this post was submitted on 15 Nov 2023
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Gaming applications didn't take advantage of the 24GB when it debuted on the 3090 and they still don't do for the 4090 now. That's not what drives these decisions.
The bus width needed to be what it needed to be. That left 2 possibilities - 12 GB and 24 GB. The former was way low for 4090 to work in its target applications. 24 it became.
This is exactly what drives these decisions.
What do you think drives them?
Of course not, memory bandwidth matters much more. We always say this, and now people finally see proof with 4060ti