We already knew the Radeon RX 6700 XT would come with 12GB GDDR6 memory but ASRock also lists a regular Radeon RX 6700 model with 6GB memory. Furthermore, there's also the first sighting of the Radeon RX 6600 XT series. According to the EEC database entries, these models will get 12GB video memory.
By far the most interesting part of this leak is the RX 6600 XT model, which hasn’t appeared in any rumor yet. This model would allegedly offer 12GB memory, so just as much as RX 6700 XT. This would suggest that RX 6600 XT would also feature Navi 22 GPU with a 192-bit memory bus.