note the difference of 4 vs 5 capacitors on the top right hand side of the card ti4600's always have 4 (and 2 below), while ti4400's always have 5 (and 1 below)
if shopping for "nvidia p83" these resistor count, as well as dual dvi vs dvi/vga is how u can tell which model is what!
Quadro 750 XGL (ti4400)
Quadro 900 XGL dual dvi (ti4600)
The Nvidia GeForce4 Ti has been a great performer, I'll miss it...
I know what you mean! I had a GF4Ti in my 533 (uped to a 1.2ghz) and it had better game play than my G5 2.0 with the 9650. I had to buy a 9800 card to get the same quality and speed of the 4Ti. That GF4Ti was one of the bast cards out!
That card made my Mac scream and play the newest games for over three years!
I tried the ATI 9800 128 MB card in Dual 1.42 FW 800 machine. That card was soooo hot. Head to head the Nvida and ATI were equal. Each had their high and low points, so I kept the Nvidia since it ran so much cooler.
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http://discussions.apple.com/thread/119853?start=0&tstart=0