No, Snakeeyes, only the GeForce4 MX used a lesser programming-side featureset than its higher-end siblings.
The GeForce2 MX had the exact same featureset, and so did the Vanta and M64 (not that there was much to support in the latter...).
"Physics is like sex. Sure, it may give some practical results, but that's not why we do it." - Richard P. Feynman