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Your question is skewed to favour higher VRAM amounts because of course everyone would "like" as much VRAM as possible on their next GPU.
If a poll is created the question would need to be far more descriptive. Such as how much VRAM do you think enthusiast level Polaris/Pascal GPUs will need to have.
Perhaps a Don could put a poll in this thread.
With all this talk about memory usage on GPUs how much memory would you want your next card to have (4gb, 6gb, 8gb, 12gb, 16gb or 32gb) ?
6 or 8 would be more than enough.
I don't care how much memory it has, it just has to have enough. I don't want to pay extra for a bigger number.