I have a problem with my graphic

Hi, good morning, I have a problem, i buy a graphic, but i have problems when i playing, the display sometimes turn off then come back to normality,Happens constantly, i have a processor q6600 with 4gb of ram, maybe i need to change the processor or something else,

 

y have:

 

q600 processor with 4gb of ram

 

Radeon™ RX460 WINDFORCE OC 2G

 

Intel mobo g31t-lm with Win 10 64bits