Gaming PC

Defective Vapor Chamber May Be Causing RX 7900 XTX Overheating Issue

Exceptional Overclock Roman “der8auer” Hartung potentially found (opens in new tab) Causes of overheating issues on Radeon RX 7900 XTX graphics cards. AMD’s RDNA 3 flagship, one of the best graphics cards out there, seems to have a flaw in the vapor chamber.

Hartung purchased four reference Radeon RX 7900 XTX graphics cards to try to pinpoint the root cause of the problem. He found that horizontal installation contributed to improved temperature. Orientation improved to 20 degrees Celsius. But unfortunately the graphics card showed the same thermal throttling after 1 minute burn-in his test. So, while placing the Radeon RX 7900 XTX horizontally makes it cooler and quieter, the overheating problem was unavoidable. However, the mounting position is only one of the problems.

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