sd ram vs. ddr ram


Old 06-15-02, 07:56 AM
Thread Starter
Join Date: Jan 2001
Location: canada
Posts: 118
sd ram vs. ddr ram

My current system has sd ram. The system I'm buying supports ddr ram. Is this ram faster or better than sd ram? Will a system that has ddr ram support sd ram?
Sponsored Links
Old 06-15-02, 01:12 PM
Join Date: May 2001
Location: Carol Stream, IL
Posts: 338
DDR RAM is faster, more expensive, and of course non-backward compatibility.
Old 06-15-02, 03:50 PM
Visiting Guest
Posts: n/a
Both of the memory type you mentioned are SDRAM. Just think of DDR as SDRAM with a supercharger built in.

SDRAM stands for Synchronous Dynamic random access memory. It operates in sync with the CPU clock to avoid the delays caused by asynchronous operation.

DDR SDRAM (double data rate SDRAM) is synchronous dynamic RAM (SDRAM) that can theoretically improve memory clock speed to at least 200 MHz*. It activates output on both the rising and falling edge of the system clock rather than on just the rising edge(standard sdram), potentially doubling output.

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Thread Tools
Search this Thread
Display Modes