{"id":206051,"date":"2026-10-21T10:16:00","date_gmt":"2026-10-21T09:16:00","guid":{"rendered":"https:\/\/cms-articles.softonic.io\/fr\/?p=206051"},"modified":"2026-10-21T10:16:09","modified_gmt":"2026-10-21T09:16:09","slug":"groq-prepare-des-lpu-a-dram-3d-la-sram-sur-la-sellette","status":"publish","type":"post","link":"https:\/\/cms-articles.softonic.io\/fr\/groq-prepare-des-lpu-a-dram-3d-la-sram-sur-la-sellette\/","title":{"rendered":"Groq pr\u00e9pare des LPU \u00e0 DRAM 3D: la SRAM sur la sellette"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Au moment o\u00f9 nous \u00e9crivons ces lignes, les <strong>prochaines LPU<\/strong> de Groq devraient, d\u2019apr\u00e8s ce que l\u2019entreprise a communiqu\u00e9, laisser de c\u00f4t\u00e9 la SRAM au profit d\u2019une DRAM empil\u00e9e en 3D. Dans le m\u00eame temps, Groq assure rester ind\u00e9pendante malgr\u00e9 l\u2019<a href=\"https:\/\/fr.softonic.com\/articles\/nvidia-pourrait-adopter-foveros-dintel-des-2028-sans-lacher-tsmc\" rel=\"noopener\">accord de licence technologique non exclusif<\/a> sign\u00e9 avec NVIDIA et annonc\u00e9 fin 2025. En pratique, le signal est assez clair: Groq para\u00eet d\u00e9sormais miser davantage sur la capacit\u00e9 m\u00e9moire, afin de faire tourner des mod\u00e8les toujours plus lourds, plut\u00f4t que de pousser uniquement la logique de latence minimale.<\/p>\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/6068991a-96d2-11e6-905e-00163ed833e7\/3479057846\/techpowerup-gpu-z-icon.png\" alt=\"GPU-Z\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">GPU-Z<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/techpowerup-gpu-z.fr.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\">T\u00e9l\u00e9charger<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        \r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/techpowerup-gpu-z.fr.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Groq n\u2019a pas \u00e9t\u00e9 rachet\u00e9e par NVIDIA. Malgr\u00e9 ce que certaines lectures ont pu sugg\u00e9rer, Groq et NVIDIA parlent bien d\u2019un accord de licence technologique non exclusif annonc\u00e9 fin 2025. Le fait que plusieurs personnalit\u00e9s importantes de Groq, y compris son fondateur, aient rejoint NVIDIA dans la foul\u00e9e a entretenu la confusion. Mais Groq, de son c\u00f4t\u00e9, continue d\u2019exister comme <strong><a href=\"https:\/\/fr.softonic.com\/articles\/nvidia-discuterait-du-rachat-de-reflection-trois-options-sur-la-table\" rel=\"noopener\">soci\u00e9t\u00e9 ind\u00e9pendante<\/a><\/strong>.<\/p>\n\n<p class=\"wp-block-paragraph\">Jusqu\u2019\u00e0 pr\u00e9sent, l\u2019argument cl\u00e9 de Groq tenait \u00e0 un choix m\u00e9moire particuli\u00e8rement offensif. La g\u00e9n\u00e9ration actuelle de ses LPU est pr\u00e9sent\u00e9e par l\u2019entreprise avec <strong>500 Mo de SRAM<\/strong> par puce, environ 150 To\/s de bande passante et autour de 1,20 PFLOP\/s en FP8 par puce.<\/p>\n\n<p class=\"wp-block-paragraph\">Si l\u2019on passe \u00e0 l\u2019\u00e9chelle d\u2019un rack LPX de <strong>256 puces<\/strong>, on arriverait, en se basant sur les chiffres avanc\u00e9s par Groq, \u00e0 128 Go de SRAM et 640 To\/s de bande passante interpuces. C\u2019est l\u00e0 que la SRAM changeait vraiment la donne: une m\u00e9moire extr\u00eamement rapide, mais dont la capacit\u00e9 reste difficile \u00e0 faire monter.<\/p>\n\n<p class=\"wp-block-paragraph\">Le compromis, au fond, est assez simple. La SRAM offre une bande passante \u00e9norme et une latence tr\u00e8s basse, mais elle co\u00fbte cher en surface et ne permet pas d\u2019embarquer de gros volumes de m\u00e9moire. La <strong>DRAM<\/strong>, elle, est moins rapide, mais elle peut monter beaucoup plus haut en capacit\u00e9.<\/p>\n\n<p class=\"wp-block-paragraph\">Et c\u2019est bien l\u00e0 que \u00e7a coince. Les mod\u00e8les grossissent plus vite que ce type d\u2019architecture ne peut les absorber confortablement. En passant \u00e0 de la <strong>DRAM empil\u00e9e<\/strong> en 3D, Groq prend donc un virage assez logique: moins de vitesse absolue qu\u2019avec la SRAM, mais beaucoup plus d\u2019espace pour stocker les poids des mod\u00e8les et leur contexte.<\/p>\n<div class=\"sc-card-program\">\r\n  <div class=\"sc-card-program__body\">\r\n    <div class=\"sc-card-program__row clearfix\">\r\n      <div class=\"sc-card-program__col-logo\">\r\n        <img decoding=\"async\" class=\"sc-card-program__img\" src=\"https:\/\/images.sftcdn.net\/images\/t_app-icon-s\/p\/a3fbd9dc-96d0-11e6-88e1-00163ed833e7\/162386336\/cpu-z-icon.webp\" alt=\"CPU-Z\" width=\"100px\" height=\"100px\">\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-title\">\r\n        <span class=\"sc-card-program__title\">CPU-Z<\/span>\r\n        <a class=\"sc-card-program__button sc-card-program-internal\" href=\"https:\/\/cpu-z.fr.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\">T\u00e9l\u00e9charger<\/a>\r\n      <\/div>\r\n      <div class=\"sc-card-program__col-rating\">\r\n        \r\n      <\/div>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <span class=\"sc-card-program__description\"><\/span>\r\n    <\/div>\r\n    <div class=\"sc-card-program__row\">\r\n      <img decoding=\"async\" class=\"sc-card-program__bigpic\" src=\"\">\r\n    <\/div>\r\n    <a class=\"sc-card-program__link track-link sc-card-program-internal\" href=\"https:\/\/cpu-z.fr.softonic.com\/\" target=\"_self\" rel=\"noopener noreferrer\"><\/a>\r\n  <\/div>\r\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Sur le plan technique, Groq viserait, d\u2019apr\u00e8s les \u00e9l\u00e9ments qu\u2019elle a rendus publics, une m\u00e9moire organis\u00e9e en couches verticales, reli\u00e9es par des <strong>TSV<\/strong> (through-silicon vias). On retrouve le principe g\u00e9n\u00e9ral des empilements de type HBM: plus de densit\u00e9, moins d\u2019encombrement, et potentiellement une meilleure efficacit\u00e9 \u00e9nerg\u00e9tique qu\u2019une DRAM classique plac\u00e9e plus loin du processeur.<\/p>\n\n<p class=\"wp-block-paragraph\">Au fond, le vrai pari n\u2019est peut-\u00eatre d\u00e9j\u00e0 plus la vitesse brute \u00e0 elle seule. Il tient peut-\u00eatre davantage \u00e0 la <strong>capacit\u00e9<\/strong> de faire tourner des mod\u00e8les plus volumineux sans empiler, \u00e0 chaque fois, de nouvelles contraintes d\u2019infrastructure.<\/p>\n\n<p class=\"wp-block-paragraph\">Pour l\u2019instant, beaucoup de zones d\u2019ombre restent ouvertes. On ne sait pas encore exactement comment cette DRAM empil\u00e9e sera int\u00e9gr\u00e9e aux futures LPU de Groq, ni \u00e0 quel moment ces puces arriveront r\u00e9ellement en production. <strong>Pudrence<\/strong>, donc.<\/p>\n\n<p class=\"wp-block-paragraph\">Tout l\u2019enjeu sera de garder une partie des avantages de <strong>bande passante<\/strong> qui ont fait la r\u00e9putation de Groq, tout en augmentant fortement la m\u00e9moire disponible. Nous vous tiendrons inform\u00e9s.<\/p>\n\n<p class=\"wp-block-paragraph\">L\u2019autre changement important touche au <strong>positionnement<\/strong> commercial de l\u2019entreprise. Groq ne se pr\u00e9sente plus seulement comme un concepteur de puces. De plus en plus, la soci\u00e9t\u00e9 se place aussi comme fournisseur d\u2019infrastructure cloud via GroqCloud. D\u2019apr\u00e8s Groq et NVIDIA, Groq \u00e9tend ses capacit\u00e9s de centres de donn\u00e9es et pr\u00e9voit \u00e9galement d\u2019int\u00e9grer du mat\u00e9riel NVIDIA dans ses propres installations.<\/p>\n\n<p class=\"wp-block-paragraph\">L\u2019accord de licence avec NVIDIA, \u00e9valu\u00e9 \u00e0 environ <strong>20 milliards<\/strong> selon les deux entreprises, lui a apport\u00e9 plusieurs choses \u00e0 la fois: des moyens, une forme de validation industrielle, et un acc\u00e8s plus direct \u00e0 l\u2019\u00e9cosyst\u00e8me du g\u00e9ant des GPU. NVIDIA pr\u00e9sente d\u2019ailleurs Groq comme l\u2019un de ses partenaires cloud.<\/p>\n\n<p class=\"wp-block-paragraph\">Pour les clients de GroqCloud, la question se pose maintenant de fa\u00e7on tr\u00e8s concr\u00e8te: ce changement de m\u00e9moire se traduira-t-il par de meilleurs co\u00fbts, par la prise en charge de mod\u00e8les plus gros, ou par une baisse sensible des <strong>performances<\/strong>? \u00c0 ce stade, Groq n\u2019a pas encore livr\u00e9 toutes les r\u00e9ponses.<\/p>","protected":false},"excerpt":{"rendered":"<p>Au moment o\u00f9 nous \u00e9crivons ces lignes, les prochaines LPU de Groq devraient, d\u2019apr\u00e8s ce que l\u2019entreprise a communiqu\u00e9, laisser de c\u00f4t\u00e9 la SRAM au profit d\u2019une DRAM empil\u00e9e en 3D. Dans le m\u00eame temps, Groq assure rester ind\u00e9pendante malgr\u00e9 l\u2019accord de licence technologique non exclusif sign\u00e9 avec NVIDIA et annonc\u00e9 fin 2025. En pratique, &hellip; <a href=\"https:\/\/cms-articles.softonic.io\/fr\/groq-prepare-des-lpu-a-dram-3d-la-sram-sur-la-sellette\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Groq pr\u00e9pare des LPU \u00e0 DRAM 3D: la SRAM sur la sellette&#8221;<\/span><\/a><\/p>\n","protected":false},"author":9351,"featured_media":206050,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","wpcf-pageviews":0},"categories":[16761],"tags":[],"usertag":[],"vertical":[],"content-category":[17507],"class_list":["post-206051","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","content-category-ia"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"Au moment o\u00f9 nous \u00e9crivons ces lignes, les prochaines LPU de Groq devraient, d\u2019apr\u00e8s ce que l\u2019entreprise a communiqu\u00e9, laisser de c\u00f4t\u00e9 la SRAM au profit d\u2019une DRAM empil\u00e9e en 3D. Dans le m\u00eame temps, Groq assure rester ind\u00e9pendante malgr\u00e9 l\u2019accord de licence technologique non exclusif sign\u00e9 avec NVIDIA et annonc\u00e9 fin 2025. En pratique,\" \/>\n\t<meta name=\"robots\" content=\"noindex, nofollow, max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Emmanuel Bosque\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/cms-articles.softonic.io\/fr\/groq-prepare-des-lpu-a-dram-3d-la-sram-sur-la-sellette\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Softonic French - Just another Softonic Sites site\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"Groq pr\u00e9pare des LPU \u00e0 DRAM 3D: la SRAM sur la sellette - Softonic French\" \/>\n\t\t<meta property=\"og:description\" content=\"Au moment o\u00f9 nous \u00e9crivons ces lignes, les prochaines LPU de Groq devraient, d\u2019apr\u00e8s ce que l\u2019entreprise a communiqu\u00e9, laisser de c\u00f4t\u00e9 la SRAM au profit d\u2019une DRAM empil\u00e9e en 3D. Dans le m\u00eame temps, Groq assure rester ind\u00e9pendante malgr\u00e9 l\u2019accord de licence technologique non exclusif sign\u00e9 avec NVIDIA et annonc\u00e9 fin 2025. En pratique,\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/cms-articles.softonic.io\/fr\/groq-prepare-des-lpu-a-dram-3d-la-sram-sur-la-sellette\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-10-21T09:16:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-10-21T09:16:09+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Groq pr\u00e9pare des LPU \u00e0 DRAM 3D: la SRAM sur la sellette - Softonic French\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Au moment o\u00f9 nous \u00e9crivons ces lignes, les prochaines LPU de Groq devraient, d\u2019apr\u00e8s ce que l\u2019entreprise a communiqu\u00e9, laisser de c\u00f4t\u00e9 la SRAM au profit d\u2019une DRAM empil\u00e9e en 3D. Dans le m\u00eame temps, Groq assure rester ind\u00e9pendante malgr\u00e9 l\u2019accord de licence technologique non exclusif sign\u00e9 avec NVIDIA et annonc\u00e9 fin 2025. 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