WDS120G1G0A vs WDS120G2G0A - 120 GB SSD Difference

I am looking forward to purchasing a 120GB SSd and found 2 models WDS120G1G0A & WDS120G2G0A . But not sure what is the difference between both the items. Can someone help me in finding the difference?

I have the same question!

And I have the same question?

Apparently WDS120G1G0A was 2016 model.
And WDS120G2G0A is 2018 model.

More here: https://ssd.userbenchmark.com/Compare/WD-Green-120GB-2016-vs-WD-Green-120GB-2018/m201586vsm411798