TaylorMade PSi vs TaylorMade P770 (2017)
Side-by-side factory specifications. Differing values are highlighted.
TaylorMade PSiprogressive set — cast long irons with a Speed Pocket, forged short irons · forged carbon steel short irons with tungsten weighting in the 3 to 5 ironsTaylorMade P770 (2017)forged cavity back with tungsten back bar · forged 1025 carbon steel with a tungsten back bar in the 3 to 7 irons
Specification comparison
| Club | PSi loft | P770 (2017) loft | PSi lie | P770 (2017) lie | PSi length | P770 (2017) length |
|---|---|---|---|---|---|---|
| 3 | 19 | 20.5 | 60.5 | 60.5 | 38.75 | 38.75 |
| 4 | 21.5 | 23 | 61 | 61 | 38.25 | 38.25 |
| 5 | 24.5 | 26 | 61.5 | 61.5 | 37.75 | 37.75 |
| 6 | 27.5 | 29.5 | 62.5 | 62 | 37.25 | 37.25 |
| 7 | 31.5 | 33 | 63 | 62.5 | 36.75 | 36.75 |
| 8 | 35.5 | 37 | 63.5 | 63 | 36.25 | 36.25 |
| 9 | 40.5 | 41.5 | 64 | 63.5 | 35.75 | 35.75 |
| PW | 45.5 | 46 | 64 | 64 | 35.5 | 35.5 |
| AW | 50.5 | 51 | 64 | 64 | 35.5 | 35.5 |
| SW | 55 | — | 64.5 | — | 35.25 | — |
Highlighted cells differ between the two sets. Lofts and lies are factory standard.
Lofts compared
- PSi
- P770 (2017)
Which should you choose?
The P770 (2017) is the weaker-lofted set — up to 2° weaker than the PSi. That trades raw distance for a steeper landing angle and more predictable stopping power into greens.
Both charts are reproduced in full on their own pages: TaylorMade PSi specs and TaylorMade P770 (2017) specs.