I've looked a lot at that and it seems to be mostly related to packaging rather than performance, as far as I know there are no 'improved' 5090's for sale in any kind of volume, and the ones that they made that I know of (a 64 and a 96 G version) never made it to production for some reason. I'd love for that to happen though.
Hopper and blackwell have a very different security chain so those are out of scope for this approach at least.
But I would suspect China has figured something out given the reports of them buying 5090s in droves and seemingly modifying them.
I've looked a lot at that and it seems to be mostly related to packaging rather than performance, as far as I know there are no 'improved' 5090's for sale in any kind of volume, and the ones that they made that I know of (a 64 and a 96 G version) never made it to production for some reason. I'd love for that to happen though.
Maybe they got hold of the vbios for those higher vram versions similar to the 48gb 4090s?
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