Engadget
eGPUs do work, but they come with some notable limitations

External graphics processors connect via Thunderbolt or OCuLink to boost laptop gaming performance, but bandwidth limitations often cause significant speed deficits compared to desktop setups. While Thunderbolt 5 and OCuLink improve data transfer, high costs and compatibility issues, such as the lack of support on Apple Silicon Macs, make dedicated gaming PCs more efficient investments.