this post was submitted on 25 Jan 2025
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A little dramatic but okay.
Is it though?
The Hotspot temp sensors are one of the most critical diagnostic sensors an end user can have. When the thermal interface material begins to degrade (or leak out of the rubber gasket, in the case of the 5090's liquid metal) your package temp may only go up a few C but your Hotspot may increase by 10-20C or more. That indicates problems and almost definitely is one of the leading causes of dead and crashing GPU's- it's also the easiest to detect and fix.
Removing this quite literally has zero engineering reason beyond
The sensors are still definitely there. They have to be for thermal management or else these things will turn into fireworks. They're just being hidden from the user at a hardware level.
This isn't even counting the fact that Hotspot also usually includes sensors inside the VRM's and memory chips, which are even more sensitive to a bad TIM application and running excessively warm for longer periods of times.
It looks bad with the insane TDP they run at now. They could cut 33% of it off and probably lose like 5-10% perf depending on the SKU. Maybe even less.
It also looks a lot like planned obsolescence.