It runs at Ti4400 speeds, thats all that matters. nVidia discontinued the Ti4400 and afterwards, all new 8-layer PCB, BGA RAM cards that filled the Ti4400 niche (between the Ti4200 and Ti4600) were designated as Ti4200 "Turbos". So if you called the Ti4800SE an 8X Ti4400 or 8X Ti4200 Turbo, you'd be correct.
I wouldn't go as far as to call you a moron for buying that card, but unless you really wanted the bundled games, the money would be better spent on a 9500pro/9700 non-pro in that price range, or on one of the Ti4200's (that OC well also) for 1/2 the price.
Chiz