Q: Macbook pro 15 - mid 2015 heating and temperature

Hello to all Apple fans and Members,

I am glad to join this community, and i enjoy all Apple products that i have.

About month ago i buy first macbook in my life model:

Macbook Pro Retina 15 inch mid 2015 , i7 2.5ghz, 16gb ram, intel iris pro + m370x radeon

Everything is perfect with this notebook i enjoy it every second however couple times things happen that i not understand and im little worried please someone if can help or advice is this normal or not.. and if not what should i do go to authorized service to check or i can fix myself.

I do most of time browsing with Safari and multi tab 15-20, sometime i open Firefox with a video on youtube or if someone connect to me via TeamViewer and notebook gets so hot and fan noise from slow to louder until after 5-6 minutes its hard to type on keyboard because its so hot and noise so loud. After i close that video or TeamViewer remote connection it stop and return in normal in less than minute. But why would it get so hot from a high resolution video or teamviewer this is high end machine what can be wrong i had notebooks worse specifications and worth 5 time less money where this things not happen. This also happen if i game for 10-15 minutes i heard macs not for gaming but i installed Counter Strike GO and i want be able play my favorite game sometime 45min-1hour, and i stop playing game at all so this thing not happen, i start to love this notebook from day 1 but this heat and noise make me problems..

Last night i install iStat and i notice temperatures are CPU 1-4 (120-130)  Fan control show Off left 2160 right 2000 rpm

Whenever i do most of work notebook is quite its awesome, but sometimes suddenly it start getting hot and fans so noisy..

Are these things to worry or not? Should i take it to service its under warranty or no.. can i do something to fix myself? Thank you