Thank god I am NOT THE ONLY ONE! I bought the VisionTEk Ti4600 card and installed it in my Dell P3 1ghz, 512MB PC700 RDRAM. The card has a higher maximum framerate, but damn if it doesn't run slow as hell sometimes. It gets very choppy.
I also play Tribes2 and expected to see a huge increase in FPS over my Geforce2 64MB card (dell factory installed). I was INCREDIBLY disappointed when I saw my results. Whenever someone would come near me in Tribes2 my FPS would drop DRAMATICALLY. I mean to like 15-20fps. Now if I was off by myself I could get 80fps or so and thats nice, but this was inconsistent and your are rarely alone in a game like Tribes2. I had tried everything. I tried different drivers, I tried NVMAX, I tried the Geforce Tweak Utility (which I highly recommend as the best Gx tweaker util), coolbits, tweak guides on the net, etc. I tried different drivers, nothing helped! Eventually I got sick of all this and just stuck my Geforce 2 back in. I now get the average 40-60fps in Tribes2, but it is CONSISTENT! It never drops below 40. EVER.
Interestingly enough, with the G4 installed I'd get 7100-7300 points on 3d Mark 2001 SE, but crappy FPS in games like Tribes2 (very inconsistent). However, with the G2/64 back in I get good FPS and its consistent, but only half the score in 3D Mark 2001SE (3300 or so).
Needless to say I am ABSOLUTELY SICK with this card and very angry I bought it. IMHO the problem is one of two things:
1.) A driver issue (Nvidia's drivers aren't stable/optimized for the newer G4 Ti 4600 cards yet)
-- OR --
2.) A CPU Issue, ie my CPU can't send the vid card data as fast as it can process it, thus the choppiness/inconsistent FPS in Tribes2. (This is backed up by the 3D Mark 2001 SE database scores. The higher the CPU, the dramatically higer the total score, even with the same vid cards across the board)
Let me know your thoughts on this....I'm currently building an Althon XP2000+ box with an Abit KR7A-133RAID mobo and 1 gig PC2700 Corsair XMS memory. I'm going to slap the G4 card in there to see if it is in fact ISSUE #2 that is the problem.
Damn I hope I didn't just waste $400
Anyone think it could be just a bad card??? I've seen 3 or 4 other people reporting this same choppy/inconsistent/low FPS with this card....