Intel been binning these chips since the beginning. I read some post on here about some dude who thought overclocking was like stealing copies of games. Well here are some 80286 chips
Pre-Binned Intel Rocket Lake-S CPUs Are Now Available, Core i5-11600K Starts at 250 USD | ThinkComputers.org
Processor Binning - With Example - realme Community
Pre-Binned Rocket Lake CPUs Go On Sale: 5.1 GHz Core i9-11900K at $879 | Tom's Hardware