Callaway Supersoft vs Mizuno RB 566
Side-by-side specs plus estimated launch-monitor numbers — ball speed, launch, spin, and carry — at any club and swing speed.
Soft feel · Ball A
Callaway Supersoft
Compression 38 · Hybrid · soft
Soft feel · Ball B
Mizuno RB 566
Compression 65 · Ionomer · soft
Numbers update live as you slide. Use the form above to change either ball.
Estimated launch — Driver
B vs A delta
| Ball A | Ball B | Δ B − A | |
|---|---|---|---|
| Ball speed | 155.8 mph | 156.5 mph | +0.7 mph |
| Launch angle | 12.9° | 12.9° | no change |
| Spin | 2,200 rpm | 2,300 rpm | +100 rpm |
| Estimated carry | 269 yds | 270 yds | +1 yds |
Estimated trajectory
All balls — Driver at 105 mph
Click any column to sort. Highlighted rows match the two balls above.
Callaway Supersoft vs Mizuno RB 566 — frequently asked
Which is softer, Callaway Supersoft or Mizuno RB 566?
The Callaway Supersoft is softer at 38 compression vs Mizuno RB 566 at 65 — a 27-point gap. Lower compression deforms more easily on slower swings.
Does Callaway Supersoft or Mizuno RB 566 spin more around the green?
Neither has a urethane cover. Both will produce comparable but moderate greenside spin — fine for stopping the ball but not the bite of a tour ball.
What is the price difference between Callaway Supersoft and Mizuno RB 566?
Callaway Supersoft is $25.00 per dozen MSRP, Mizuno RB 566 is $28.00. Amazon pricing is typically 15–25% below MSRP for both.
Which is the better tour ball, Callaway Supersoft or Mizuno RB 566?
Neither is a tour-tier ball in this matchup. Callaway Supersoft is soft feel; Mizuno RB 566 is soft feel.