Just to clarify, 5G signal might be weaker than 4G, but download & upload speeds are much faster than 4G. 5G download speeds average 20+Mbps, upload 4-5mbps. 4G download will average 8-10mbps, upload under 1mbps.
Streaming on multiple servers, experience constant buffering at times with 5G network, 4G offers more dependable streaming.