Question: is ddr3 better than ddr2?
Answer: When it comes to speed, DDR3 is unsurprisingly faster. ... While DDR2 RAM has data transfer rates ranging from 400 to 1,066MT/s, DDR3 smashes this at 800-2,133MT/s. Voltage is another important aspect of RAM generations. DDR2 RAM uses 1.8V, while DDR3 is lower at 1.5V.