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# XP-Pen X4 pen notes

## Overview

The X4 pen series was introduced with the X4 Smart Chip Stylus pen that came with the XP-Pen Artist 12 GEN3 released in 2025.

## Pressure range

XP-pen states:

* IAF: 2gf
* Max pressure: NOT STATED

My measurements:

* I have not measured it yet. When I get 3 of them I will measure.
* But subjectively, I would agree that IAF is close to what XP-Pen states, and the max pressure seemed to be in the GOOD range (>350gf).

## Photos: X4 smart chip stylus

<figure><img src="https://1457921496-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNde0PQIvNcFZNVxuTO0G%2Fuploads%2Fcus2wZBUiEgqNzGDwPvC%2FIMG_0036%20(Large).jpg?alt=media&amp;token=6805c48a-b674-4713-a266-23531c2b4838" alt="" width="375"><figcaption></figcaption></figure>

<figure><img src="https://1457921496-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNde0PQIvNcFZNVxuTO0G%2Fuploads%2FOj0D0ehW5fXDu1nxIBgO%2FIMG_0037%20(Large).jpg?alt=media&amp;token=4a81fcbf-a586-4cc2-89b5-38ea7fb11368" alt="" width="375"><figcaption></figcaption></figure>

<figure><img src="https://1457921496-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FNde0PQIvNcFZNVxuTO0G%2Fuploads%2FXaX6pNyLZC75GY6oEpvl%2FIMG_0040%20(Large).jpg?alt=media&amp;token=be4df30b-c202-4c15-9980-8192ad88c184" alt="" width="375"><figcaption></figcaption></figure>