This is an important point concerning Effect Sizes: "I don't care if the results are significantly different, if the difference between the two samples is so sm

This is an important point concerning Effect Sizes: "I don't care if the results are significantly different, if the difference between the two samples is so small". People do get too wrapped up in statistical significance and forget about practical significance. However, the relative difference (4.9%) is the relevant metric to be looking at as noted by "ezl" in a comment.