Apologies if there's already a thread. I didn't even know Fifa 19 Switch was confirmed so seemed noteworthy to me. This is based on an interview with Andrei Lazarescu, who is the Supervising Producer for the new FIFA World Cup mode. The article I'm linking called it a "considerable" jump in graphics but no idea if that's from his mouth or theirs.
on Frostbite in future Fifa Switch games:
On Fifa 18 Switch's custom engine:
https://www.dreamteamfc.com/c/gaming/401351/fifa-19-release-date-nintendo-switch-review/
on Frostbite in future Fifa Switch games:
"I'm not closing the door on that possibility," he said. "However we didn't want to create a dumbed-down version of the frostbite engine."
On Fifa 18 Switch's custom engine:
"The intent was never to have a one-off custom engine that were never going to touch again,"Lazarescu explained.
"It was to have that as a baseline and then build from there."
https://www.dreamteamfc.com/c/gaming/401351/fifa-19-release-date-nintendo-switch-review/