Temperatures and boost clock
The card constantly boosted below 2000 MHz in gaming. This is well above what NVIDIA officially specifies for the boost, but actually only just above what Palit also achieves on the Dual OC with less effort. The memory could also be overclocked a bit, but it does not bring much. Like the GeForce RTX 3060, the GPU could not even be stably overclocked by more than 100 MHz, which then resulted in about 75 MHz more clock after warming up. Effort and benefit? None, and in the end it’s nothing more than the usual dog-eat-dog principle. Because more waste heat causes the boost clock to drop again. Here you will have to hope for the GPU lottery and the best possible manual voltage adjustment in the Curve Editor.
The temperatures of the for the somewhat cost-reduced cooler design certainly good, also the newly added hotspot (sensor). Actually, there would still be decent room for improvement, which could have been made considerably quieter with a more moderate and not so aggressive fan curve. Why freeze everything down to 66 °C under load when you would have been fine with just under 70 °C or a bit above? I’ll write something about that in the next chapter.
Now let’s move on to the recording with the high-resolution infrared camera. Optris’ PI640 features a true 640 x 480 pixel bolometer and records at up to 30 FPS. Here I use the normal lens and calibrated film with a known transmittance so that I can de facto see inside the closed housing. I will also remove the backplate for a test so that I can also measure the circuit board. Everything is fine at idle:
If you give the gaming loop free rein with plenty of 130 watts and some air, most things only heat up very moderately. The bottom of the VRM is still reasonably cool with up to 56 °C and you can already clearly notice the equalization to 5 phases. Only the memory VRM is higher, but this can also be described as cool or at most warm with just under 58 °C.
The VRM temperatures then hardly increase in the stress test with an identical TDP. The cooling is beyond reproach with the high speeds, but it could also be much quieter when looking at the other two cards. But I will come to that in a moment.
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