{"id":900242,"date":"2024-12-03T07:36:00","date_gmt":"2024-12-03T06:36:00","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=900242"},"modified":"2024-12-03T01:49:57","modified_gmt":"2024-12-03T00:49:57","slug":"la-amd-radeon-rx-8800-xt-serait-jusqua-45-plus-performante-que-la-rx-7900-xtx","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/la-amd-radeon-rx-8800-xt-serait-jusqua-45-plus-performante-que-la-rx-7900-xtx\/","title":{"rendered":"La AMD Radeon RX 8800 XT serait jusqu’\u00e0 45% plus performante que la RX 7900 XTX"},"content":{"rendered":"\n

AMD s’appr\u00eate \u00e0 lancer sa nouvelle carte graphique haut de gamme, quoique pas la plus performante de la gamme, mais qui suffirait \u00e0 combler les besoins de la majorit\u00e9 des joueurs, la Radeon RX 8800 XT, bas\u00e9e sur l’architecture RDNA 4. Selon des informations r\u00e9centes, cette carte offrirait des performances en ray tracing sup\u00e9rieures de 45\u202f% par rapport \u00e0 la Radeon RX 7900 XTX<\/a>, tout en consommant 25\u202f% d’\u00e9nergie en moins, une tr\u00e8s belle promesse qui forc\u00e9ment, va en int\u00e9resser plus d’un !<\/p>\n\n\n\n

\"caract\u00e9ristiques<\/figure>\n\n\n\n

La RX 8800 XT serait \u00e9quip\u00e9e du GPU Navi 48, une puce monolithique grav\u00e9e en 4 nm par TSMC<\/a>, visant \u00e0 am\u00e9liorer l’efficacit\u00e9 \u00e9nerg\u00e9tique. Les sp\u00e9cifications sugg\u00e8rent une configuration de 64 unit\u00e9s de calcul, totalisant 4\u202f096 processeurs de flux, avec des fr\u00e9quences de fonctionnement comprises entre 2,9 GHz et 3,2 GHz en conditions de jeu.<\/p>\n\n\n\n

Un rattrapage sur le ray tracing<\/h2>\n\n\n\n

En mati\u00e8re de performances, la RX 8800 XT rivaliserait avec la GeForce RTX 4080<\/a> de Nvidia, tant en rast\u00e9risation qu’en ray tracing. Aucune indication n’est en revanche donn\u00e9e, sur un comparatif avec la RTX 4080 Super, qui est quant \u00e0 elle plus performante. Cependant, on peut supposer que cette nouvelle carte de chez AMD d\u00e9passera le mod\u00e8le actuel de chez Nvidia.<\/p>\n\n\n\n

Cette avanc\u00e9e significative dans le ray tracing est cruciale pour AMD, qui cherche \u00e0 combler son retard encore assez important face \u00e0 Nvidia dans ce domaine.<\/p>\n\n\n\n

\"amd<\/figure>\n\n\n\n

La production en masse de la RX 8800 XT devrait d\u00e9buter \u00e0 la mi-d\u00e9cembre, avec une disponibilit\u00e9 pr\u00e9vue pour la fin de l’ann\u00e9e 2024 voire pour le CES 2025, on ne sait pas encore quand le constructeur compte annonce ses nouvelles cartes graphiques.<\/p>\n\n\n\n

AMD semble se concentrer sur le segment milieu de gamme, offrant des performances \u00e9lev\u00e9es \u00e0 un prix comp\u00e9titif, potentiellement entre 499 et 599 dollars, ce qui repr\u00e9senterait environ la moiti\u00e9 du prix de la RTX 4080. Parlons en euros maintenant, on peut rajouter environ 100 \u00e0 150 euros \u00e0 ce prix en dollars, pour avoir une id\u00e9e du prix de ces futures cartes graphiques.<\/p>\n\n\n\n

Gamme AMD RNDA<\/h2>\n\n\n\n
Gamme<\/th>Radeon RX 5000<\/th>Radeon RX 6000<\/th>Radeon RX 7000<\/th>Radeon RX 8000<\/th><\/tr><\/thead>
Architecture GPU<\/td>RDNA 1<\/td>RDNA 2<\/td>RDNA 3 \/ RDNA 2<\/td>RDNA 4<\/td><\/tr>
Finesse de gravure<\/td>7nm<\/td>7nm<\/td>5nm\/6nm<\/td>4nm?<\/td><\/tr>
Famille de GPU<\/td>Navi 1X<\/td>Navi 2X<\/td>Navi 3X<\/td>Navi 4X<\/td><\/tr><\/tbody><\/table><\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"

Les nouvelles cartes graphiques de chez AMD, notamment la RX 8000 XT, consommeraient nettement moins d'\u00e9nergie, mais offriraient des performances nettement sup\u00e9rieures \u00e0 la gamme pr\u00e9c\u00e9dente.<\/p>","protected":false},"author":133,"featured_media":900244,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4072],"tags":[],"hubs":[],"class_list":["post-900242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cartes-graphiques"],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_show_in_home":true,"post_show_summary":false,"post_source":"","hide_sidebar":false,"hide_advertising":false,"custom_ga_words":""},"yoast_head":"\nLa AMD Radeon RX 8800 XT serait jusqu'\u00e0 45% plus performante que la RX 7900 XTX<\/title>\n<meta name=\"description\" content=\"Les nouvelles cartes graphiques de chez AMD, notamment 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