A head-to-head look at two of the top irons in the Every18 index — scores, fit, estimated used price, and which one to buy.
2021 Irons
The Srixon ZX4 / ZX5 / ZX7 edges the Mizuno JPX 923 on overall Every18 score (97 vs 96), but that headline number only tells part of the story. The Srixon ZX4 / ZX5 / ZX7 is both the cheaper buy (about $510 used vs $685) and the stronger value pick, which makes it the safer choice if budget matters. They split the two traits most golfers care about: the Srixon ZX4 / ZX5 / ZX7 is the more forgiving irons, while the Mizuno JPX 923 is the faster one — so pick the trait your game needs most. Bottom line: choose the Srixon ZX4 / ZX5 / ZX7 if you fit its profile (mainframe forged matrix); choose the Mizuno JPX 923 if you lean toward hot metal to tour.
| Metric | Srixon ZX4 / ZX5 / ZX7 | Mizuno JPX 923 |
|---|---|---|
| Every18 score | 97 ✓ | 96 |
| Forgiveness | 85 ✓ | 84 |
| Speed | 72 | 87 ✓ |
| Feel | 85 ✓ | 75 |
| Value rating | 88 ✓ | 81 |
| Est. used price | $510 ✓ | $685 |
| Value index | 80 ✓ | 59 |
| Launch | Mid | Low to mid |
| Spin | Mid | Controllable |
| Fit profile | MainFrame forged matrix | Hot Metal to Tour |
Scores, value indexes, and prices are Every18 editorial estimates for comparison. Verify exact specifications, configuration, condition, and market price before purchasing.
On the Every18 editorial score the Srixon ZX4 / ZX5 / ZX7 rates higher (97 vs 96 out of 100). "Better" still depends on fit — the Srixon ZX4 / ZX5 / ZX7 suits mainframe forged matrix, while the Mizuno JPX 923 suits hot metal to tour.
The Srixon ZX4 / ZX5 / ZX7 scores higher on the Every18 value index. Estimated used prices are about $510 for the Srixon ZX4 / ZX5 / ZX7 and $685 for the Mizuno JPX 923, so the Srixon ZX4 / ZX5 / ZX7 is also the cheaper buy.
The Srixon ZX4 / ZX5 / ZX7 rates higher for forgiveness (85 vs 84), which usually helps mid- and higher-handicap players hold more fairways and greens.
See how these stack up against the rest of the field.
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