Is ddr5 better than ddr4?

Basic difference is the performance. For example, DDR3 RAM can transfer data faster than a DDR2 RAM(twice the speed) and it operates at a lower voltage than DDR2, hence saving battery life of laptops. Presently, DDR5 RAM is non-existing, it's only there for GPU's dedicated memory. read more

DDR4 is currently limited to Intel's X99 platform and Extreme processors, which are more expensive, and not much better for gaming, than the Core i5s and i7s we're accustomed to. DDR4 is still much more expensive than DDR3, but it also hits higher clock speeds. read more