Likely, the improvement over 4000 cards is minimal, and they are marketing towards owners of 3000 (and older) cards to upgrade. That said, I'm curious to know

Likely, the improvement over 4000 cards is minimal, and they are marketing towards owners of 3000 (and older) cards to upgrade. That said, I'm curious to know how they stack up against a 4090, and if these new cards can melt wires and burn down a house as easily.