TGP, or Total Graphics Power, defines how much power a GPU can use to operate. As the power used by the GPU increases, the performance also increases, but not proportionally.
https://www.techspot.com/news/90273-acer-increasing-tgp-rtx-30-series-gpus-latest.html?utm_source=dlvr.it&utm_medium=blogger
https://www.techspot.com/news/90273-acer-increasing-tgp-rtx-30-series-gpus-latest.html?utm_source=dlvr.it&utm_medium=blogger