this post was submitted on 15 Nov 2023
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I honestly don't know how well a 24gb 5090 will move, no matter how fast it is. I feel like the gamers will go for stuff like 4080 super, 4070 ti super, next gen AMD. For productivity users, there's 3090, 4090, A6000.
Maybe I'm wrong and the card doesn't need to be very good to sell because GPUs are so burning hot right now.
GDDR7 memory chips will be in production with either 2 or 3 GB sizes, which means 36GB of VRAM on 384-bit bus could be a possibility for next gen.
36gb of vram on the 384-bit bus would be fantastic, yet I'm somehow sceptical when Nvidia sells the 48gb A6000 for a $6800 MSRP. Even without benefits like nvlink, a 36gb card ought to cannibalise Nvidia's productivity cards quite a lot. I don't think Nvidia would actually be TOTALLY opposed to this if they could produce enough 5090's to not sell out of them since it would help entrench Nvidia's CUDA moat, but I don't think Nvidia is going to be capable of pulling that off.
It's not impossible we see 36gb 5090 and 72gb a7000 or whatever. I'm just not holding my breath especially when AMD doesn't seem to have much in the pipeline to even compete with a 24gb model.