Updated 9/6/19 1,180 word post, approx. 3-4 min read. Let’s look at a quick chart to start. I’ve highlighted the differences for you. 🙂 Comparison Chart Check out Shure’s Spec Sheet of the PG58! Check out Shure’s Spec Sheet of the SM58! Hello there friend and Welcome aboard!! Before we get into the Shure PG58