Then Wiki is wrong all around cause it states the 950M GTX has the same 75W TDP…The wiki is obviously wrong. Someone has copy-pasted the desktop version TDP without bothering to adjust them. If the mobile 1050 GTX had a TDP of 75W, it would be a horrible card and a massive downgrade efficiency-wise from a 960M used previously.
Nobody really knows the real TDP of a mobile 1050, as Nvidia doesn't publish it, but 45-50W is the most reasonable estimate. After all, that GPU is designed to replace the 950M/960M, so it most likely has the same TDP.