{"id":576895,"date":"2020-05-12T12:30:35","date_gmt":"2020-05-12T10:30:35","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=576895"},"modified":"2023-06-22T17:47:21","modified_gmt":"2023-06-22T15:47:21","slug":"une-rtx-3080-ti-avec-une-bande-passante-memoire-de-863-go-s-et-une-puissance-de-21-tlfops","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/une-rtx-3080-ti-avec-une-bande-passante-memoire-de-863-go-s-et-une-puissance-de-21-tlfops\/","title":{"rendered":"Une RTX 3080 Ti avec une bande passante m\u00e9moire de 863 Go\/s et une puissance de 21 TLFOPS ?"},"content":{"rendered":"\n<p>La prochaine g\u00e9n\u00e9ration de cartes graphiques chez NVIDIA s\u2019intitule Ampere. Il y a quelques jours, on a eu connaissance <a href=\"https:\/\/www.tomshardware.fr\/des-specifications-et-des-dates-de-sortie-pour-les-gpu-ampere-de-nvidia\/\">de sp\u00e9cifications et de dates de sortie pour ces RTX 3000<\/a> grav\u00e9es en 7 nm. La cha\u00eene cha\u00eene YouTube Moore&#8217;s Law is Dead divulgue des informations techniques compl\u00e9mentaires qui proviendraient directement de sources chez NVIDIA. Premi\u00e8re donn\u00e9e et non des moindres : les cartes Ampere utiliseraient une interface PCIe 4.0 x16.<\/p>\n\n\n\n<figure class=\"wp-block-gallery aligncenter columns-3 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\"><ul class=\"blocks-gallery-grid\"><li class=\"blocks-gallery-item\"><figure><img alt=\"Image 1 : Une RTX 3080 Ti avec une bande passante m\u00e9moire de 863 Go\/s et une puissance de 21 TLFOPS ?\" decoding=\"async\" width=\"1024\" height=\"539\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-1024x539.jpg\" alt=\"\" data-id=\"576900\" data-full-url=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere.jpg\" data-link=\"https:\/\/www.tomshardware.fr\/?attachment_id=576900\" class=\"wp-image-576900\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-1024x539.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-300x158.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-150x79.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-200x105.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-250x132.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-350x184.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-400x210.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-450x237.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-500x263.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-550x289.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-600x316.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-640x337.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-710x374.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere-755x397.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere.jpg 1220w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img alt=\"Image 2 : Une RTX 3080 Ti avec une bande passante m\u00e9moire de 863 Go\/s et une puissance de 21 TLFOPS ?\" decoding=\"async\" width=\"1024\" height=\"535\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-1024x535.jpg\" alt=\"\" data-id=\"576899\" data-full-url=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1.jpg\" data-link=\"https:\/\/www.tomshardware.fr\/?attachment_id=576899\" class=\"wp-image-576899\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-1024x535.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-300x157.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-150x78.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-200x104.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-250x131.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-350x183.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-400x209.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-450x235.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-500x261.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-550x287.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-600x313.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-640x334.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-710x371.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1-755x394.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere1.jpg 1233w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img alt=\"Image 3 : Une RTX 3080 Ti avec une bande passante m\u00e9moire de 863 Go\/s et une puissance de 21 TLFOPS ?\" decoding=\"async\" width=\"1024\" height=\"510\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-1024x510.jpg\" alt=\"\" data-id=\"576898\" data-full-url=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2.jpg\" data-link=\"https:\/\/www.tomshardware.fr\/?attachment_id=576898\" class=\"wp-image-576898\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-1024x510.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-300x150.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-150x75.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-200x100.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-250x125.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-350x174.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-400x199.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-450x224.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-500x249.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-550x274.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-600x299.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-640x319.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-710x354.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2-755x376.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere2.jpg 1238w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img alt=\"Image 4 : Une RTX 3080 Ti avec une bande passante m\u00e9moire de 863 Go\/s et une puissance de 21 TLFOPS ?\" decoding=\"async\" width=\"1024\" height=\"478\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-1024x478.jpg\" alt=\"\" data-id=\"576897\" data-full-url=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3.jpg\" data-link=\"https:\/\/www.tomshardware.fr\/?attachment_id=576897\" class=\"wp-image-576897\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-1024x478.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-300x140.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-150x70.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-200x93.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-250x117.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-350x164.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-400x187.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-450x210.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-500x234.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-550x257.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-600x280.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-640x299.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-710x332.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3-755x353.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere3.jpg 1207w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><li class=\"blocks-gallery-item\"><figure><img alt=\"Image 5 : Une RTX 3080 Ti avec une bande passante m\u00e9moire de 863 Go\/s et une puissance de 21 TLFOPS ?\" decoding=\"async\" width=\"1024\" height=\"555\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-1024x555.jpg\" alt=\"\" data-id=\"576896\" data-full-url=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4.jpg\" data-link=\"https:\/\/www.tomshardware.fr\/?attachment_id=576896\" class=\"wp-image-576896\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-1024x555.jpg 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-300x162.jpg 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-150x81.jpg 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-200x108.jpg 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-250x135.jpg 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-350x190.jpg 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-400x217.jpg 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-450x244.jpg 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-500x271.jpg 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-550x298.jpg 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-600x325.jpg 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-640x347.jpg 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-710x385.jpg 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4-755x409.jpg 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2020\/05\/ampere4.jpg 1117w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/li><\/ul><\/figure>\n\n\n\n<p>En ce qui concerne les GPU, on retrouve au sommet de la hi\u00e9rarchie un GA102, successeur du TU102, et un GA104, successeur du TU104. N\u00e9anmoins, NVIDIA aurait introduit un GPU entre les deux, le GA103. Le GA102 embarquerait 5376 c\u0153urs CUDA. En outre, gr\u00e2ce au 7 nm, la fr\u00e9quence GPU atteindrait 2,2 GHz et m\u00eame 2,5 GHz pour les GPU GA103 et GA104. La RTX 3080 Ti b\u00e9n\u00e9ficierait d\u2019une vitesse m\u00e9moire GDDR6 de 18 Gbit\/s. En supposant que le bus soit toujours de 384 bits, cela donne une bande passante m\u00e9moire de 863 Go\/s. Une hausse de 40 % par rapport aux 616 Go\/s de la RTX 2080 Ti. Quant aux performances de calcul FP32 de la RTX 3080 Ti, elles d\u00e9passeraient les 21 TFLOPS.<\/p>\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\"><a href=\"https:\/\/www.tomshardware.fr\/la-rx-5950-xt-aurait-5120-processeurs-de-flux-pour-une-puissance-de-175-tflops\/\"><strong>La RX 5950 XT aurait 5120 processeurs de flux, pour une puissance de 17,5 TFLOPS<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Du 7 nm EUV ou DUV en fonction des GPU<\/h2>\n\n\n\n<p>Pour en finir avec la GeForce RTX 3080 Ti, sachez que le mod\u00e8le FE b\u00e9n\u00e9ficierait de plusieurs changements, \u00e0 commencer par une solution de refroidissement \u00e0 triple ventilateurs, l\u00e0 o\u00f9 la s\u00e9rie RTX 2080 Ti FE se limite \u00e0 deux. La carte n\u00e9cessiterait deux connecteurs d\u2019alimentation \u00e0 8 broches. Sa connectique d\u2019affichage comprendrait trois DisplayPort, un HDMI et un VirtualLink USB-C.<\/p>\n\n\n\n<p>De mani\u00e8re g\u00e9n\u00e9rale, pour Ampere, les c\u0153urs RT auraient une vitesse de calcul jusqu&#8217;\u00e0 quatre fois plus rapide que Turing. Quant aux c\u0153urs CUDA, le nombre d&#8217;IPC serait 10 % plus \u00e9lev\u00e9. Enfin, le nombre de c\u0153urs Tensor pr\u00e9sents sur chaque GPU serait \u00e9galement augment\u00e9. Moore&#8217;s Law is Dead mentionne aussi une technologie DLSS 3.0 <em>&#8220;bien meilleure&#8221;<\/em> que <a href=\"https:\/\/www.tomshardware.fr\/video-nvidia-presente-le-dlss-2-0\/\">le DLSS 2.0<\/a>.<\/p>\n\n\n\n<p>On termine avec des pr\u00e9cisions sur la gravure en 7 nm. Les GPU haut de gamme GA102 et GA103 profiteraient d\u2019une gravure en 7 nm EUV. Les GPU moins performants se contenteraient d\u2019une gravure en 7 nm DUV.<\/p>\n\n\n\n<p>Bref, on aura peut-\u00eatre des r\u00e9ponses dans quelques heures, puisque pour ses GPU Ampere, NVIDIA nous a donn\u00e9 rendez-vous le 14 mai \u00e0 15 heures sur YouTube.<\/p>\n\n\n\n<p class=\"has-background has-very-light-gray-background-color\"><a href=\"https:\/\/www.tomshardware.fr\/msi-devoile-une-rtx-2080-ti-gaming-z-trio-avec-de-la-memoire-a-16-gbit-s\/\"><strong>MSI d\u00e9voile une RTX 2080 Ti Gaming Z Trio avec de la m\u00e9moire \u00e0 16 Gbit\/s<\/strong><\/a><\/p>\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Plein d\u2019informations \u00e0 propos des GPU GA102, GA103 et GA104 des prochaines cartes Ampere de NVIDIA.<\/p>","protected":false},"author":87,"featured_media":575906,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ep_exclude_from_search":false,"footnotes":""},"categories":[487,4072],"tags":[538],"hubs":[],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_source":"","hide_sidebar":false,"hide_advertising":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>Une RTX 3080 Ti avec une bande passante m\u00e9moire de 863 Go\/s et une puissance de 21 TLFOPS ?<\/title>\n<meta name=\"description\" content=\"Plein d\u2019informations \u00e0 propos des GPU GA102, GA103 et GA104 des prochaines cartes Ampere de NVIDIA.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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