What's the normal temp for a TX3 cooling master heatsink

[ChrisMorris]

I have an Athlon x4 760k and a med tower with somewhat enough room where air flow should be fine what should my temps be?

Also; Im running at 45 - 50c idle and something tells me it should be way cooler.

 

[Karsten75]

http://www.tomshardware.com/faq/id-2122665/understanding-temperature-amd-cpus-apus.html