When running the AMD Radeon RX 480 8GB reference card at default settings (1136mV) we had an overall score of 67.25 FPS when we averaged our runs together with the built-in DX12 benchmark for Rise of The Tomb Raider. Just like overclocking, undervolting too much will result in system instability and could possible cause crashes. We tried to go down to 1006mV, but the system crashed and rebooted. With Voltage Control set to manual we were able to type in the voltages that we wanted and now we have PS5, PS6 and PS7 all running at 1050mV. AMD Radeon RX 480 With Manually Lowered PS6 and PS7 Voltage Settings We are simply going to lower those to 1050mV. By default Power State 6 is 1100mV (1.1V) and Power State 7 is 1137mV (1.137V). When playing games you are usually at the highest 2-3 power states, so to keep things simple we’ll just be adjusting the two top power states. To undervolt the AMD Radeon RX 480 you can go into AMD Radeon Settings and under the Global Wattman settings you can control the voltage levels for the GPU at seven different power states. With the AMD Radeon RX 480 exceeding ‘safe’ power levels in stock form at default clock speeds, proven by Ryan Shrout over at PC Perspective), we figured we’d give undervolting a shot. While we wait for AMD to come up with a fix for the Radeon RX 480’s power woes we ran across an article by Keith May over at WCCFTech about how he was able to undervolt the Radeon RX 480 and improve performance.
Amd radeon settings wattman update#
AMD will be providing a software update in a driver that implements a fix and there will be an update on its progress tomorrow (July 5th, 2016). It appears that the Radeon RX 480 is exceeding the 75W power limit over the motherboards x16 PCIe slot. We don’t have a proper Data Acquisition (DAQ) tools needed to measure board power, so we’ve had to sit on the sidelines for the Radeon RX 480 powergate debacle.
Amd radeon settings wattman 1080p#
The AMD Radeon RX 480 has already proven itself to be an affordable solution for 1080P and 1440P gaming displays in our launch review and then later when we looked at 4GB versus 8GB frame buffer performance.
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