Bob,
from what I was told by one of the ships officers the Neptune is using starling on board. When I do a Speedtest on it it does show our connection to Starlink. Speeds do vary depending on how many guests are using the system. I have seen connection speeds as high as 175 meg but usually around 50-75. Compared to my other five Viking ocean I would definitely say it is better. They are using it to show the football games this weekend. Hope this helps.
rick