1. I prefer the value and convenience of the 6-quart smart change box and the recycling opportunities it provides.
2. I dislike the color green that Quakerstate uses on their bottles. I find it garish and unpleasant.
Otherwise they are both high quality synthetic motor oils from well known and established companies, and I believe the meet the same or similar enough specs. Your engine won’t know the difference and that leaves completely trivial points like which brand/logo/color you prefer.