Comparing 2 boards

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

NSP Surfboards Gemini Twin PU

Gemini Twin PU

NSP Surfboards

Length
6'2"–7'0"
Volume
34–45L
Shape
shortboard
Fin setup
Twin
Video
1 clip
Rusty Surfboards Zeppelin

Zeppelin

Rusty Surfboards

Length
6'4"–8'8"
Volume
40–73.7L
Shape
unknown
Fin setup
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.