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Gamma Obsidian 13 13mm vs Gamma RCF-Obsidian 10

Side-by-side comparison with lab-tested specs

Specs Comparison

Spec
Gamma Obsidian 13 13mm
Gamma RCF-Obsidian 10
Price
$159.99
$159.99
Swing Weight
112
116
Twist Weight
6
5.87
Weight
7.9 oz
7.9 oz
Core
—
10mm
Power
56.2 MPH
55 MPH
Pop
35.6 MPH
36.1 MPH
Spin
1854 RPM
1813 RPM
Shape
—
Elongated
Face
Composite
Carbon
Build
—
Gen 2
Balance
238mm
243mm

Gamma Obsidian 13 13mm

This paddle delivers mid-range 56.2 MPH power — a versatile option.

Pros

  • +Competitive price at $159.99 (below the $197 average)

Cons

  • −Limited spin at 1854 RPM (20th percentile, avg 1988) compared to newer paddles

Gamma RCF-Obsidian 10

This paddle delivers control-oriented 55 MPH power, crisp 10mm feel, spin-friendly low twist weight — a all-court option in a elongated shape.

Pros

  • +Elongated shape gives extra reach on defense, overheads, and two-handed backhands
  • +Thin core (10mm) gives a crisp, responsive feel with fast feedback
  • +Competitive price at $159.99 (below the $197 average)

Cons

  • −Below-average power at 55 MPH (15th percentile, avg 56.4) — you'll need to generate pace with technique
  • −Limited spin at 1813 RPM (16th percentile, avg 1988) compared to newer paddles
  • −Narrower face means a smaller horizontal sweet spot
  • −Very thin core can feel harsh on mishits and may cause arm fatigue

Best For

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