The Samsung 970 EVO Plus and 980 PRO are two of the most popular solid-state drives (SSDs) in the market today. The main difference between these two is that the 980 PRO is faster than the 970 EVO Plus. It has a faster writing speed, reading speed, input/output operations per second (IOPS), and Random Read-Write IOPS. That being said, the 980 PRO is also more expensive than the 970 EVO Plus.