So those early renders which made AM5 look much thicker weren't accurate.https://www.techpowerup.com/285653/amd-socket-am5-to-retain-cooler-compatibility-with-am4
Well this will be a welcome feature, if old coolers could just be used on AM5.
Maybe LGA with it's flipped chip allow more Z height for the CPU anyhow? And besides it looks like that one layer of 3D cache makes no difference to chip's height anyhow.