September 28, 2023
AMD's overheating GPUs may be worse than we thought

In response to an in-depth evaluation by an overclocking professional, overheating issue plaguing some AMD Radeon RX 7900 XTX graphics cards it appears to be affected by the orientation of the cardboard inside the pc.

Common overclocking professional Roman Hartung shared a video on his YouTube channel, der8auerresearches this thermal throttling concern and located some attention-grabbing outcomes. If the RX 7900 XTX is put in in portrait orientation, the graphics card appears to run 10 to fifteen levels Celsius cooler than the identical card positioned horizontally.

The AMD Radeon RX 7900 XTX is floating on a raging fire.

It may possibly present a bit when mounting vertically Help for AMD’s Radeon RX 7900 XTX owners, Hartung stated that regardless of how the cardboard is inserted, the throttling continues. This led to additional experiments to attempt to decide what the issue was in hopes of a fast repair with no need to return the cardboard to AMD.

One other take a look at was carried out with the cardboard mounted horizontally however the wrong way up to test if gravity was pulling the heatsink away from the GPU, probably decreasing its effectiveness. There was no change within the outcomes and RX 7900XTX it nonetheless heats up and dims after a couple of minutes of heavy use. Hartung dived deep into a number of different cooling particulars that had been once more inconclusive.

I used to be unsuitable – AMD is in BIG Bother

The remaining principle, if true, is extra problematic: There could also be a defect within the steam chamber used with the AMD Radeon RX 7900 XTX. Steam rooms, also known as heat pipes, make the most of the part change of boiling water to grow to be vapor earlier than condensing to chill. When working correctly, a steam chamber rapidly removes warmth from high-performance electronics.

Hartung’s assessments had been run on 4 AMD RX 7900 XTX reference playing cards to permit for some variations. Bigger samples yield higher outcomes, and scientists depend on a whole bunch or 1000’s of samples. Finally, AMD will likely be in the perfect place to establish and repair the issue of overheating and the ensuing slowdown.

The corporate has already formally responded to the complaints, however we’ll should see if an official recall is within the works. Overheating points have been an ongoing concern with the most recent technology of high-power GPUs. Melting wires of Nvidia RTX 4090.

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