Video: SDRAM vs SGRAM

Video: SDRAM vs SGRAM
What would be the “real world” difference in using SDRAM memory instead of SGRAM on high performance (Nvidia GeForce 2 GTS w/DDR) video card? I find that by going to 64MB memory (on the card) the manuf. goes to SDRAM. Would one be better off sticking with 32MB SGRAM instead?