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AMD's 3D Infinity Cache could be its secret weapon in its fight against Nvidia

AMD could be set to introduce its 3D V-Cache technology to its Infinity Cache architecture in the next-gen RDNA 3 GPUs expected sometime ...

AMD could be set to introduce its 3D V-Cache technology to its Infinity Cache architecture in the next-gen RDNA 3 GPUs expected sometime next year, and it could give Nvidia some serious heartburn.

First unveiled during AMD's Computex 2021 keynote back in June, 3D chiplet technology is AMD's latest architecture innovation, which utilizes vertical space on a silicon die to fit more component electronics into the same horizontal dimensions. 

3D V-Cache, or vertical cache, is the company's first known application of the tech, which it has already implemented on a Ryzen 9 5950X processor prototype to improve gameplay performance (which is demonstrated during the June keynote).

By stacking cache vertically, as TweakTown notes, a processor can have access to significantly more cache memory which can dramatically improve performance, so it would be an obvious step to implement it in the company's next-generation GPU architecture, RDNA 3.

That appears to be the plan, according to Twitter leaker Greymon55, who cryptically tweeted out "3D IFC" in the early morning hours of November 8. Granted, a two-word tweet isn't gospel, but it's almost certainly on point. AMD's Big Navi GPUs help power some of the best graphics cards on the market right now, but adding 3D V-Cache to mix would be a very big deal.  


Analysis: of course 3D Infinity Cache is coming to RDNA 3. Why wouldn't it?

Infinity Cache made a bit of a splash when AMD introduced it with Big Navi, since it allows for improved memory bandwidth without having to rely on a more power-hungry memory 512-bit bus, which would be double the existing 256-bit bus.

Infinity cache is capable of boosting effective memory bandwidth to be somewhat competitive with Nvidia's larger bus capacity with its higher-end RTX cards like the 320-bit bus in the RTX 3080 and the 384-bit bus in the RTX 3090.

Combining this technology with a 3D V-Cache architecture could make a much more dramatic difference. Having a dramatically expanded cache for the GPU could do more than neutralize the wider bus in an Nvidia card. 

If an expanded 3D V-Cache utilized the same performance enhancements of AMD's Infinity Cache, then you would be talking about substantially faster data access with fewer page faults and far fewer fetch cycles to VRAM. 

Having a thinner bus isn't a problem if you never really need to use it, and if an RDNA 3 GPU can keep fetching from a significantly expanded V-Cache while an Nvidia card has to fetch from VRAM much more often, it could be a game changing performance boost for AMD's next-gen graphics processors.



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Trendly News | #ListenNow #Everyday #100ShortNews #TopTrendings #PopularNews #Reviews #TrendlyNews: AMD's 3D Infinity Cache could be its secret weapon in its fight against Nvidia
AMD's 3D Infinity Cache could be its secret weapon in its fight against Nvidia
Trendly News | #ListenNow #Everyday #100ShortNews #TopTrendings #PopularNews #Reviews #TrendlyNews
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