Comparing 2 boards

These two are a long way apart on volume, so they are not really alternatives to each other.

Bing Surfboards Synchronizer

Synchronizer

Bing Surfboards

Length
5'4"–7'6"
Volume
Shape
fish
Fin setup
Quad
Video
1 clip
Roberts Surfboards THE LIP

THE LIP

Roberts Surfboards

Length
5'0"–6'7"
Volume
Shape
thruster
Fin setup
Thruster
Video
3 clips
+ Add a board

Up to 4 boards at a time. Volume and length are the shaper's published ranges across all sizes of the model, not a single board.