Curry 1 TC vs Marcinkiewicz 310
The Curry 1 TC has a wider cup diameter, the Curry 1 TC has a larger throat opening.
Cup Diameter
The Curry 1 TC has a cup diameter of 17.27 mm / 0.6800 in compared to 17.20 mm / 0.6772 in on the Marcinkiewicz 310 — a difference of 0.07 mm / 0.0028 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Curry 1 TC has a wider throat (3.70 mm / 0.1455 in vs 3.66 mm / 0.1441 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
Which is better?
Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.