Overclocking GPU

Overclocking and undervolting is a process of changing different GPU related values in order to achieve better performance and lower power consumption. It is an advanced method, which is not recommended to use for complete beginners. You can overclock and undervolt your GPUs with our ClockTune tool.

The tool will allow you to update different settings depending on your rig setup.

Nvidia, msOS:
Power limit (W)
Core Clock (+/- MHz)
Memory Clock (+/- MHz)
Fan speed (%)
AMD, msOS:
Core clock (MHz)
Core voltage (mV)
Core state (index)
Memory clock (MHz)
Memory state voltage (mV)
VDDCI (mV) - I/O bus voltage
Fan speed (%)
Nvidia, Windows:
Power limit (%)
Core Clock (MHz)
Memory Clock (MHz)
Fan speed (%)
AMD, Windows:
Power limit (%)
Core Clock (MHz)
Memory Clock (MHz)
Fan speed (%)

You can enter one value to the input field or multiple values which will represent values for different GPUs ordered by BUS ID. The divider is space. If you don't want to set a value, write skip or leave the whole field empty. Fan speed can be either set as a fixed value or as a fan curve with a target temp and fan max. and min. ranges.

Overclocking settings

You can save your favorite overclocking profiles and then apply them to your workers through "Worker config" section, on the worker's profile, to algorithms in profit switch, or to the config templates.

Please note that ClockTune will work on Windows node only if you run MSI Afterburner. You don't have to change anything in Afterburner, just run it; all settings are controllable from your minerstat dashboard.

ClockTune troubleshooting

When you are overclocking or undervolting your GPUs, do it gradually. You are maybe used to some settings that you were using in other systems, but it is possible that exactly same settings won't give the same results. If this is the case, your hardware will show as undetected or rig will start crashing. That's why we suggest to slowly change the settings to find the right value. Everytime you save changes of your ClockTune profile, the rig that uses this ClockTune profile will automatically load new values.

msOS

In case your ClockTune settings are different than what rig actually uses and you are using mining OS, try the following:

  • mclock to load the latest ClockTune settings;
  • mrecovery to recover the ClockTune settings.

If your rig doesn't start mining and the overclocking values are weird, remove the ClockTune profile from the worker's config and reboot the rig. This will load your rig with stock values and you can repeat the overclocking procedure with less intense values.

Windows

Make sure that you are running a stable version of MSI Afterburner. Currently, this is version 4.5.

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