Nvidia’s RTX 50-series cards have a tendency to run cool and quiet. On average, at least. The current generation of Nvidia GPUs were previously claimed to have had their hotspot sensor removed, which lead to limited temp readings in real-time monitoring tools like GPU-Z, as only the regular GPU and memory temperature data is available.
However, Brazilian modding and repair channel Paulo Gomes claims to have gained access to hotspot measurements on RTX 50-series GPUs via MODS, or Nvidia Modular Diagnostic Software, an internal Nvidia tool that appears to have leaked to some repair channels and Discord servers (via Techpowerup).
By the seems of it, RTX 50-series GPUs do in fact have a hotspot temperature reporting sensor, but it’s disabled at a driver level on boot. The Nvidia MODS tool bypasses the driver restriction, allowing users to see the exact hotspot temperature, making it easier to diagnose a misaligned cooler or improper application of thermal paste.
Which is what Paulo Gomes has been doing in order to diagnose RTX 50-series cards with abnormal gaming performance and high fan noise, due to thermal throttling.
In the given example, a Gigabyte RTX 5070 Ti was reporting an average temperature of around 68 °C , but had an actual hotspot maximum temp of 107 °C due to poor cooler contact. After replacing the thermal paste and ensuring the cooler was correctly fitted, the hotspot temperatures dropped to 100 °C, resulting in much better performance.
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Given the sheer number of AIB coolers strapped to Nvidia’s latest efforts, it’s no surprise that some become victims to poor implementation of thermal interface material. That being said, it’s not the first Gigabyte thermal paste-related issue we’ve been made aware of.
As to why hotspot data is blocked in the first place for RTX 50-series cards? No idea. Many Nvidia RTX 50-series GPUs have passed through our hands since release, and we’ve not had issues with poor performance (relative to expectations) or thermal problems with any of them.
Still, the MODS tool is said to be out there, floating within the murky world of Discord. Be careful with what you download though, yes? There’s nothing worse than getting an unintentional dose of malware to compound your PC issues, let me tell you.
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