AMD Big Navi could have a killer feature to battle Nvidia RTX 3080

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AMD Big Navi could accept a killer feature to battle Nvidia RTX 3080

(Paradigm credit: AMD)

Information technology might sound like something out of a low-fi sci-fi story, but Infinity Cache could be the key to AMD Large Navi really challenging the Nvidia GeForce RTX 3080.

Regular tech tipster momomo_us spotted a trademark for Infinity Enshroud, which comes a few weeks ahead of the October 28 scheduled reveal of Big Navi and the residue of the Radeon RX 6000 series graphics cards. From that we could infer that Infinity Cache will come to the new Radeon graphics cards.

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But what the heck is Infinity Cache? Well nosotros don't really know, every bit the trademark simply says it will apply to graphics cards, as well every bit processors memory, storage, connectors, and a whole suite of other computer hardware.

Yet, nosotros can speculate here. And that's in part thanks to a little help from our colleagues over at Tom'southward Hardware, who noted that Infinity Cache could be a way for GPU cores to share cache memory - small-scale pools of temporary storage that allows processors to quickly gather the data they need for a given task - thus increasing the amount of L1 and L2 cache memory the cores take access to.

Large pools of cache retentivity, which sit down close to processing units, could mean a GPU would need to make fewer trips to the larger chapters video retentivity on a graphics card. That's because the more cache the greater chance of a 'cache striking,' whereby the data a core is after is readily bachelor in the temporary memory; a 'cache miss' is when that data isn't in-memory and needs to exist retrieved from other storage. As such, a larger and shared cache for its cores should permit a GPU to carry out tasks faster.

AMD has done something roughly similar before with the Infinity Fabric of its server-class EPYC processors, where retentivity is shared and given tighter communication between CPUs and GPUs.

With this arroyo, Infinity Cache could meet AMD counter balance the 256-bit memory interface omnibus Large Navi is expected to come with. Comparatively, the RTX 3080 has a 320-fleck memory passenger vehicle that delivers a memory bandwidth of 760 GB/south. We don't know the memory bandwidth of Big Navi, but given its smaller retentiveness bus, nosotros doubt it'll be as high as that of the RTX 3080.

But more than cache memory would circumvent the slower retentiveness coach, as theoretically - and nosotros stress this is all based on speculation - the GPU cores would need to make fewer trips to the VRAM on the Big Navi graphics card. That could give it the edge information technology needs to compete with the RTX 3080.

We'll find out more than in a matter of weeks. Just and so far Large Navi and the rest of the Radeon RX 6000 graphics cards are shaping up to be proper Nvidia RTX 3000-series competitors. That's an exciting prospect to whatever gaming PC builders looking to put together a new machine this fall.

Roland Moore-Colyer is U.One thousand. Editor at Tom'due south Guide with a focus on news, features and opinion articles. He often writes about gaming, phones, laptops and other bits of hardware; he'south also got an interest in cars. When not at his desk Roland can exist establish wandering around London, frequently with a look of curiosity on his confront.

Source: https://www.tomsguide.com/news/amd-big-navi-could-have-a-killer-feature-to-battle-nvidia-rtx-3080

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