That's all about the peculiarities of the cards.
Overclocking
Albatron Medusa GeForce4 Ti 4680 Turbo 250/550 -> 320/710 MHz, excellent overclocking!
Chaintech A-GX21 GeForce4 Ti 4200-8x SE 250/513 -> 320/640 MHz, quite good!
Gainward GeForce4 Powerpack Ultra/650-8X XP Golden Sample 270/540 -> 325/655 MHz, excellent result, Ti 4600 is almost dead for overclockers :-)
Inno3D Tornado GeForce4 Ti 4200-8x 250/513 -> 310/650 MHz, not bad results of the chip and superb scores of the memory.
Prolink PixelView GeForce4 Ti 4200-8x 250/570 -> 310/660 MHz, not bad results of the chip and superb scores of the memory..
Sparkle GeForce4 Ti 4200-8x 250/513 -> 320/650 MHz, good overclocking as well!
http://www.digit-life.com/articles [...] 200-7.html
si j'avait pas eu ma 9800pro je pense bien que je te l'aurai acheter