HELIX 7 DI has dedicated DI, 2d and chartplotting (GPS, waypoint capability and contour mapping) ...
Garmin Striker 5CV has dedicated DI, 2d and GPS (waypoint capability on a blank background) ...

A possible scenario would be to use the HELIX for mapping capability and the Garmin for DI and 2d ...

Full screen “anything” is better than combo split screens ...

Rickie