\/le-ryzen-9-7945hx-est-il-54-plus-efficace-que-le-core-i9-13980hx-comme-le-pretend-amd\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le Ryzen 9 7945HX est-il 54 % plus efficace que le Core i9-13980HX, comme le pr\u00e9tend AMD ?\" \/>\n<meta property=\"og:description\" content=\"Le Ryzen 9 7945HX est sans conteste un excellent processeur mobile, le meilleur si l&#039;on prend en compte les performances et la consommation. 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