Comparing 2 boards

These two are different shapes, so they suit different waves.

Roberts Surfboards BLACK DIAMOND

BLACK DIAMOND

Roberts Surfboards

Length
5'0"–6'10"
Volume
18.8L
Shape
shortboard
Fin setup
Thruster
Video
3 clips
Chilli Surfboards Mini Bird

Mini Bird

Chilli Surfboards

Length
5'0"–5'4"
Volume
19.3–23.9L
Shape
unknown
Fin setup
Thruster
Video
3 clips
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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.