Do you need a thorough CPU stress test?
Arma 3 is a game, but maybe AIDA64 or something similar is what you're thinking of.
That’s a solid result for an air-cooled I7-5820K. It looks like you’ve reached a good performance level.
What kind of cooler are you using? The 58C is a decent temperature.
Only the middle fan worked inside, the outer one didn't fit with my RAM.
I used a standard performance evaluation tool.
AIDA64
Your readings are perfectly normal.
Sure, here we go with a lighthearted twist!