{"id":1071481,"date":"2026-01-22T07:21:56","date_gmt":"2026-01-22T07:21:56","guid":{"rendered":"http:\/\/rNjBk55JRBXrEJCJ53WqaK"},"modified":"2026-01-22T07:21:56","modified_gmt":"2026-01-22T07:21:56","slug":"sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs","status":"publish","type":"post","link":"https:\/\/arcader.org\/news\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\/","title":{"rendered":"Sony says the GPU in the PS5 Pro is mostly very old tech but previews the ray-tracing upgrades from future RDNA 4 graphics for PCs"},"content":{"rendered":"<article>\n<div class=\"youtube-video\" data-nosnippet >\n<div class=\"video-aspect-box\"><iframe data-lazy-priority=\"low\" data-lazy-src=\"https:\/\/www.youtube.com\/embed\/lXMwXJsMfIQ\" allowfullscreen><\/iframe><\/div>\n<\/div>\n<p>The GPU in the hot new PlayStation 5 Pro is mostly pretty old tech. But it does preview the ray-tracing upgrades that are coming with <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.pcgamer.com\/hardware\/graphics-cards\/if-the-rumour-that-amds-rdna-4-gpu-is-45-percent-faster-in-ray-tracing-than-a-7900-xtx-and-on-par-with-an-rtx-4080-super-in-raster-is-true-im-buying-six-of-em\/\" target=\"_blank\">AMD&#8217;s new RDNA 4 graphics chips<\/a> for PC gamers.<\/p>\n<p>That&#8217;s the low down from <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.youtube.com\/watch?v=lXMwXJsMfIQ\" target=\"_blank\">the same PS5 Pro deep dive that also revealed Sony went its own way with AI hardware in the console<\/a> rather than using AMD technology.<\/p>\n<p>Sony&#8217;s lead architect for its PlayStation consoles, Mark Cerny, has explained that the GPU in the <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.pcgamer.com\/hardware\/the-ps5-pro-gives-console-players-the-guilt-free-60-fps-that-pc-players-have-enjoyed-for-years\/\" target=\"_blank\">PS5 Pro<\/a> is still RDNA 2-based at its core, just like the original PS5. The reason for that is straightforward, compatibility.<\/p>\n<p>By largely carrying over <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.pcgamer.com\/amd-radeon-rx-6900-xt-review-benchmarks\/\" target=\"_blank\">RDNA 2 technology<\/a> for the shaders in the PS5 Pro&#8217;s GPU, game developers can compile a single code path and have it run on both the PS5 and the PS5 Pro.<\/p>\n<p>However, the PS5 Pro is not identical. &#8220;The base technology for PS5 Pro is somewhere between RDNA 2 and RDNA 3,&#8221; Cerny says. For starters, while the shaders are RDNA 2, parts of the geometry pipeline are from RDNA 3.<\/p>\n<p>Those geometry pipeline elements are faster but essentially invisible to a game engine. You can use the same code on both consoles, it will simply run better on the PS5 Pro.<\/p>\n<p>However, had Sony gone for, say, the doubled-up floating point math capability from RDNA 3, that would require two code paths to be compiled, one for PS5 and one for PS5 Pro. That wasn&#8217;t a burden Sony wanted to put onto game devs for what is a mid-life refresh rather than a properly new console generation.<\/p>\n<figure class=\"van-image-figure inline-layout\" data-bordeaux-image-check >\n<div class='image-full-width-wrapper'>\n<div class='image-widthsetter' style=\"max-width:1404px;\">\n<p class=\"vanilla-image-block\" style=\"padding-top:52.85%;\"><img loading=\"lazy\" decoding=\"async\" id=\"9HVfcxS98LmHt6DdQasWhh\" name=\"PS5 Pro GPU\" alt=\"PS5 Pro GPU\" src=\"https:\/\/arcader.org\/wp-content\/uploads\/2024\/12\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs.png\" mos=\"\" align=\"middle\" fullscreen=\"\" width=\"1404\" height=\"742\" attribution=\"\" endorsement=\"\" class=\"\"><\/p>\n<\/div>\n<\/div><figcaption itemprop=\"caption description\" class=\" inline-layout\"><span class=\"caption-text\">The PS5 Pro&#8217;s GPU is mostly RDNA 2 tech, but the ray-tracing hardware has been upgraded to &#8220;Future RDNA&#8221; spec which very likely means RDNA 4. <\/span><span class=\"credit\" itemprop=\"copyrightHolder\">(Image credit: Sony)<\/span><\/figcaption><\/figure>\n<p>But from a PC gaming perspective, easily the most intriguing aspect of the PS5 Pro&#8217;s GPU involves ray tracing. Cerny says the upgraded ray-tracing hardware is sourced from a &#8220;future RDNA&#8221; generation.<\/p>\n<p>Cerny is non-specific, but he is clear that this technology is &#8220;showing up first&#8221; in the PS5 Pro and is not currently available in any other AMD chip. Given we&#8217;re expecting <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.pcgamer.com\/hardware\/graphics-cards\/from-the-developers-standpoint-they-love-this-strategyamds-plan-to-merge-its-rdna-and-cdna-gpu-architectures-to-a-unified-system-called-udna\/\" target=\"_blank\">RDNA 4 to be replaced by an architecture-branded CDNA<\/a>, that really only leaves RDNA 4.<\/p>\n<p>Whatever, Cerny goes into some detail regarding the upgrades. You can <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.youtube.com\/watch?v=lXMwXJsMfIQ\" target=\"_blank\">watch the video<\/a> for the full details. But the short version involves doubling up the BVH performance and adding new stack management hardware.<\/p>\n<p>The BVH performance boost gives broad-based improvements in ray-tracing performance, while the new stack management engine particularly helps with complex reflections.<\/p>\n<p>So what impact does that have on performance? &#8220;It&#8217;s difficult to quote an exact speed up because it&#8217;s very dependent on specifics of usage. But we commonly see the calculation of the rays occurring at double or triple the speed of Playstation 5,&#8221; Cerny says.<\/p>\n<p>However, that performance boost includes the simple impact of having a 67% larger and more complex GPU in PS5 Pro versus PS5. Cerny reckons that alone tends to translate into a real-world performance boost of around 45%.<\/p>\n<figure class=\"van-image-figure inline-layout\" data-bordeaux-image-check >\n<div class='image-full-width-wrapper'>\n<div class='image-widthsetter' style=\"max-width:2584px;\">\n<p class=\"vanilla-image-block\" style=\"padding-top:52.48%;\"><img loading=\"lazy\" decoding=\"async\" id=\"VaF4BZq5xqDrKxU2PMBs4P\" name=\"PS5 Pro GPU\" alt=\"PS5 Pro GPU\" src=\"https:\/\/arcader.org\/wp-content\/uploads\/2024\/12\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs-1.png\" mos=\"\" align=\"middle\" fullscreen=\"\" width=\"2584\" height=\"1356\" attribution=\"\" endorsement=\"\" class=\"\"><\/p>\n<\/div>\n<\/div><figcaption itemprop=\"caption description\" class=\" inline-layout\"><span class=\"caption-text\">Sony says the PS5 Pro GPU&#8217;s new stack management engine is particularly helpful for accelerating complex ray-traced refelctions. <\/span><span class=\"credit\" itemprop=\"copyrightHolder\">(Image credit: Sony)<\/span><\/figcaption><\/figure>\n<p>So, bearing in mind Sony is claiming ray tracing is typically around 100% to 200% faster on the PS5 Pro, it&#8217;s clear that the bulk of that improvement is architectural rather than simply a consequence of adding 67% more functional units.<\/p>\n<p>That bodes pretty well for RDNA 4 GPUs. Currently, AMD has comfortably the weakest Ray-tracing performance of the three main GPU vendors for the PC.<\/p>\n<p><a data-analytics-id=\"inline-link\" href=\"https:\/\/www.pcgamer.com\/hardware\/graphics-cards\/intel-arc-b580-review\/\" target=\"_blank\">Intel&#8217;s new B580 GPU<\/a> has pretty decent ray tracing throughput, but it&#8217;s Nvidia that&#8217;s in the lead. Based on the improved ray tracing in the PS5 Pro, we&#8217;d expect AMD to close most if perhaps not all of the gap to Nvidia.<\/p>\n<p>Of course, Nvidia will have its own new GPU architecture arriving early in the new year alongside AMD&#8217;s RDNA 4. <a data-analytics-id=\"inline-link\" href=\"https:\/\/www.pcgamer.com\/uk\/nvidia-blackwell\/\">Known as Blackwell<\/a> and likely to be branded RTX 50 series, it will no doubt bring its own ray tracing boost. Odds are, then, that AMD will remain at a clear disadvantage.<\/p>\n<p>But hopefully, RDNA 4&#8217;s ray tracing will have improved sufficiently to make it more usable than that of existing RDNA 2 and RDNA graphics cards for the PC, where enabling high-quality ray tracing in games like Cyberpunk 2077 can really hammer frame rates. Watch this space&#8230;<\/p>\n<div class=\"product\"><a data-dimension112=\"f7a303f8-6da8-4cfa-851a-e37387809115\" data-action=\"Deal Block\" data-label=\"Best CPU for gaming\" data-dimension48=\"Best CPU for gaming\" target=\"_blank\" rel=\"nofollow\"><\/p>\n<figure class=\"van-image-figure \" >\n<div class='image-full-width-wrapper'>\n<div class='image-widthsetter' style=\"max-width:1920px;\">\n<p class=\"vanilla-image-block\" style=\"padding-top:100.00%;\"><img loading=\"lazy\" decoding=\"async\" id=\"6YnzywGGRfcnNjLz2FRjx9\" name=\"1646306533.jpg\" caption=\"\" alt=\"\" src=\"https:\/\/arcader.org\/wp-content\/uploads\/2024\/12\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs.jpg\" mos=\"\" align=\"middle\" fullscreen=\"\" width=\"1920\" height=\"1920\" attribution=\"\" endorsement=\"\" credit=\"\" class=\"\"><\/p>\n<\/div>\n<\/div>\n<\/figure>\n<p><\/a><\/p>\n<p><strong><br \/><\/strong><a href=\"https:\/\/www.pcgamer.com\/best-cpu-for-gaming\/\" target=\"_blank\" data-dimension112=\"f7a303f8-6da8-4cfa-851a-e37387809115\" data-action=\"Deal Block\" data-label=\"Best CPU for gaming\" data-dimension48=\"Best CPU for gaming\" data-dimension25=\"\"><strong>Best CPU for gaming<\/strong><\/a>: Top chips from Intel and AMD.<br \/><a href=\"https:\/\/www.pcgamer.com\/best-gaming-motherboards\/\" target=\"_blank\"><strong>Best gaming motherboard<\/strong><\/a>: The right boards.<br \/><a href=\"https:\/\/www.pcgamer.com\/the-best-graphics-cards\/\" target=\"_blank\"><strong>Best graphics card<\/strong><\/a>: Your perfect pixel-pusher awaits.<br \/><a href=\"https:\/\/www.pcgamer.com\/best-ssd-for-gaming\/\" target=\"_blank\"><strong>Best SSD for gaming<\/strong><\/a>: Get into the game first.<\/p>\n<\/div>\n<\/article>\n<p><a href=\"https:\/\/www.pcgamer.com\/hardware\/graphics-cards\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\/\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The GPU in the hot new PlayStation 5 Pro is mostly pretty old tech. But it does preview the ray-tracing upgrades that are coming with AMD&#8217;s new RDNA 4 graphics chips for PC gamers. That&#8217;s the low down from the same PS5 Pro deep dive that also revealed Sony went its own way with AI hardware in the console rather than using AMD technology. Sony&#8217;s lead architect for its PlayStation consoles, Mark Cerny, has explained that the GPU in the PS5 Pro is still RDNA 2-based at its core, just like the original PS5. The reason for that is straightforward, compatibility. By largely carrying over RDNA 2 technology for the shaders in the PS5 Pro&#8217;s GPU, game developers can compile a single code path and&hellip;<\/p>\n<p class=\"excerpt-more\"><a class=\"blog-excerpt button\" href=\"https:\/\/arcader.org\/news\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":1,"featured_media":1071482,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[336],"tags":[791,66],"class_list":["post-1071481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pc-gamer","tag-graphics-cards","tag-hardware"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sony says the GPU in the PS5 Pro is mostly very old tech but previews the ray-tracing upgrades from future RDNA 4 graphics for PCs | Arcader News<\/title>\n<meta name=\"description\" content=\"The GPU in the hot new PlayStation 5 Pro is mostly pretty old tech. 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But it does preview the ray-tracing upgrades that are coming with AMD&#039;s new RDNA 4\" \/>\n<meta property=\"og:url\" content=\"https:\/\/arcader.org\/news\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\/\" \/>\n<meta property=\"og:site_name\" content=\"Arcade News\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-22T07:21:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/arcader.org\/wp-content\/uploads\/2020\/11\/cropped-arcader-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"480\" \/>\n\t<meta property=\"og:image:height\" content=\"320\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Arcade News\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Arcade News\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/arcader.org\\\/news\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/arcader.org\\\/news\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\\\/\"},\"author\":{\"name\":\"Arcade News\",\"@id\":\"https:\\\/\\\/arcader.org\\\/news\\\/#\\\/schema\\\/person\\\/8460f5e5076b52fb2369f2f7ce6f2839\"},\"headline\":\"Sony says the GPU in the PS5 Pro is mostly very old tech but previews the ray-tracing upgrades from future RDNA 4 graphics for PCs\",\"datePublished\":\"2026-01-22T07:21:56+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/arcader.org\\\/news\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\\\/\"},\"wordCount\":785,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/arcader.org\\\/news\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/arcader.org\\\/wp-content\\\/uploads\\\/2024\\\/12\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs.png\",\"keywords\":[\"Graphics Cards\",\"hardware\"],\"articleSection\":[\"PC Gamer\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/arcader.org\\\/news\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/arcader.org\\\/news\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\\\/\",\"url\":\"https:\\\/\\\/arcader.org\\\/news\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\\\/\",\"name\":\"Sony says the GPU in the PS5 Pro is mostly very old tech but previews the ray-tracing upgrades from future RDNA 4 graphics for PCs | Arcader News\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/arcader.org\\\/news\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/arcader.org\\\/news\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/arcader.org\\\/news\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/arcader.org\\\/wp-content\\\/uploads\\\/2024\\\/12\\\/sony-says-the-gpu-in-the-ps5-pro-is-mostly-very-old-tech-but-previews-the-ray-tracing-upgrades-from-future-rdna-4-graphics-for-pcs.png\",\"datePublished\":\"2026-01-22T07:21:56+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/arcader.org\\\/news\\\/#\\\/schema\\\/person\\\/8460f5e5076b52fb2369f2f7ce6f2839\"},\"description\":\"The GPU in the hot new PlayStation 5 Pro is mostly pretty old tech. 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