AMD’s AM5 socket and Ryzen 7000 processors retain compatibility with CPU coolers designed for Socket AM4. This presents a problem, because the LGA-style socket is much slimmer than the PGA style used on Socket AM4, so using the same coolers meant building Socket AM5 CPUs with extremely thick heatspreaders. Despite some insisting that it “shouldn’t”

Source: Hot Hardware – This AMD Ryzen 7950X Mod Lowers Temps By 10C But It’s Not For The Faint Of Heart