The DF3i offers a significant shift in feel and visual alignment over the original DF3, primarily through its new face insert and a heavier overall head weight.
Their scorecard
Feel & roll: 4/5 — Solid, slightly firmer feel
Alignment aid: 4/5 — Standard DF3 markings
Face balance: 5/5 — Full Lie Angle Balance
What they rate
Enhanced alignment aid is more prominent at address
Face insert ('i') provides a softer, more muted feel
Heavier head weight aids in a smoother putting tempo
What they don’t
The increased weight is a notable departure from the standard DF3
Upgrading is highly dependent on personal preference for feel over performance gains
The DF3i offers a significant shift in feel and visual alignment over the original DF3, primarily through its new face insert and a heavier overall head weight.
Enhanced alignment aid is more prominent at address
Face insert ('i') provides a softer, more muted feel