Which is better Sdram or DDR RAM?

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Tags

1. #access
2. #synchronous
3. #kinds
4. #optimized
5. #sdram
6. #computers
7. #clock
8. #microprocessor
9. #dynamic
10. #circuits
11. #synchronized
12. #speed
13. #memory
14. #generic
15. #integrated
16. #random
17. #various