Ryzen 3600 does 4.3Ghz all cores @ 1.125v stable in load it boosts to 4.3 but otherwrwise normal behavior (works a lot cooler with undervoltage) : r/overclocking
Review: Ryzen 5 5500 and 5600 can breathe new life into older AMD PCs | Ars Technica
Ryzen 5 3600 vs. Ryzen 5 5600: Upgrade or Not? | TechSpot