{"id":586214,"date":"2020-07-27T12:45:06","date_gmt":"2020-07-27T10:45:06","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=586214"},"modified":"2023-06-22T17:44:58","modified_gmt":"2023-06-22T15:44:58","slug":"la-carte-nvidia-ampere-a100-pulverise-le-record-doctanebench","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/la-carte-nvidia-ampere-a100-pulverise-le-record-doctanebench\/","title":{"rendered":"La carte NVIDIA Ampere A100 pulv\u00e9rise le record Octanebench"},"content":{"rendered":"\n

En mai dernier, NVIDIA a d\u00e9voil\u00e9 sa carte Ampere A100<\/a>. Grav\u00e9e en 7 nm FinFET par TSMC et sous architecture Ampere, celle-ci embarque un GPU GA100, 6912 c\u0153urs CUDA et 432 c\u0153urs Tensor. Elle s\u2019appuie sur 40 Go de m\u00e9moire HBM2E sur un bus de 5120 bits, ce qui donne une bande passante de 1555 Go\/s. La carte comptabilise 54 milliards de transistors sur sa surface de 826 mm\u00b2. Jusqu\u2019ici, on n\u2019avait pas id\u00e9e des performances d\u2019un tel engin. C\u2019est d\u00e9sormais le cas, gr\u00e2ce \u00e0 un premier r\u00e9sultat sur Octanebench.<\/p>\n\n\n\n

\"Image<\/a><\/figure><\/div>\n\n\n\n

La Tesla A100 marque 446 points et signe ainsi le nouveau record sur ce benchmark. Elle am\u00e9liore le pr\u00e9c\u00e9dent, \u00e9tabli par la Titan V, de 11,2 % ; ce dernier \u00e9tait de 401 points. Notez que le RTX est d\u00e9sactiv\u00e9.<\/p>\n\n\n\n

Nvidia A100, le GPU Ampere se d\u00e9cline au format PCIe 4.0<\/a><\/strong><\/p>\n\n\n\n

Une g\u00e9n\u00e9ration Ampere environ 40 % plus puissante que Turing ?<\/h2>\n\n\n\n

La premi\u00e8re carte grand public \u00e0 figurer dans le classement est la GeForce RTX 2080 Ti. Situ\u00e9e \u00e0 la 14e place, elle obtient 302 points.<\/p>\n\n\n\n

\"Image<\/a><\/figure><\/div>\n\n\n\n

Dans son Tweet, Jules Urbach<\/a>, l\u2019individu qui a d\u00e9couvert ce r\u00e9sultat, table sur des cartes Ampere jusqu\u2019\u00e0 43 % plus v\u00e9loces que les cartes Turing. Une valeur proche de celle avanc\u00e9e lors d\u2019une pr\u00e9c\u00e9dente fuite mentionnant une RTX 3080 Ti 40 % plus performante que la RTX 2080 Ti. Restons n\u00e9anmoins prudents, puisque la Tesla A100 est une carte on\u00e9reuse destin\u00e9e aux centres de donn\u00e9es. Par cons\u00e9quent, ses performances ne pr\u00e9figurent pas forc\u00e9ment celles des GeForce Ampere.<\/p>\n\n\n\n

Enfin, comme vous l\u2019avez sans doute remarqu\u00e9, aucune carte AMD ne figure dans OctaneBench. En effet, le benchmark n\u00e9cessite des c\u0153urs CUDA, propres aux cartes NVIDIA.<\/p>\n\n\n\n

Rappelons que les cartes Ampere pour le grand public pourraient arriver d\u00e8s septembre prochain<\/a>. R\u00e9cemment, on a d\u00e9couvert qu\u2019elles n\u00e9cessiteraient un in\u00e9dit connecteur d\u2019alimentation 12 broches<\/a>.<\/p>\n\n\n\n

\"Image<\/a><\/figure><\/div>\n\n\n\n

Source : VideoCardz<\/p>\n","protected":false},"excerpt":{"rendered":"

La carte sous architecture Ampere surclasse la Titan V de 11,2\u00a0%.<\/p>","protected":false},"author":87,"featured_media":586220,"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":"\nLa carte NVIDIA Ampere A100 pulv\u00e9rise le record Octanebench<\/title>\n<meta name=\"description\" content=\"La carte sous architecture Ampere surclasse la Titan V de 11,2\u00a0%.\" \/>\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\/la-carte-nvidia-ampere-a100-pulverise-le-record-doctanebench\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta 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