R7 370 Massive overclock, is this okay?

[WummyWumWum]

Hello, I am new to overclocking and i made my gpu significantly faster. The card was originally 985MHz, is this a safe overclock? http://imgur.com/a/NIfFr

 

[rgd1101]

Tested in games?

 

[WummyWumWum]

Tested in games?

Yeah, I have had it for a month and no problems. I play BF4 with it constantly. I am a bit worried about the long term effect.