At the time Morrowind came out, the GF4ti4600 and Radeon 8500 were the highend cards, and you could play Morrowind at a playable (16FPS or higher avererage) framerate on minimal settings on a GF2 or GF4MX, as long as you didn't walk into a town. Since, in general, towns are safe places to be, I would assume it was overall playable.