We noticed the comparatively low performance of the graphics card when we reviewed the ThinkPad P73. Lenovo was also surprised by the results. We were able to confirm our findings with an additional test sample and were able to show that the GPU fan control does not work properly. Lenovo is already working on a solution, but we can offer a workaround until then.

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Lenovo's ThinkPad P73 is a classic mobile workstation, which does not use the slimmest chassis, but has a focus on good thermals and numerous ports instead. This is why we were surprised by the comparatively bad performance utilization of the Nvidia Quadro RTX 3000, especially under sustained workloads. The fans were very restrained at the same time; it appeared as if Lenovo favored a quiet operating noise.

Lenovo was also surprised by our results and contacted us. However, we were able to confirm our findings with an additional test sample of the ThinkPad P73, this time with the more powerful Nvidia Quadro RTX 4000. The maximum fan noise was once again ~33 dB(A), so we started to investigate (BIOS and drivers were up to date).

Our first suspicion was the BIOS setting, where you can deactivate the integrated graphics unit of the processor. However, this was not successful, the fans just did not want to spin faster. A change of the Windows power profile did not improve the situation, either. After a lot of communication with Lenovo, the manufacturer now confirmed the problem and is already working on a solution via BIOS update. The CPU performance is not affected, we are only talking about the dedicated graphics card.

Until then, we can offer a workaround with the tool TPFancontrol, which is probably already familiar for many ThinkPad users anyway. The fans now reach around 39 dB(A) with the Auto-profile, which is pretty much the target value that was communicated to us by Lenovo. We have some results with and without TPFancontrol in the tables below. The GPU performance, especially under sustained workloads, is much better with the tool running.

