I personally dont use Mobil 1 but figured I'd take a look into the differences myself just incase I ever consider it for an oil. this is what i came across and hope it can be of some help to you
. Im sure theres a few oil gurus on here that can probably chime in and give some technical information.
Mobil™ USA | Car Engine Oils | Car Engine Oil FAQ's
"7. Why are you introducing Mobil Super Synthetic?
Mobil Super Synthetic is designed to provide protection for consumers considering synthetics. More mainstream automakers are requiring synthetics to meet their warranty specifications, and Mobil Super Synthetic is a great choice. We also offer Mobil 1™, our advanced full-synthetic family of products. Mobil 1 outperforms Mobil Super Synthetic and provides our ultimate in protection and performance. See our Product Comparison Chart for more details on the differences between these products. >>back to top
8. What’s the difference between Mobil 1 and Mobil Super Synthetic?
Mobil 1 is part of our ultimate line of advanced full synthetics. It uses the latest in additive and base oil technologies that provide superior protection, and outperforms Mobil Super Synthetic. It meets both GM’s stringent dexos1* and Europe’s ACEA performance standards. More car builders recommend Mobil 1 by name than any other motor oil brand in the world. More NASCAR® drivers use Mobil 1 than any other motor oil brands. Mobil 1 has provided exceptional performance throughout its nearly 40-year history and stands alone as The World’s Leading Synthetic Motor Oil Brand.
Mobil Super Synthetic is a full synthetic that uses synthetic-base oils. It outperforms our conventional and synthetic blend products. It meets or exceeds the latest industry requirements, GF-5 /API SN. The product offers performance consistent with many synthetics in the market."