Cyberpunk 2077 seems to ignore SMT and mostly utilise physical CPU cores on AMD, but all logical cores on Intel

Open the EXE with HXD (Hex Editor).

Look for

75 30 33 C9 B8 01 00 00 00 0F A2 8B C8 C1 F9 08

change to

74 30 33 C9 B8 01 00 00 00 0F A2 8B C8 C1 F9 08

give it a try hopefully helps you guys, i also fixed GPU usage by uninstalling GPU drivers with DDU and installing from website and not installing geforce experience also updated windows 10.

Yes, there's already one thread about it here:

https://www.gog.com/forum/cyberpunk_2077/cp2077s_exe_dectects_amd_and_lowers_performance_hex_edit_patch_helps_a_lot