Face AngleP21 has a slightly open face angle, P97 has a open face angle. A more open face lifts shots more easily; a more closed face keeps the puck lower.
Curve DepthP97 has a deeper curve (Moderate) versus the slight P21. Deeper curves add puck control and shooting power but reduce backhand feel.
LieBoth curves share the same lie (null). Lie affects how the blade sits flat on the ice at your natural skating posture.
Curve TypeBoth are Mid curves, sharing the same general blade shape.