{"id":750540,"date":"2022-11-16T18:01:16","date_gmt":"2022-11-16T17:01:16","guid":{"rendered":"https:\/\/www.tomshardware.fr\/?p=750540"},"modified":"2023-07-08T00:49:31","modified_gmt":"2023-07-07T22:49:31","slug":"qualcomm-devoile-son-snapdragon-8-gen-2-plus-performant-plus-efficace-plus-dia","status":"publish","type":"post","link":"https:\/\/www.tomshardware.fr\/qualcomm-devoile-son-snapdragon-8-gen-2-plus-performant-plus-efficace-plus-dia\/","title":{"rendered":"Qualcomm d\u00e9voile son Snapdragon 8 Gen 2 : plus performant, plus efficace, plus d&#8217;IA"},"content":{"rendered":"\n<figure class=\"wp-block-image size-large\"><img alt=\"Image 1 : Qualcomm d\u00e9voile son Snapdragon 8 Gen 2 : plus performant, plus efficace, plus d&#039;IA\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-1024x768.png\" alt=\"\" class=\"wp-image-750646\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-1024x768.png 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-300x225.png 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-150x112.png 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-200x150.png 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-250x187.png 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-350x262.png 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-400x300.png 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-450x337.png 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-500x375.png 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-550x412.png 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-600x450.png 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-640x480.png 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-710x532.png 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-755x566.png 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39-1320x990.png 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-39.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u00a9Galaxie Media<\/figcaption><\/figure>\n\n\n\n<p>L&#8217;an dernier \u00e0 la m\u00eame \u00e9poque, Qualcomm d\u00e9voilait son <a href=\"https:\/\/www.tomshardware.fr\/qualcomm-detaille-son-snapdragon-8-gen-1\/\">Snapdragon 8 Gen 1<\/a>, un SoC destin\u00e9 aux smartphones haut de gamme int\u00e9grant tout ce que le constructeur savait alors faire de mieux. <a href=\"https:\/\/www.tomshardware.fr\/snapdragon-8-gen1-qualcomm-quitte-samsung-pour-tsmc\/\">Apr\u00e8s une version &#8220;+&#8221; quelques mois plus tard<\/a>, c&#8217;est aujourd&#8217;hui le Snapdragon 8 Gen 2 qui est pr\u00e9sent\u00e9 par Qualcomm \u00e0 l&#8217;occasion de son Snapdragon Summit. Et qui dit nouvelle g\u00e9n\u00e9ration dit plus de performances, plus de fonctionnalit\u00e9s et meilleure efficacit\u00e9 \u00e9nerg\u00e9tique.<\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#fafafa\"><strong><a href=\"https:\/\/www.tomshardware.fr\/qualcomm-presente-les-plateformes-snapdragon-6-gen-1-et-snapdragon-4-gen-1\/\">Qualcomm pr\u00e9sente les plateformes Snapdragon 6 Gen 1 et Snapdragon 4 Gen 1<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-une-deuxieme-generation-qui-porte-bien-son-nom\">Une deuxi\u00e8me g\u00e9n\u00e9ration qui porte bien son nom<\/h2>\n\n\n\n<p>Globalement, ce Snapdragon 8 Gen 2 se place comme une \u00e9volution du pr\u00e9c\u00e9dent mod\u00e8le plut\u00f4t que comme une r\u00e9volution. Cela ne veut toutefois pas dire que les am\u00e9liorations apport\u00e9es au SoC sont insignifiantes, loin de l\u00e0. Ainsi, si l&#8217;on trouve toujours un CPU Kryo 64-bit avec huit coeurs, un GPU Adreno, un DSP Hexagon, un NPU, une partie connectivit\u00e9 tr\u00e8s fournie ou encore un coprocesseur d&#8217;image Spectra, tous ces \u00e9l\u00e9ments ont \u00e9t\u00e9 am\u00e9lior\u00e9s sur cette nouvelle g\u00e9n\u00e9ration, et l&#8217;intelligence artificielle se retrouve dans chaque recoin du SoC. Qualcomm confirme \u00e9galement son rapprochement avec TSMC puisque c&#8217;est ce fondeur qui se charge de la gravure en 4 nm (N4) du Snapdragon 8 Gen 2.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img alt=\"Image 2 : Qualcomm d\u00e9voile son Snapdragon 8 Gen 2 : plus performant, plus efficace, plus d&#039;IA\" decoding=\"async\" width=\"1024\" height=\"811\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-1024x811.png\" alt=\"\" class=\"wp-image-750636\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-1024x811.png 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-300x238.png 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-150x119.png 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-200x158.png 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-250x198.png 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-350x277.png 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-400x317.png 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-450x356.png 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-500x396.png 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-550x436.png 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-600x475.png 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-640x507.png 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-710x562.png 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35-755x598.png 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-35.png 1101w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u00a9Qualcomm<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong>A lire aussi, les derni\u00e8res actualit\u00e9s en rapport avec Qualcomm et ses Snapdragon :<\/strong><\/p>\n\n\n\n    <ul>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/le-oneplus-nord-4-futur-roi-du-milieu-de-gamme-avec-son-snapdragon-7-gen-3\/\">Le OnePlus Nord 4, futur roi du milieu de gamme avec son Snapdragon 7+ Gen 3 ?<\/a><\/li>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/snapdragon-x-qualcomm-mentirait-il-sur-les-performances-de-ses-processeurs\/\">Snapdragon X : Qualcomm mentirait-il sur les performances de ses processeurs ? [MAJ]<\/a><\/li>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/le-snapdragon-x-elite-ne-sera-pas-seul-qualcomm-diversifie-son-offre-centree-sur-lia\/\">Le Snapdragon X Elite ne sera pas seul, Qualcomm diversifie son offre centr\u00e9e sur l&#8217;IA<\/a><\/li>\n                    <li><a href=\"https:\/\/www.tomshardware.fr\/les-nouveaux-snapdragon-x-sont-imminents-qualcomm-donne-rendez-vous\/\">Les nouveaux Snapdragon X sont imminents, Qualcomm donne rendez-vous<\/a><\/li>\n            <\/ul>\n\n<\/div><\/div>\n\n\n\n<p>C\u00f4t\u00e9 CPU, si le nombre de coeurs reste identique, leurs caract\u00e9ristiques \u00e9voluent. Le coeur &#8220;Prime&#8221; passe ainsi d&#8217;un Cortex-X2 sur le Snapdragon 8+ Gen 1 \u00e0 un Cortex-X3 personnalis\u00e9, cadenc\u00e9 \u00e0 3,2 GHz au maximum (3,1872 GHz plus exactement). La fr\u00e9quence maximale des coeurs Performance et Efficient ne bouge pas (respectivement 2,8 GHz et 2 GHz), mais l&#8217;un des coeurs Efficient laisse sa place \u00e0 un coeur Performance sur cette nouvelle g\u00e9n\u00e9ration. 8 Mo de cache L3 sont enfin partag\u00e9s entre tous les coeurs. Au final, cela permet \u00e0 Qualcomm d&#8217;annoncer une hausse de 35% des performances et une am\u00e9lioration de 40% de l&#8217;efficacit\u00e9 \u00e9nerg\u00e9tique.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img alt=\"Image 3 : Qualcomm d\u00e9voile son Snapdragon 8 Gen 2 : plus performant, plus efficace, plus d&#039;IA\" decoding=\"async\" width=\"1024\" height=\"574\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-1024x574.png\" alt=\"\" class=\"wp-image-750642\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-1024x574.png 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-300x168.png 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-150x84.png 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-200x112.png 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-250x140.png 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-350x196.png 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-400x224.png 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-450x252.png 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-500x280.png 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-550x308.png 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-600x336.png 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-640x359.png 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-710x398.png 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-755x423.png 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37-1320x740.png 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-37.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u00a9Qualcomm<\/figcaption><\/figure>\n\n\n\n<p>La partie GPU n&#8217;est pas d\u00e9taill\u00e9e, mais l&#8217;Adreno int\u00e9gr\u00e9 au Snapdragon 8 Gen 2 offre, toujours selon Qualcomm, une augmentation de 25% des performances et une r\u00e9duction de 45% de la consommation \u00e9nerg\u00e9tique. Le support des API Vulkan 1.3, OpenGL ES 3.2 et OpenCL 2.0 FP est de la partie, tout comme celui du HDR Vivid, du HDR10\/HDR10+ ou du Dolby Vision. L&#8217;Adreno est \u00e9galement capable de d\u00e9coder mat\u00e9riellement les flux vid\u00e9o H.265, <a href=\"https:\/\/www.tomshardware.fr\/codec-video-av1-libre-open-source-et-30-plus-efficace-que-hevc-et-vp9\/\">AV1<\/a> et VP9. Enfin, ce GPU prend en charge l&#8217;acc\u00e9l\u00e9ration mat\u00e9rielle du ray-tracing avec des performances a priori convenables, ce qui laisse esp\u00e9rer un nouveau bond qualitatif des jeux sur mobile.<\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#fafafa\"><strong><a href=\"https:\/\/www.tomshardware.fr\/qualcomm-presente-ses-soc-pour-pc-portables-les-snapdragon-8cx-gen-3-et-7c-gen-3\/\">Qualcomm pr\u00e9sente ses SoC pour PC portables : les Snapdragon 8cx Gen 3 et 7c+ Gen 3<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-snapdragon-smart-l-intelligence-artificielle-est-partout\">Snapdragon Smart : l\u2019intelligence artificielle est partout<\/h2>\n\n\n\n<p>C\u00f4t\u00e9 intelligence artificielle, le processeur Hexagon est capable d&#8217;acc\u00e9l\u00e9rer de nombreuses t\u00e2ches d&#8217;inf\u00e9rence gr\u00e2ce entre autres au support de l&#8217;INT4, en plus des autres types de donn\u00e9es (INT8, INT16, FP16). Qualcomm introduit \u00e9galement le concept de Micro Tile Inferencing, permettant d\u2019acc\u00e9l\u00e9rer et d&#8217;optimiser les t\u00e2ches d&#8217;inf\u00e9rence en r\u00e9duisant la taille des blocs de donn\u00e9es \u00e0 traiter. Selon le constructeur, la hausse des performances peut atteindre 4,35 fois celles de la g\u00e9n\u00e9ration pr\u00e9c\u00e9dente, tout en am\u00e9liorant de 60% l&#8217;efficacit\u00e9 \u00e9nerg\u00e9tique.<\/p>\n\n\n\n<p>La partie connectivit\u00e9 n&#8217;est pas oubli\u00e9e : compatible Bluetooth 5.3, le Snapdragon 8 Gen 2 int\u00e8gre un <a href=\"https:\/\/www.tomshardware.fr\/mwc-qualcomm-le-modem-snapdragon-x70-dope-la-5g-avec-de-lintelligence-artificielle\/\">modem 5G X70<\/a> prenant en charge le Dual-SIM Dual-Active (DSDA) en modes 5G+5G ou 5G+4G, mais aussi le WiFi 7 HBS (<em>High Band Simultaneous<\/em>) gr\u00e2ce au module FastConnect 7800. Avec un d\u00e9bit th\u00e9orique de 5,8 Gbps, cette nouvelle norme WiFi est sur le papier plus de deux fois rapide que le WiFi 6.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img alt=\"Image 4 : Qualcomm d\u00e9voile son Snapdragon 8 Gen 2 : plus performant, plus efficace, plus d&#039;IA\" decoding=\"async\" width=\"1024\" height=\"577\" src=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-1024x577.png\" alt=\"\" class=\"wp-image-750643\" srcset=\"https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-1024x577.png 1024w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-300x169.png 300w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-150x84.png 150w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-200x113.png 200w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-250x141.png 250w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-350x197.png 350w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-400x225.png 400w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-450x253.png 450w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-500x282.png 500w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-550x310.png 550w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-600x338.png 600w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-640x360.png 640w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-710x400.png 710w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-755x425.png 755w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38-1320x743.png 1320w, https:\/\/www.tomshardware.fr\/content\/uploads\/sites\/3\/2022\/11\/image-38.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">\u00a9Qualcomm<\/figcaption><\/figure>\n\n\n\n<p>Enfin, l&#8217;ISP Spectra d\u00e9di\u00e9 au traitement photo et vid\u00e9o profite lui aussi d&#8217;am\u00e9liorations, particuli\u00e8rement au niveau de l&#8217;assistance par IA pour la reconnaissance de sc\u00e8nes, d&#8217;images ou d&#8217;objets, offrant de nombreuses possibilit\u00e9s en mati\u00e8re de reconnaissance faciale, d&#8217;am\u00e9liorations de la qualit\u00e9 des images ou des vid\u00e9os ou encore de post-processing, l&#8217;ensemble \u00e9tant regroup\u00e9 sous l\u2019appellation &#8220;<em>Snapdragon Sight<\/em>&#8220;. L&#8217;ISP est capable de capturer des s\u00e9quences vid\u00e9o en 8K HDR et de g\u00e9rer des photos d&#8217;une taille pouvant atteindre 200 MPixels. Qualcomm annonce d&#8217;ailleurs que le Spectra a \u00e9t\u00e9 optimis\u00e9 pour le capteur ISOCELL HP3 de Samsung que l&#8217;on retrouvera d\u00e9but 2023 dans le Galaxy S23 Ultra, en plus d&#8217;une collaboration avec Sony.<\/p>\n\n\n\n<p>Les premiers mod\u00e8les de smartphones \u00e9quip\u00e9s d&#8217;un Snapdragon 8 gen 2 devraient arriver sur le march\u00e9 d&#8217;ici la fin de l&#8217;ann\u00e9e, Qualcomm ayant annonc\u00e9 de nombreux partenariats avec les diff\u00e9rents constructeurs du secteur (Asus, Honor, Vivo, Motorola, ZTE, Meizu, Sony, Sharp, Xiaomi, Oppo, Redmi&#8230;).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Qualcomm a pr\u00e9sent\u00e9 son nouveau Snapdragon 8 Gen 2, avec du ray-tracing et de l\u2019intelligence artificielle \u00e0 tous les niveaux.<\/p>","protected":false},"author":9,"featured_media":750647,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"ep_exclude_from_search":false,"footnotes":""},"categories":[487,4071,4104],"tags":[4115],"hubs":[],"acf":{"display_mode":"medium-img","post_show_excerpt":true,"post_show_in_home":true,"post_source":"","hide_sidebar":false,"hide_advertising":false,"post_show_summary":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>Qualcomm d\u00e9voile son Snapdragon 8 Gen 2 : plus performant, plus efficace, plus d&#039;IA<\/title>\n<meta name=\"description\" content=\"Qualcomm a pr\u00e9sent\u00e9 son nouveau Snapdragon 8 Gen 2, avec du ray-tracing et de l\u2019intelligence artificielle \u00e0 tous les niveaux.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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