battery life macbook pro 2016 so bad

Hi ,

I have macbook pro 15 2016 touchbar sierra 10.12.6, i had it now about 7 months .

and i gotta say this has the worst battery i have ever used on a laptop .

see attached image 2 hours only on battery using chrome with 5 youtube tabs .

Can someone please explain to me , am i missing something here ?!?!?

This thing is supposed to be 9-10 hours , as advertised .

last weak i was with my cousin doing some work on the laptops he had dell vostro 14 .

he was using 3d rendering softwares like autocad ...

i was reading websites watching youtube , i gotta say i was really embarrassed, my battery was gone and i looked at his he , he was above half , and was doing more consuming battery work .