So many strange occurrences it’s hard to keep up. 
I think it’s the local cache vs re-loading from the cloud that makes the difference. Especially just looking around. Before I could hardly pan left or right. Now it’s like I’d expect it to be. And certainly the smoothness makes it more immersive.
The end result seems to be that my GPU% is staying nice and high when it needs to be digging in.
Wasn’t doing that before