Why Name DDR SDRAM PC1600 & PC2100?

GustySoul

Senior member
Jan 4, 2001
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This is kind of a silly question, but I just wanted to see if anyone knew or had any
thoughts...

Why is the new DDR SDRAM referred to in terms of bandwidth instead of frequency? That is, why is 266MHz DDR called PC2100 (2.1 GB/s) and 200MHz DDR PC1600 (1.6 GB/s) instead of just calling it PC266 and PC200 like normal SDR SDRAM? Maybe they didn't want people to think that the RAM actually ran at 266 and 200, but don't you think calling it PC2100 is even more confusing?

obispo21
 

ElFenix

Elite Member
Super Moderator
Mar 20, 2000
102,393
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they probably should have specified it by bandwidth instead of by MHz when they started, since MHz is only one variable that makes up bandwidth. so 800MHz rdram would be pc 1600 rdram. more truth, that way, i think.
 

Czar

Lifer
Oct 9, 1999
28,510
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Because Rambus basicly stole the PC600, PC700 and PC800 names, these names were not approved by the people who make the name standard. When makers of DDR (NOT RAMBUS) came to these standar people they decided to change the standard from mhz speed to bandwith, because now mhz speed doesnt matter like before.