[Request] How to optimice consumption rx 550 2gb to do best overclock

I have this rx 550 2gb hynix 512sp (powercolor probably).
I got it at a ridiculous price.
I improved the times of the vram (2150mhz), and I managed to take it to 1500mhz (gpu)

But the consumption exceeds the dissipation of it. +85°
Also, if you have better times for the rams and reach 2200mhz, I appreciate it.

RX5502GBHYNIX.rar (107 KB)