The T-series returns with models that appear to have the same core count as their S-series K counterparts, but the TDP is limited to 35 W, so the core clocks are slightly lower and the overclocking capabilities are gone.
https://www.notebookcheck.net/Intel-s-Alder-Lake-product-stack-to-include-35-W-T-series-desktop-processors-ideal-for-fanless-mini-PCs.562347.0.html