{"id":97890,"date":"2026-01-06T22:48:21","date_gmt":"2026-01-06T22:48:21","guid":{"rendered":"https:\/\/playersforlife.com\/2026\/01\/06\/nouvelles-epreuves-de-la-technologiedlss-4-5-de-nvidia-montrent-une-qualite-visuelle-impressionnante-mais-penaliseient-lourdement-les-performances-sur-les-anciennes-cartes-graphiquesrtx\/"},"modified":"2026-01-06T22:53:06","modified_gmt":"2026-01-06T22:53:06","slug":"nouvelles-epreuves-de-la-technologiedlss-4-5-de-nvidia-montrent-une-qualite-visuelle-impressionnante-mais-penaliseient-lourdement-les-performances-sur-les-anciennes-cartes-graphiquesrtx","status":"publish","type":"post","link":"https:\/\/playersforlife.com\/fr\/2026\/01\/06\/nouvelles-epreuves-de-la-technologiedlss-4-5-de-nvidia-montrent-une-qualite-visuelle-impressionnante-mais-penaliseient-lourdement-les-performances-sur-les-anciennes-cartes-graphiquesrtx\/","title":{"rendered":"Nouvelles \u00e9preuves de la technologieDLSS 4.5 de NVIDIA montrent une qualit\u00e9 visuelle impressionnante mais p\u00e9naliseient lourdement les performances sur les anciennes cartes graphiquesRTX"},"content":{"rendered":"<p><div class=\"key-takeaways\"><h3>En quelques mots<\/h3><p>Cr\u00e9\u00e9 avec l&#039;IA - on travaille encore dessus ! D\u00e9sol\u00e9 si \u00e7a ne correspond pas tout \u00e0 fait \u00e0 vos attentes.<\/p><ul><li style=\"margin-bottom: 8px;\">DLSS 4.5 offre une qualit\u00e9 visuelle am\u00e9lior\u00e9e, notamment en termes de d\u00e9tails plus nets et de stabilit\u00e9 temporelle, gr\u00e2ce \u00e0 l&#039;utilisation d&#039;un mod\u00e8le Transformateur de deuxi\u00e8me g\u00e9n\u00e9ration et des Tensor Cores pour le sur\u00e9chantillonnage AI.<\/li><li style=\"margin-bottom: 8px;\">La qualit\u00e9 d&#039;image am\u00e9lior\u00e9e est obtenue au prix d&#039;une perte de performance, surtout sur les anciennes cartes graphiques RTX comme la s\u00e9rie RTX 20 et RTX 30. Par exemple, la RTX 3080 Ti voit une baisse de performance de 24 % lorsqu&#039;on compare DLSS 4.5 \u00e0 DLSS 4.0 dans certaines conditions.<\/li><li style=\"margin-bottom: 8px;\">Les nouvelles fonctionnalit\u00e9s de DLSS 4.5 de NVIDIA sont plus gourmandes en calculs, entra\u00eenant une augmentation de l&#039;utilisation de la m\u00e9moire vid\u00e9o et des goulots d&#039;\u00e9tranglement potentiels sur les anciennes cartes graphiques. Cela peut entra\u00eener une r\u00e9duction des performances, notamment pour la s\u00e9rie RTX 50 avec une r\u00e9duction de 23% des performances.<\/li><li style=\"margin-bottom: 8px;\">DLSS 3.0, une am\u00e9lioration des graphismes dans les jeux utilisant l&#039;IA pour augmenter le nombre d&#039;images par seconde et la qualit\u00e9 de l&#039;image, sera disponible sur les prochaines g\u00e9n\u00e9rations de GPUs tant chez NVIDIA que chez AMD. Des jeux comme Cyberpunk 2077 et Horizon Forbidden West sont attendus pour prendre en charge DLSS 3.0. Les joueurs disposant de anciennes cartes graphiques devront peut-\u00eatre r\u00e9fl\u00e9chir au compromis entre les am\u00e9liorations visuelles et les possibles impacts sur les performances lors de l&#039;utilisation de DLSS 4.5.<\/li><\/ul><\/div><br \/>\n<h3>Recommended products<\/h3><p class=\"aws-affiliate-disclaimer\">This page contains affiliate links. 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src=\"https:\/\/m.media-amazon.com\/images\/I\/710RpJIzoKL._AC_SX522_.jpg\" alt=\"TV Game Console Built in 100+ Games, Handheld Video Game Machine with 2.4G Wireless Gamepad Somatosensory Control, HD Plug and Play, Home Interactive&amp; Puzzle Games, Red\" title=\"\"><\/a><\/div><div class=\"aws-product-content\"><h4><a href=\"https:\/\/www.amazon.com\/YRPRSODF-Handheld-Wireless-Somatosensory-Interactive\/dp\/B09NGWD9V8\/ref=sr_1_2?tag=playersforlif-20\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">TV Game Console Built in 100+ Games, Handheld Video Game Machine with 2.4G Wireless Gamepad Somatosensory Control, HD Plug and Play, Home Interactive&amp; Puzzle Games, Red<\/a><\/h4><div class=\"aws-product-prices\"><span class=\"aws-current-price\">$54.99<\/span><\/div><\/div><\/div><div class=\"aws-product-card\"><div class=\"aws-product-image\"><a href=\"https:\/\/www.amazon.com\/Breaking-Games-Phones-Modern-Party\/dp\/B01MPYI60H\/ref=sr_1_3?tag=playersforlif-20\" 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34-Inch Curved Ultrawide WQHD Monitor 3440 x 1440 R1500 up to 180Hz\/165Hz DisplayPort x2 99% sRGB 1ms Picture by Picture, Build-in Speakers Machine Black 2025 (C345B-QUT168)\" title=\"\"><\/a><\/div><div class=\"aws-product-content\"><h4><a href=\"https:\/\/www.amazon.com\/Sceptre-34-Inch-Ultrawide-DisplayPort-C345B-QUT168\/dp\/B0BTK1C533\/ref=sr_1_3?tag=playersforlif-20\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Sceptre 34-Inch Curved Ultrawide WQHD Monitor 3440 x 1440 R1500 up to 180Hz\/165Hz DisplayPort x2 99% sRGB 1ms Picture by Picture, Build-in Speakers Machine Black 2025 (C345B-QUT168)<\/a><\/h4><div class=\"aws-product-prices\"><span class=\"aws-original-price\">$269.97<\/span><span class=\"aws-discounted-price\">$219.97<\/span><\/div><\/div><\/div><\/div>\n        <style>\n            .aws-affiliate-disclaimer {\n                font-size: 13px;\n                color: #666;\n                margin: 4px 0 16px 0;\n            }\n\n            .aws-product-grid {\n                display: grid;\n                grid-template-columns: repeat(3, 1fr);\n                gap: 20px;\n                margin: 20px 0;\n            }\n            \n            .aws-product-card {\n                border: 1px solid #e0e0e0;\n                border-radius: 8px;\n                overflow: hidden;\n                background: #fff;\n                box-shadow: 0 2px 4px rgba(0,0,0,0.1);\n                transition: transform 0.2s ease, box-shadow 0.2s ease;\n                position: relative;\n            }\n            \n            .aws-product-card:hover {\n                transform: translateY(-2px);\n                box-shadow: 0 4px 8px rgba(0,0,0,0.15);\n            }\n            \n            .aws-discount-badge {\n                position: absolute;\n                top: 10px;\n                right: 10px;\n                background: #ff4444;\n                color: white;\n                padding: 4px 8px;\n                border-radius: 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         font-size: 16px;\n                line-height: 1.3;\n            }\n            \n            .aws-product-content h4 a {\n                color: #333;\n                text-decoration: none;\n                transition: color 0.2s ease;\n            }\n            \n            .aws-product-content h4 a:hover {\n                color: #0073aa;\n            }\n            \n            .aws-product-prices {\n                display: flex;\n                align-items: center;\n                gap: 8px;\n                font-weight: bold;\n            }\n            \n            .aws-original-price {\n                text-decoration: line-through;\n                color: #999;\n                font-size: 14px;\n            }\n            \n            .aws-discounted-price {\n                color: #ff4444;\n                font-size: 16px;\n            }\n            \n            .aws-current-price {\n                color: #333;\n                font-size: 16px;\n            }\n            \n            \/* Tablet styles - 2 columns *\/\n            @media (max-width: 768px) {\n                .aws-product-grid {\n                    grid-template-columns: repeat(2, 1fr);\n                    gap: 15px;\n                }\n                \n                .aws-product-image {\n                    height: 180px;\n                }\n            }\n            \n            \/* Mobile styles - 1 column *\/\n            @media (max-width: 480px) {\n                .aws-product-grid {\n                    grid-template-columns: 1fr;\n                    gap: 15px;\n                }\n                \n                .aws-product-image {\n                    height: 220px;\n                }\n                \n                .aws-product-content {\n                    padding: 12px;\n                }\n            }\n        <\/style><\/p>\n<h2>Nouveau DLSS 4.5 offre des visuels de jeu plus nets, mais subi une perte de performances sur les anciennes cartes RTX<\/h2>\n<p>Les premiers tests montrent que le DLSS 4.5 offre des d\u00e9tails visuels plus nets dans les jeux, mais entra\u00eene \u00e9galement une p\u00e9nalit\u00e9 consid\u00e9rable des performances sur les anciennes cartes RTX, en particulier les s\u00e9ries RTX 20 et RTX 30. Le DLSS 4.5 am\u00e9liore la qualit\u00e9 de l&rsquo;image gr\u00e2ce au r\u00e9\u00e9chantillonnage AI utilisant un mod\u00e8le Transformer de deuxi\u00e8me g\u00e9n\u00e9ration et les Tensor Cores. Bien qu&rsquo;il soit compatible avec les cartes RTX plus anciennes, l&rsquo;obtention des visuels am\u00e9lior\u00e9s co\u00fbte une perte de performance. La demande accrue de m\u00e9moire graphique peut cr\u00e9er des goulots d&rsquo;\u00e9tranglement, en particulier pour les anciennes GPUs. Par exemple, avec Cyberpunk 2077 ex\u00e9cut\u00e9 en 4K avec le ray tracing pouss\u00e9 au maximum, la RTX 3080 Ti voit une perte de performance de 24 % lors de la comparaison du DLSS 4.5 au DLSS 4.0. Les fr\u00e9quences moyennes d&rsquo;images sont pass\u00e9es de 40 ips \u00e0 32 ips en mode Qualit\u00e9. Les performances baissent \u00e9galement en 1440p (environ 14 %) et lorsque le ray tracing est d\u00e9sactiv\u00e9 (environ 20 %). Les cartes graphiques RTX plus r\u00e9centes subissent des pertes de performances plus faibles et b\u00e9n\u00e9ficient des am\u00e9liorations visuelles dans la v\u00e9g\u00e9tation, les textures et les personnages. Selon Jacob Freeman, le mod\u00e8le DLSS 4.5 est cinq fois plus gourmand en calculs.<\/p>\n<h2>Dlss 4.5 am\u00e9lior\u00e9 apporte des visuels nets et une stabilit\u00e9 temporelle, mais une l\u00e9g\u00e8re baisse des performances sur certaines anciennes cartes graphiques Rtx<\/h2>\n<p>NVIDIA a affin\u00e9 le DLSS 4.5 \u00e0 l&rsquo;aide de donn\u00e9es extensives provenant de ses derniers centres de donn\u00e9es. Le mod\u00e8le AI est d\u00e9sormais plus apte \u00e0 comprendre le mouvement, la g\u00e9om\u00e9trie, l&rsquo;\u00e9clairage et la disocclusion, ce qui leads \u00e0 une am\u00e9lioration du ghosting et de l&rsquo;anticr\u00e9nelage. Des jeux comme The Elder Scrolls IV: Oblivion Remastered, Indiana Jones and the Great Circle et Kingdom Come: Deliverance II pr\u00e9sentent une stabilit\u00e9 temporelle am\u00e9lior\u00e9e, unghosting r\u00e9duit et des bords plus r\u00e9guliers. Le DLSS 4.5 augmente \u00e9galement l&rsquo;utilisation de la VRAM. Les tests comparant l&rsquo;utilisation de la VRAM \u00e0 trois r\u00e9solutions pour les s\u00e9ries RTX 2030 et RTX 4050 ont montr\u00e9 une augmentation de la capacit\u00e9 de 40,2 % \u00e0 103,7 %. Un utilisateur d&rsquo;ordinateur portable RTX 4060 a signal\u00e9 une baisse de performances de presque 16 %. L&rsquo;activation du DLSS 4.5 sur la s\u00e9rie RTX 50 entra\u00eene une r\u00e9duction des performances de 23 %, mais fournit des avantages significatifs en termes de qualit\u00e9 d&rsquo;image. NVIDIA propose le DLSS 3.0, une mise \u00e0 niveau des graphiques jeux, qui utilise l&rsquo;IA pour am\u00e9liorer les fr\u00e9quences d&rsquo;images et la qualit\u00e9 de l&rsquo;image et sera disponible sur certaines GPUs de prochaine g\u00e9n\u00e9ration \u00e0 la fois chez NVIDIA et AMD. Cyberpunk 2077 et Horizon Forbidden West devraient prendre en charge le DLSS 3.0.<\/p>\n<h2>Nouveau DLSS 4.5 offre des am\u00e9liorations visuelles mais un impact potentiel sur les performances sur les anciennes cartes graphiques Rtx en 4K et 1440p<\/h2>\n<p>Des tests de performances comparatives utilisant le Pr\u00e9set K et le Pr\u00e9set M avec DLSS 4.5 dans Cyberpunk ont montr\u00e9 des fr\u00e9quences d&rsquo;images moyennes et des pourcentage de pertes de performance \u00e0 4K et 1440p sur la RTX 3080 Ti. Un tableau comparatif de la latence NVIDIA GeForce GPU de la RTX 2080 Ti \u00e0 la RTX 5090 selon trois r\u00e9solutions (1920&#215;1080, 2560&#215;1440 et 3840&#215;2160) indique une latence plus faible sur les mod\u00e8les plus r\u00e9cents. Le DLSS 4.5 repr\u00e9sente un progr\u00e8s significatif en mati\u00e8re de qualit\u00e9 d&rsquo;image. Les joueurs avec des cartes graphiques anciennes doivent peut-\u00eatre peser les am\u00e9liorations visuelles par rapport aux performances, car cette version est plus gourmande en ressources. T\u00e9l\u00e9chargez les derniers Pilotes GeForce pour essayer le DLSS 4.5 RTX AI Super Resolution.<\/p>\n<h2>Au cas o\u00f9 vous l&rsquo;auriez manqu\u00e9<\/h2>\n<p>Accrochez vos ceintures, les passionn\u00e9s de jeux vid\u00e9o ! Nous nous plongeons dans un tourbillon de nouvelles avec Marcus Thompson \u00e0 la barre. Tout d&rsquo;abord, Xbox a connu une chute inattendue sur le march\u00e9 britannique l&rsquo;an dernier, avec une baisse des ventes de 39 %, ce qui constitue leur pire performance jamais enregistr\u00e9e (<a href=\"https:\/\/playersforlife.com\/fr\/2026\/01\/04\/xbox-connait-son-plus-mauvais-resultat-historique-en-termes-de-ventes-au-royaume-uni-avec-une-baisse-record-de-39-par-rapport-a-l-annee-precedente\/\" target=\"_blank\" rel=\"noopener noreferrer\">Xbox conna\u00eet son plus mauvais r\u00e9sultat historique en termes de ventes au Royaume-Uni avec une baisse record de 39 % par rapport \u00e0 l&rsquo;ann\u00e9e pr\u00e9c\u00e9dente.<\/a>). Dans le m\u00eame temps, Matt Firor, le d\u00e9veloppeur principal de The Elder Scrolls Online, a quitt\u00e9 ZeniMax Online Studios apr\u00e8s presque deux d\u00e9cennies en raison de son d\u00e9saccord avec les licenciements massifs et la fermeture des studios de Microsoft (<a href=\"https:\/\/playersforlife.com\/fr\/2026\/01\/02\/directeur-de-the-elder-scrolls-online-quitte-a-cause-de-microsoft\/\" target=\"_blank\" rel=\"noopener noreferrer\">Directeur de The Elder Scrolls Online quitte \u00e0 cause de Microsoft<\/a>). Mais passons \u00e0 quelque chose de plus encourageant \u2013 avez-vous \u00e9t\u00e9 captiv\u00e9 par Clair Obscur: Expedition 33 ? Marcus Thompson nous emm\u00e8ne derri\u00e8re les sc\u00e8nes avec Sandfall Interactive dans son dernier article, r\u00e9v\u00e9lant comment le studio a sous-estim\u00e9 le potentiel de leur jeu (<a href=\"https:\/\/playersforlife.com\/fr\/2026\/01\/02\/avant-la-sortie-sandfall-pensait-que-clair-obscur-obtiendrait-un-score-de-80-sur-metacritic\/\" target=\"_blank\" rel=\"noopener noreferrer\">Avant la Sortie, Sandfall Pensait que Clair Obscur Obtiendrait un Score de 80 sur Metacritic<\/a>).<\/p>\n<div class=\"external-references\"><h2>Ils en parlent aussi dans la presse \u00e9trang\u00e8re<\/h2><p class=\"external-references__disclaimer\">Si vous comprenez l&#039;anglais, voici des liens vers des sources externes<\/p><ul class=\"external-references__list\"><li class=\"external-references__item\" data-index=\"1\"><span class=\"external-references__title\">Related Story NVIDIA GeForce Game Ready 591.74 Driver Now Available With DLSS 4.5 RTX Super Res Support<\/span><a href=\"https:\/\/wccftech.com\/early-dlss-4-5-testing-reveals-drastically-crisper-details-but-older-gen-rtx-gpus-take-nearly-20-performance-hit\/\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"external-references__link\"><span class=\"external-references__title\">Related Story NVIDIA GeForce Game Ready 591.74 Driver Now Available With DLSS 4.5 RTX Super Res Support<\/span><span class=\"external-references__domain\">wccftech.com<\/span><\/a><\/li><li class=\"external-references__item\" data-index=\"2\"><span class=\"external-references__title\">Nvidia reveals DLSS 4.5 with anti-aliasing upgrades and a dynamic, if slightly mad, 6x frame gen mode<\/span><a href=\"https:\/\/www.rockpapershotgun.com\/nvidia-reveals-dlss-45-with-anti-aliasing-upgrades-and-a-dynamic-if-slightly-mad-6x-frame-gen-mode\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"external-references__link\"><span class=\"external-references__title\">Nvidia reveals DLSS 4.5 with anti-aliasing upgrades and a dynamic, if slightly mad, 6x frame gen mode<\/span><span class=\"external-references__domain\">rockpapershotgun.com<\/span><\/a><\/li><li class=\"external-references__item\" data-index=\"3\"><span class=\"external-references__title\">What Nvidia DLSS 4.5 brings to the table<\/span><a href=\"https:\/\/www.digit.in\/features\/gaming\/nvidia-dlss-45-is-here-to-enhance-your-gaming-sessions-what-it-does-and-all-you-should-know.html\" target=\"_blank\" rel=\"noopener noreferrer nofollow\" class=\"external-references__link\"><span class=\"external-references__title\">What Nvidia DLSS 4.5 brings to the table<\/span><span class=\"external-references__domain\">digit.in<\/span><\/a><\/li><\/ul><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Nouvelles cartes graphiques NVIDIA profitent des avantages de la technologie DLSS 4.5, offrant une qualit\u00e9 visuelle am\u00e9lior\u00e9e et des pertes de performances minimales, tandis que les mod\u00e8les plus anciens de la s\u00e9rie RTX peuvent rencontrer des goulets d&rsquo;\u00e9tranglement en raison d&rsquo;une consommation accrue de VRAM, n\u00e9cessitant aux utilisateurs de consid\u00e9rer les compromis potentiels lors de l&rsquo;activation de cette technologie.<\/p>\n","protected":false},"author":9,"featured_media":97883,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_lmt_disableupdate":"","_lmt_disable":"","movie_schema":"","tvshow_schema":"","videogame_schema":"","meta_description":"\"NVIDIA's DLSS 4.5 offre une qualit\u00e9 d'image am\u00e9lior\u00e9e, mais p\u00e9nalise s\u00e9rieusement les performances sur les anciennes cartes graphiques RTX.\"","meta_keywords":"dlss_4.5, nvidia, am\u00e9lioration_image, performance_graphiques, cartes_graphiques_rtx","meta_author":"Mael Blaese","meta_robots":"index, follow","meta_language":"en","twitter_card":"summary_large_image","twitter_title":"DLSS 4.5 : Nouvelles promesses pour la qualit\u00e9 visuelle mais performances amoindries sur les anciennes cartes graphiques RTX","twitter_description":"D\u00e9couvrez les nouvelles prouesses de NVIDIA avec DLSS 4.5 : une qualit\u00e9 visuelle \u00e9poustouflante, mais \u00e0 quel co\u00fbt pour vos performances ?","twitter_site":"","twitter_site_id":"","twitter_creator":"","twitter_creator_id":"","twitter_image":"https:\/\/assetsio.gnwcdn.com\/DLSS-4.5.jpg","twitter_image_alt":"","twitter_app_name_iphone":"","twitter_app_id_iphone":"","twitter_app_url_iphone":"","twitter_app_name_ipad":"","twitter_app_id_ipad":"","twitter_app_url_ipad":"","twitter_app_name_googleplay":"","twitter_app_id_googleplay":"","twitter_app_url_googleplay":"","twitter_player":"","twitter_player_width":0,"twitter_player_height":0,"twitter_player_stream":"","og_title":"DLSS 4.5 : Nouvelles promesses pour la qualit\u00e9 visuelle mais performances amoindries sur les anciennes cartes graphiques RTX","og_type":"article","og_url":"https:\/\/playersforlife.com\/fr\/2026\/01\/06\/nouvelles-epreuves-de-la-technologiedlss-4-5-de-nvidia-montrent-une-qualite-visuelle-impressionnante-mais-penaliseient-lourdement-les-performances-sur-les-anciennes-cartes-graphiquesrtx\/","og_image":"https:\/\/assetsio.gnwcdn.com\/DLSS-4.5.jpg","og_image_secure_url":"https:\/\/assetsio.gnwcdn.com\/DLSS-4.5.jpg","og_image_type":"image\/jpeg","og_image_width":0,"og_image_height":0,"og_image_alt":"","og_description":"D\u00e9couvrez les nouvelles prouesses de NVIDIA avec DLSS 4.5 : une qualit\u00e9 visuelle \u00e9poustouflante, mais \u00e0 quel co\u00fbt pour vos performances ?","og_site_name":"PlayersForLife.com","og_locale":"en_US","og_article_published_time":"2026-01-06T22:52:21","og_article_modified_time":"2026-01-06T22:52:21","og_article_author":"Mael 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