"TDP" is not a figure resulting from a standardized process. Each manufacturer has a different (and sometimes changing) definition of it. E.g. for Intel it is a

"TDP" is not a figure resulting from a standardized process. Each manufacturer has a different (and sometimes changing) definition of it. E.g. for Intel it is a supposed power consumption given a certain load at base clock. Meanwhile with AMD it basically encodes the standard thermal parameters (Tamb, Tj(max), Rthjc).