Over the life of the PS5, low and midrange GPU memory has been somewhat stagnant, as well as VRAM/$.
If the amount of memory does not match any of the options, the question will resolve to the closest amount.
If the amount of memory is the midpoint of any two options, the question will resolve to the option with the lower amount (e.g., if the PS6 releases with 22 GB the question will resolve to the named outcome.
If there are multiple launch models, this question will apply to the base model.