"i think its called Global Masters or something like that.." - ahh yes, better just to keep clear of that.
You will do perfectly fine sticking with a reputable organisation such as a vanguard index tracking whichever market you wish to enter over the time horizon you say. As for comparable, it all depends on the market entered and your appetite for risk.
I am unfamiliar with TGG...and hence the no comment on it.
