AMD Radeon RX 7000 series GPUs have their power play tables locked

Up to now, most AMD Radeon GPUs had the power play tables unlocked, offering an alternative method for overclocking the chip. That has changed with the Radeon RX 7000 series cards, as they now have the power play tables locked by default.

As reported by Buildzoid, AMD has apparently locked the power play tables for Radeon RX 7000 series graphics cards, preventing users from adjusting power and frequency curves.

For those unaware, modifying the PPTables is a method to overclock graphics cards. The major difference between using these tables or a tool like AMD Adrenalin is that it can bypass limitations on the GPU's firmware. In addition, changing the PPTables gives more granular control over the GPU's frequency, power, and voltages than your usual overclocking software.

Even if you can't edit the PPTables on Radeon RX 7000 series GPUs, BIOS modifications should still be possible. However, BIOS modding is considerably riskier.

In this Reddit post (via Tom's Hardware), an AMD graphics engineer claimed that AMD is planning on making further improvements where overclocking is concerned.

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KitGuru says: While PPT is locked for now, this might be an area AMD revisits with future updates. 

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