The AMD TDP number are much closer to real world figures compared to Intel which is pretty much an imaginary number that is only valid at its base clock.
Just a word of caution. Although this is generally true at the moment, AMD's definition of TDP has nothing to do with electrical power or heat output. It's just a marketing number that happens to come close to electrical power. Here's a very good source if you want details: https://www.gamersnexus.net/guides/3525-amd-ryzen-tdp-explai...