I don't know if this is good or just ok, the first one i did i didn't know i had XMP off so this one is with it on. Not much of a improvement.
*snip*
Yes, it looks about right.
Have a look at this page. Your multi-core result is a bit higher. (The scores are detailed from the 4th table onwards.) https://www.cpu-monkey.com/en/cpu-intel_core_i5_6600-523