Dual interface cards generally cost approximately twice as much to produce as a chip card. While high volume production helps to keep manufacturing costs down, the added cost was a consideration ...

And anything using AGP or PCIe is no “VGA card” to me, but a random graphics card. A true VGA card is an Tseng ET-4000 in an 486 PC, for example. Or an Trident 8900 in a 386..