When it comes to NVIDIA's Ampere laptop GPUs, variation in TGPs is just one conundrum. Apparently, NVIDIA is keeping mum on Dynamic Boost 2.0 clocks due to which OEMs, apart from determining TGP and Max-Q features, are also deciding on which boost clocks to advertise further complicating matters for both reviewers and end users alike.
https://www.notebookcheck.net/NVIDIA-Ampere-RTX-30-Laptop-GPUs-TGP-woes-apart-OEMs-may-also-decide-boost-clocks-on-their-own.519612.0.html