Rumour - Updated | Big Navi GPUs to feature at least 24 GB of HBM2e VRAM, 5,120 shading units and a 2,048 GB/s memory bandwidth
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Styled as "Big Navi", AMD's next-generation GPUs will continue where the RX 5000 series left off in making AMD more competitive against NVIDIA again. Slated to arrive over the summer, RedGamingTech (RGT) claims that these GPUs, also referred to as RDNA 2, will offer up to 50% better performance than current RX 5000 cards. This tallies with an OpenVR benchmark listing posted earlier this year, too.
While AMD is yet to confirm what it will call these new GPUs, there have been hints of them being the RX 5900 series. On the other hand, RGT, citing insider sources, claims that AMD will market RDNA 2 as the RX 6000 series instead. Specific details about these GPUs remain unconfirmed, though.
However, someone now claims to have been sent a slide detailing the config of D32310/15, a GPU that appeared in RRA certifications that went live last week. Tweeting as @CyberCatPunk, the person claims to have been sent this by an unnamed source within SK Hynix. The information contained within the photo is yet to be verified, so we would treat it with caution for the time being. The information is seemingly contained with an FY19 earnings report, which is an odd place for it to be, in our opinion.
Regardless, the slide states that D32310/15 will support 5,120 shading units, 320 TMUs, 96 ROPs and 80 CUs, along with 12 MB of L2 cache. Joining these is 24 GB of HBM2e VRAM, which reportedly operates on a 4,096-bit bus and a bandwidth of 2,048 GB/s. Apparently, the VRAM will be split across four clusters, too.
While we cannot make heads or tails of the information detailed in the photo, it has sparked debate on Twitter. On the one hand, some people have remarked that the information is consistent with what SK Hynix has already reported about its HBM2e. On the other hand, others have dismissed the information out of hand.
Either way, we expect RDNA 2 to shape up nicely against NVIDIA's Ampere architecture. NVIDIA is likely to unveil its next-generation GPUs before AMD will, for reference.
Update - 2020/02/26
SK Hynix has now denounced the leak as fake news. In a short post, the company stated the following:
Regarding recent fake news about SK hynix’s memory specifications and info sheet on AMD’s next generation GPU, on which some media have reported since February 24 (PST), SK hynix hereby announces that the company has not created and distributed such specifications as well as the document asserted to be leaked by an internal source.
We ask you not to distribute or make a false report on this from now on. We can assure you that SK hynix will take every necessary measure against such media, including all available legal actions, to ensure that such wrongful/illegal activities will be stopped immediately and to protect and defend our customers, business partners, and ourselves. For the avoidance of doubt, SK hynix reserves all rights.
Incidentally, the @CyberCatPunk twitter account has been deleted.
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