Difference between DDR & DDR2 RAM

[Techmastro]

Hello guys,
Can anyone tell me the difference between DDR & DDR2 ram.

[vegeta_killer]

hi techn~o
DDR-double direction ram they operate under 266,333,400 MHz frequency
DDR2 work under 533,600+ MHz of frequency

remember there actual working frequec\ncy is different approx half of above

[Nemesis]

Lol vegeta_killer, you got it kinda wrong there mate.

DDR-->Double Data Rate

Here are some links to explain the difference between the two:

http://support.intel.com/support/mot.../CS-012038.htm
http://www.overclockercafe.com/Articles/DDR_vs_DDR2/
http://www.digit-life.com/articles2/...ddr2-rmma.html

[expertno.1]

see this

http://en.wikipedia.org/wiki/DDR2

[Techmastro]

Thanks guys