MSI RTX 4080 16GB Suprim X: Ada Lovelace with GPU near 3 GHz

Methodology: temperature tests

From Olympus back to ordinary mortals. Though the GeForce RTX 4080s are quite a bit weaker than the RTX 4090s, they’re also significantly more power-efficient and cheaper. And their performance still exceeds the top models of previous generations of Nvidia and AMD gaming GPUs. In addition, MSI’s most powerful model – the Suprim X – pushes the GPU clock speeds very high, while efficiency is still top-notch.

Methodology: temperature tests

We’re also bringing you temperature tests. You are at HWCooling after all. However, in order to make it sensible at all to monitor temperatures on critical components not only of the graphics card, but anything in the computer, it is important to simulate a real computer case environment with healthy air circulation. The overall behavior of the graphics card as such then follows from this. In many cases, an open bench-table is inappropriate and results can be distorted. Therefore, during all, not only heat tests, but also measurement of consumption or course of graphics core frequencies, we use a wind tunnel with equilibrium flow.

Two Noctua NF-S12A fans are at the inlet and the same number is on the exhaust. When testing various system cooling configurations, this proved to be the most effective solution. The fans are always set to 5 V and the speed corresponds to approx. 550 rpm. The stability of the inlet air is properly controlled during the tests, the temperature being between 21 and 21.3 °C at a humidity of ±40 %.

We read the temperature from the internal sensors via GPU-Z. This small, single-purpose application also allows you to record samples from sensors in a table. From the table, it is then easy to create line graphs with waveforms or the average value into bar graphs. We will not use the thermal camera very much here, as most graphics cards have a backplate, which makes it impossible to measure the PCB heating. The key for the heating graphs will be the temperature reading by internal sensors, according to which, after all, the GPU frequency control also takes place. It will always be the heating of the graphics core, and if the sensors are also on VRAM and VRM, we will extract these values into the article as well.


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One comment Add comment

  1. The cooling is not too great. Lower models like 3070 Gaming Trio do operate silently in comparison. Maybe some blame can be attributed to high TDP. Still disappointing to see. Coil whine with 2 high peaks in the traditional frequency area is even more disappointing. MSI seemed to be the way to go for folks who want to avoid bad coil whine. Not anymore.

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