Cobra Darkspeed X vs Mizuno ST-Z 230
Both the Cobra Darkspeed X and Mizuno ST-Z 230 target similar golfers, but they take different approaches to performance. The Cobra Darkspeed X from Cobra debuted in 2024, while Mizuno's Mizuno ST-Z 230 launched in 2024. We put both through our scoring system to see which one delivers more where it counts.
Score Comparison
Category-by-Category Breakdown
Forgiveness
The Cobra Darkspeed X holds a modest edge in forgiveness at 8.6/10 vs the Mizuno ST-Z 230's 8/10. A 0.6-point advantage that's slight but could matter if forgiveness ranks high on your priority list. Cobra Darkspeed X's 8,700 MOI provides solid stability.
Distance
The Cobra Darkspeed X edges the Mizuno ST-Z 230 8.8 to 8.6 in distance, but the 0.2-point gap is virtually identical in practice. You won't feel a real-world difference between these two here. Key tech like PWR-Bridge Weighting drives the Cobra Darkspeed X's speed numbers.
Feel & Sound
A negligible difference in feel & sound: the Mizuno ST-Z 230 scores 8.6/10 vs 8.2/10 for the Cobra Darkspeed X. The 0.4-point gap is slim enough that other factors should guide your decision. The Mizuno ST-Z 230's 455cc head produces a confident, full-bodied sound.
Adjustability
The Cobra Darkspeed X holds a modest edge in adjustability at 8.6/10 vs the Mizuno ST-Z 230's 7.6/10. A 1.0-point advantage that's slight but could matter if adjustability ranks high on your priority list. The Cobra Darkspeed X offers MyFly8 adjustable hosel (8 loft settings) for fine-tuning.
Value
A negligible difference in value: the Mizuno ST-Z 230 scores 8.8/10 vs 8.4/10 for the Cobra Darkspeed X. The 0.4-point gap is slim enough that other factors should guide your decision. At $449, the Mizuno ST-Z 230 undercuts most competitors significantly.
Specifications
| Spec | Cobra Darkspeed X | Mizuno ST-Z 230 |
|---|---|---|
| Price | $499 | $449 |
| Year | 2024 | 2024 |
| Head Size | 460cc | 455cc |
| Lofts | 8°, 9°, 10.5°, 12° | 9°, 9.5°, 10.5° |
| Adjustable | Yes | Yes |
| MOI | 8700 | 8400 |
| Key Tech | PWR-Bridge Weighting, AI Designed H.O.T. Face, Carbon Fiber Crown and Sole | Beta Rich Ti-X Face, Carbon Crown, Cortech Chamber |
Which Should You Buy?
If you want maximum forgiveness
Go with the Cobra Darkspeed X. Its 8.6/10 forgiveness score means more consistent results on off-center strikes compared to the Mizuno ST-Z 230's 8/10.
If you want maximum distance
The Cobra Darkspeed X has the edge at 8.8/10 vs 8.6/10. Its design is optimized for ball speed and carry distance.
If you're on a budget
The Mizuno ST-Z 230 at $449 scores 8.8/10 for value — better than the Cobra Darkspeed X's 8.4/10 at $499.
Frequently Asked Questions
Which is better: Cobra Darkspeed X or Mizuno ST-Z 230?
The Cobra Darkspeed X scores higher overall at 8.5/10 vs 8.3/10. It wins on forgiveness, distance, adjustability. The Mizuno ST-Z 230 is better for feel and sound, value. The best choice depends on your priorities and handicap level.
Is the Cobra Darkspeed X more forgiving than the Mizuno ST-Z 230?
The Cobra Darkspeed X is more forgiving, scoring 8.6/10 compared to 8/10 for the Mizuno ST-Z 230. It offers better stability on mishits, though the gap may narrow for center-face strikes.
Which is better value: Cobra Darkspeed X or Mizuno ST-Z 230?
The Mizuno ST-Z 230 ($449) scores 8.8/10 for value vs 8.4/10 for the Cobra Darkspeed X ($499). It costs less and delivers more bang for the buck.