After the 13900K delid project, I sort of just started forgetting about fussing over thermal paste application (or really what type of paste to use. Personally, 10c delta is 100% fine and normal in my experience and I'm not sure a whole lot can be done about a stock chip since the solder is pretty much not going to change its internal contact with the underside of the IHS no matter how much repasting one does.
Click to expand.Those numbers look great too I'll be able to fine-tune deltas a great deal once I delid.