75ºC is actually smack in the middle, not the best and not the worst.
You can do a Cinebench run to see how far it really goes.
In HWiNFO:
These are reported by CPU, the most often used would be the first one
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These are reported by the motherboard, CPU package would be the most accurate.
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You can get CoreTemp, its very lightweight, but for some reason cannot read vCore well.
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When minimized you get this readings.
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The Englishman