AMD has banned the use of Power Play Tables (PPTable) in the Windows Registry on its Radeon RX 7000 graphics cards. This limits the ability to overclock graphics cards and specifically disallows fine-tuning of the power and frequency curves of the graphics card. GPUs beyond their official specs. On this noticed known Buildzoid enthusiast.
Image source: AMD
Power Play tables are an alternative method of changing GPU clock speed, power, and voltage via the Windows registry instead of changing or replacing the BIOS. At the same time, this is the safest method of starting GPUs outside of their official specifications, as it prevents any risk that could arise from flashing the BIOS.
Customizing Power Play tables or changing the BIOS has many advantages over traditional AMD overclocking methods and features offered by Radeon Software Adrenalin. First, users can bypass the GPU hardware limitations related to firmware and overclock the graphics card as much as possible. Second, Power Play tables allow for fine-tuning of the voltage/frequency curve to improve the power efficiency of the graphics card. In other words, this method allows you to fine-tune the GPU behavior of your graphics card, which is not possible with regular AMD overclocking software.
Previous generation Radeon RX 6000 graphics cards have the ability to optimize power through Power Play tables. It is not known why AMD decided to ban them on Radeon RX 7000 graphics cards. However, one of the AMD engineers on the Reddit forum in the topic of discussions about power consumption issues of Radeon RX 7000 video cards informedwhat “architecturally RDNA3 has some changes in how it manipulates capacity tables”.
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