Discussion - RDNA 5 / UDNA (CDNA Next) speculation | AnandTech Forums: Technology, Hardware, Software, and Deals

Menu Install the app Install Home Featured Forums Trending Search forums What's new New posts Latest activity Discussion RDNA 5 / UDNA (CDNA Next) speculation Thread starter marees Start date Dec 26, 2024 Toggle sidebar Toggle sidebar You are using an out of date browser. It may not display this or other websites correctly.You should upgrade or use an alternative browser. marees Platinum Member Apr 28, 2024 2,378 2,976 96 Feel free to speculate adroc_thurston said: no such thing as UDNA. There's RDNA5, and it has 3 parts and no halo. Baby, token market presence with no ambition to take any heads whatsoever. Ergo, they're dead. Click to expand... RDNA 5 potential features 👇 Shared L1 Has Far Reaching Implications Shared L1 Has Far Reaching Implications Global LDS patent Patent available here: https://patents.google.com/patent/US12001334B2 It's a radiating fabric paradigm. Does nearest neighbour searches first, then propagates out to other CUs further out. The patent is old so likely major tweaks since t... docs.google.com Discussion on patents: 👇 https://twitter.com/x/status/2017709585226752344 more discussions 👇 https://twitter.com/x/status/2014337003056169051 Possible configs xbox 50xt AT4 (Medusa Premium SoC/z3 extreme) — seriesS2/PC Handhelds/Steam Machine competitor (24cu/12wgp 128 bit lpddr5x) 70xt AT2 (Magnus SoC) — seriesX2 = 3x seriesS2/AT4 (72cu/36wgp 192 bit gddr7) 95xt AT0 — xcloud = 8x seriesS2/AT4 (192cu/96 wgp 512 bit gddr7) 90xt cut down AT0 = 6x seriesS2/AT4 (144cu/72 wgp 384 bit gddr7) 80xt cut down AT0 = 5x seriesS2/AT4 (120cu/60 wgp 256 bit gddr7) AI 60xt AT3 (Medusa Halo SoC) — DGX spark competitor = 2x AT4 (48cu/24wgp 384bit lpddr6) Summary :— https://www.jonpeddie.com/news/amds-next-generation-gpu-architecture-udna-and-rdna-5/ Last edited: Feb 1, 2026 Reactions: MrMPFR, Tlh97 and RnR_au Saylick Diamond Member Sep 10, 2012 4,170 9,737 136 Rumored roadmap: Emphasis on lack of halo SKU. Reactions: scineram, del42sa, yuri69 and 4 others marees Platinum Member Apr 28, 2024 2,378 2,976 96 Saylick said: Rumored roadmap: View attachment 113792 Emphasis on lack of halo SKU. Click to expand... Thanks got the source (below) I find it very hard to digest that RDNA 5 will launch in 2027 Surely GPUs can't be that hard ??? https://twitter.com/x/status/1833491928739930330 Reactions: Tlh97 adroc_thurston Diamond Member Jul 2, 2023 8,868 11,602 106 marees said: Surely GPUs can't be that hard ??? Click to expand... 8q cadence is pretty standard. Reactions: Tlh97 and inquiss SolidQ Golden Member Jul 13, 2023 1,546 2,551 106 Saylick said: Emphasis on lack of halo SKU. Click to expand... Still don't see nothing about any part just NAVI5 Let's wait in future about HALO happens/not happens Saylick Diamond Member Sep 10, 2012 4,170 9,737 136 SolidQ said: Still don't see nothing about any part just NAVI5 Let's wait in future about HALO happens/not happens Click to expand... There’s no box in the Ultra Enthusiast category for RDNA4 or 5, which, according to the slide, was previously occupied by N21 and N31. Reactions: scineram, yuri69, Tlh97 and 1 other person SolidQ Golden Member Jul 13, 2023 1,546 2,551 106 Saylick said: was previously occupied by N21 and N31. Click to expand... But navi 31 doesn't have Ultra Enthusiast, if 6900 was compete +- with 3090, 7900 not compete with 4090 and we need to know fake/not fake roadmap. Let's wait from CES roadmap adroc_thurston Diamond Member Jul 2, 2023 8,868 11,602 106 SolidQ said: But navi 31 doesn't have Ultra Enthusiast, if 6900 was compete +- with 3090, 7900 not compete with 4090 Click to expand... that's because they've missed. It's the same swimlane. SolidQ Golden Member Jul 13, 2023 1,546 2,551 106 adroc_thurston said: that's because they've missed Click to expand... let's wait new docs. at least if it's just Enthusiast, should compete with RTX 6080, it's fine then, but would be mega fail, if they not beat near 4+ year old 4090 Reactions: Tlh97 and marees adroc_thurston Diamond Member Jul 2, 2023 8,868 11,602 106 SolidQ said: should compete with RTX 6080 Click to expand... nope. SolidQ said: but would be mega fail, if they not beat near 4+ year old 4090 Click to expand... Well yeah. They've surrendered. Just gave up. SolidQ Golden Member Jul 13, 2023 1,546 2,551 106 adroc_thurston said: They've surrendered. Click to expand... That only 30% from XTX, they should do it. Feels like PS6 gonna pretty weak console, if they not gonna beat or queal 4090 with middle Reactions: Tlh97 adroc_thurston Diamond Member Jul 2, 2023 8,868 11,602 106 SolidQ said: Feels like PS6 gonna pretty weak console, if they not gonna beat or queal 4090 with middle Click to expand... well yeah, shrinks ran out. PS5/XSX were lucky to jump onto the "last good node shrink in CMOS history" train cab. SolidQ said: That only 30% from XTX, they should do it Click to expand... maybe? irrelevant. Tup3x Golden Member Dec 31, 2016 1,302 1,438 136 With roadmap like that I honestly don't see them gaining more market share. Halo SoCs are nice and all assuming that you can sell them - there's going to be more competition there... We'll see what happens. Reactions: Gideon, Tlh97 and ToTTenTranz SolidQ Golden Member Jul 13, 2023 1,546 2,551 106 Tup3x said: With roadmap like that I honestly don't see them gaining more market share Click to expand... let's wait official roadmap, i don't trust those "leaked" roadmap. For me this roadmap looks like photoshoped, too much distortion Navi 22 different numbers "2", Navi 44 reading like NaYi 44 Reactions: Tlh97 and marees T ToTTenTranz Senior member Feb 4, 2021 980 1,593 136 All this can change at any time, especially if the AI bubble bursts, ARM chips find a way to run x86 code decently and AMD needs consumer dGPUs to make money again. Never again is such a terrible statement to do in high tech. Reactions: Tlh97 adroc_thurston Diamond Member Jul 2, 2023 8,868 11,602 106 ToTTenTranz said: and AMD needs consumer dGPUs to make money again. Click to expand... They make EPYC. Consumer dGPUs never made a penny for AMD either way. 'cept maybe RDNA2. SolidQ Golden Member Jul 13, 2023 1,546 2,551 106 adroc_thurston said: Consumer dGPUs never made a penny for AMD either way. Click to expand... Rly? What is that? Driven By Radeon. meaning RDNA3 Reactions: lightmanek marees Platinum Member Apr 28, 2024 2,378 2,976 96 adroc_thurston said: 8q cadence is pretty standard. Click to expand... In general, I agree with the 2 year cadence There are 3 reasons, why I am hopeful of a shorter cadence this time: As it is AMD has no 4080 competitor. I find it untenable that there won't be a 4080 / 5070 ti competitor until 2027 There are already 3 products on 3nm: zen 5c server chip, instinct chips, strix halo. Should be easy to do a die shrink from 4nm to 3nm & also create a 5070 ti competitor for enthusiasts Xbox next should be out soon Reactions: Tlh97 adroc_thurston Diamond Member Jul 2, 2023 8,868 11,602 106 SolidQ said: Rly? What is that? Driven By Radeon. meaning RDNA3 Click to expand... Oh yeah, RDNA3 too I guess. marees said: why I am hopeful of a shorter cadence this time Click to expand... Shorter cadence is only for things that make money. I.e. GPGPU. marees said: As it is AMD has no 4080 competitor. I find it untenable that there won't be a 4080 / 5070 ti competitor until 2027 Click to expand... Not AMD's problem. marees said: There are already 3 products on 3nm: zen 5c server chip, instinct chips, strix halo Click to expand... Turin-D yes, MI350X is H2 next year and halo is niche. marees said: Should be easy to do a die shrink from 4nm to 3nm & also create a 5070 ti competitor for enthusiasts Click to expand... You're not getting a shrink either. It's gfx12 straight to gfx13. Pure IP focus, they're ignoring product-level opportunities completely. Only gfx IP itself matters since it goes into APUs. Reactions: scineram T Tigerick Senior member Apr 1, 2022 942 859 106 Preliminary RDNA5 Speculation RDNA3Die SizeVRAMBWRDNA4Die SizeVRAMBWRDNA5 / BlackwellDie SizeVRAM ?BW ?N31529 mm224GB 384-bit GDDR6960 GB/sRDNA5-124GB 256-bit GDDR71152 GB/sRTX 5080377 mm216GB 256-bit GDDR7960 GB/sRTX 608036GB 384-bit GDDR7 ?1440 GB/s ?N32346 mm216GB 256-bit GDDR6620.8 GB/sN48?16GB 256-bit GDDR6640 GB/sRDNA5-218GB 192-bit GDDR7864 GB/sRTX 507012GB 192-bit GDDR7672 GB/sRTX 6070N33204 mm28/16 128-bit GDDR6288 GB/sN44?8GB 128-bit GDDR6320 GB/sRDNA5-312GB 128-bit GDDR7576 GB/sRTX 50608GB 128-bit GDDR7448 GB/sRTX 6060 Based on leaks, we should be expecting three monolithics dies of RDNA5. I am using Micron GDDR7 roadmap to speculate upcoming GDDR7 speed and capacity. I am always amazed by NV's GPU layout and die size especially compared to AMD's N31 chiplet design. It seems RDNA5 finally catch up to Blackwell design albeit two years later. By that time, NV should be launching RTX-6000 series, make you wonder what new features NV going to launch? Based on memory bandwidth, RDNA5-1 should be faster than RTX-5080 (And RTX-4090) provided AMD don't screw up the design... The 3GB memory die should be standard by end of 2026, that's why RDNA5-1 should come with 24GB GDDR7 as standard. That explains slightly higher tier than N48 in the slide above. Again, this is early speculation to jump start the discussion, feel free to provide your idea... Last edited: Dec 26, 2024 Reactions: marees branch_suggestion Senior member Aug 4, 2023 908 1,976 106 Tigerick said: Based on leaks, we should be expecting three monolithics dies of RDNA5. I am using Micron GDDR7 roadmap to speculate upcoming GDDR7 speed and capacity. Click to expand... Probably, but maybe they do something neat with the top part, though nothing that distracts for Instinct. Tigerick said: I am always amazed by NV's GPU layout and die size especially compared to AMD's N31 chiplet design. Click to expand... RDNA3 missed on clocks, the point was to reduce BoM at a modest PPA hit, but the PPA was not as good as hoped. Tigerick said: It seems RDNA5 finally catch up to Blackwell design albeit two years later. By that time, NV should be launching RTX-6000 series, make you wonder what new features NV going to launch? Click to expand... ? Tigerick said: Based on memory bandwidth, RDNA5-1 should be faster than RTX-5080 provided AMD don't screw up the design... Click to expand... Not a problem on N3P Tigerick said: The 3GB memory die should be standard by end of 2026, that's why RDNA5-1 should come with 24GB GDDR7 as standard. That explains slightly higher tier than N48 in the slide above. Click to expand... Depends on if 256-bit is the end result. Tigerick said: Again, this is early speculation to jump start the discussion, feel free to provide your idea... Click to expand... 2 years on debating a <$1k generation in a dead market and a dead profession. Sigh. Win2012R2 Golden Member Dec 5, 2024 1,377 1,398 96 I am going out on a limb here to speculate that RDNA5/UDNA1 will be very disappointing... AMD needs new RADical leadership that will tolerate no failures - big or small... Attachments fifth-element-gary-oldman[1].gif 3 MB · Views: 24 Reactions: lightmanek marees Platinum Member Apr 28, 2024 2,378 2,976 96 Win2012R2 said: I am going out on a limb here to speculate that RDNA5/UDNA1 will be very disappointing... AMD needs new RADical leadership that will tolerate no failures - big or small... Click to expand... I have some hope that xbox next would be based on RDNA 5. So some good features might come from that partnership Win2012R2 Golden Member Dec 5, 2024 1,377 1,398 96 marees said: I have some hope that xbox next would be based on RDNA 5 Click to expand... Xbox is dead - PlayStation won, maybe it's a good thing and Microsoft will finally get serious at getting Windows up to console level when it comes to running games (properly supporting unified memory for PC games ports to avoid multiple copying of same data. Reactions: ToTTenTranz and Kryohi adroc_thurston Diamond Member Jul 2, 2023 8,868 11,602 106 Win2012R2 said: Xbox is dead Click to expand... Nope. But they need to start making more actual games and actually try marketing them. You must log in or register to reply here. 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