What are the data transfer rates for DDR, DDR2, DDR3 and DDR4?

Category : Specification / Capacity / Performance

The table is compared speed with peak transfer rate

RAM Type

Speed

Peak Transfer Rate*

DDR

266

2.1 GB/s

333

2.7GB/s

400

3.2 GB/s

DDR2

533

4.27 GB/s

667

5.33 GB/s

800

6.4 GB/s

DDR3

1066

8.5 GB/s

1333

10.6 GB/s

1600

12.8 GB/s

1866

14.9 GB/s

DDR4

2133

17 GB/s

2400

19.2 GB/s

2666

21.3 GB/s

3200

25.6 GB/s

Note:
* The practical data rate is determined by the system's Central Processing Unit and motherboard configuration.





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