Originally Posted by Ph42oN
I have my Asus Dual RX 480 overclocked to 1440mhz, cooled by cpu waterblock. Its at about 1.21v on load, but in light load where clockspeed is jumping around i see some voltage spikes in hwinfo, it says maximum voltage was about 1.42v. In gpu-z max voltage shows about 1.3v. I also did some testing with about 1.3v on load, hwinfo said max voltage was 1.5v.
Should i be worried about these spikes, and would it be safe to run higher than 1.21v?
If your 480 uses the IR3567B voltage controller, you can set the Vmax
register, so you won't have those voltage spikes.