The NVIDIA RTX 5050 Mobile is the objective winner of this comparison, securing victory in six out of seven measured specifications. Its most significant advantage over the AMD RX 6400 is its shader unit count, which is 233% higher. While the AMD RX 6400 maintains a lead in power efficiency with a 47% better TDP, the substantial disparity in core processing hardware makes the NVIDIA offering the superior component across the majority of technical metrics.

Users prioritizing raw processing power should select the NVIDIA RTX 5050 Mobile to leverage its vastly higher shader unit count. Conversely, the AMD RX 6400 is the appropriate choice for builds where power consumption is the primary constraint, as it provides a 47% advantage in TDP. Choosing between these two components depends entirely on whether your specific system requirements favor the power-efficient operation of the AMD card or the higher shader capacity of the NVIDIA hardware.