Safe overclocking for Gigabyte R9 270 OC Version

[Agalryunaer]

Im new to overclocking and I just build my first PC. I have this GPU and I downloaded the OC Guru II from Gigabyte, however I cant find any reference for OCing numbers for this card. Any guide on how to do it? I maxed it all out on that software and got no improve whatsoever with hitman absolution benchmark test (stereoscopic)

Should I use any other software to OC?

I have a Kaveri APU and 16 gb of HyperX Beast 2133mhz not OCed.

 

[BleedingEdgeTek]

Are you sure you hit apply? I'm 100% positive maxing out the overclock would crash your card without adjusting voltages.

 

[Agalryunaer]

Are you sure you hit apply? I'm 100% positive maxing out the overclock would crash your card without adjusting voltages.

I adjusted the minimum voltage in the OC Guru program