We use Nvidia PCAT to measure power draw of the graphics card only, with readings from both the PCIe slot and the PCIe power cables combined into a single figure. We use Cyberpunk 2077 (1440p) for this testing.
Interestingly, Gigabyte has not increased the default TGP out of the box, and we actually saw the Aero OC pull slightly less power than the Founders Edition, as it drew 219.7W.
Combining the power draw values shown above with the performance data, we present performance per Watt for each graphics card tested:
That, coupled with a small increase in gaming performance, means efficiency is higher than the Founders Edition and on par with the RTX 4080 – not bad at all!