Apologies, I do have also have CPU-Z.
Not sure what I should be seeing that indicates if XMP is enabled or not. If it should appear in the "Instructions" section, XMP is not listed by name. Only the following:
MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, EM64T, AES, AVX, AVX2, AVX-VNNI, FMA3...