Clock rates
I run the card with a recursive and very long-lasting calculation of a 3D shading for a more complex solar system, which roughly corresponds to the 100% load under Furmark. The clock rate under load is still around 1830 MHz after full warm-up, which is even slightly below the base clock. In lighter applications such as 3D visualization in Lightwave, it is still up to 2670 MHz at the beginning, whereby a drop to around 2400 to 2500 MHz also occurs here with increasing warming, depending on the load and duration.
Temperatures
We can see that the GDC hotspot levels off at the specified 95 °C for Tjunction under maximum load and the memory is also very high at 90 to 91 °C. The GPU edge temperature is high at around 86 °C, but the delta of only 9 degrees difference to Tjunction is really good and testifies to the quality of the thermal pad used.
Fan curve and noise development
We have just seen that the card makes full use of the specified temperature range. Nevertheless, the fan speeds are only around 43% PWM, which is quite decent, but still indicates a noise level above the 40 dBA mark. A radial fan and the DHE design of the cooler are not available without noise development. It was a bit tricky to measure this with the laser, because the known programs only read out the PWM values, but not the actual speed. That’s why I logged it externally with my measurement setup including a red laser and silver coating on a paddle wheel. It is certainly not absolutely exact, but it is a plausible curve with a final speed of around 1820 rpm, the characteristics of which also match the PWM curve exactly.
But what does that mean in real terms? At 43.3 dBA, it’s at least on a par with the RTX A6000, which made quite a quiet impression in itself. In principle, it will hardly be possible to make it quieter, because it is and remains a workstation graphics card that consistently and directly transports the exhaust air out of the housing instead of just distributing it too generously.
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