Question: how can i tell the difference between ddr2 and ddr3 ram?
Answer: Difference between DDR2 and DDR3. DDR2 and DDR3 are types of RAM, Random Access Memory. DDR RAM offers speed of 1600 MB/s, DDR2 RAM offers speed of 3200 MB/s and DDR3 offers speed of 6400 MB/s. ... DDR3 provides 8 knowledge transfer per cycle.