<<
Infineon says SGRAM, I thought this card uses DDR ? Is there DDR SGRAM ? >>
Yes, though it's been used very infrequently after the GF1 era.
<<
Also which card do you think oc better ? Samsung or Infineon memory ? >>
My experience has been reasonably positive overclocking Infineon RAM, whereas I've had limited success with Samsung RAM post V3/TNT2 era. Then again, SGRAM tends not to o/c as well as conventional SDRAM... still I'd place my bets on the card with Infineon RAM to o/c better.