Next-gen Nvidia GPUs could come with blisteringly fast 24Gbps GDDR6X memory

pcgamer.com:

The next generation of graphics cards could feature GDDR6X memory that runs at 24Gbps. Memory manufacturer Micron has said that its new 16Gb GDDR6X memory chips «have unprecedented headroom» of up to 24Gbps, though we've only seen these max out at 21Gbps on the brand new Nvidia GeForce RTX 3090 Ti. 

Compare that to the 14/16Gbps GDDR6 memory that is in use across many GPUs today and you're looking at some absurdly rapid memory in this latest iteration of GDDR6X. And where else will that be put to good use than in the coming generation of graphics cards out of Nvidia, known as Lovelace or Ada.

It's possible we'll see these 16Gb high-performance GDDR6X chips make their way into Nvidia's next-generation Lovelace generation cards, seeing as they're not being run at their full potential today. Micron has said it has a «performance roadmap» in place to reach the touted 24Gbps.

I would suspect that this would be kept aside exclusively for high-end Lovelace GPUs. Cheaper, more widely available memory chips (from other vendors, such as SK Hynix and Samsung) are still likely be favoured for the high-volume cards lower down the price-to-performance stack.

It's also likely that Nvidia will be the only GPU vendor to utilise GDDR6X. Micron and Nvidia tend to work together closely on these faster memory specifications—having also once worked on GDDR5X that would find its way into Nvidia's high-end Pascal graphics cards. That doesn't entirely discount AMD, or even Intel, from using these chips with future high-end GPUs, but history would suggest it will remain an Nvidia exclusive in the gaming GPU space.

As for non-gaming GPUs, these tend to rely on differing memory technologies, such as HBM2E.

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