Curry 7M vs Schilke 47B
The Schilke 47B has a wider cup diameter, the Curry 7M has a larger throat opening.
Cup Diameter
The Schilke 47B has a cup diameter of 24.87 mm / 0.9791 in compared to 24.74 mm / 0.9740 in on the Curry 7M — a difference of 0.13 mm / 0.0051 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Curry 7M has a wider throat (6.53 mm / 0.2570 in vs 6.15 mm / 0.2421 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.