Ars calculates the size of the DualShock 4 touchpad: about 2.1” x 1”

A little image wrangling (and math) generates a general sizing estimate.

DualShock 4 CHU-ZCT2U Touchpad Replacement - iFixit Repair Guide

PS4 Controller Touchpad

Smart controller: Introducing a dynamic interface adapted to the gameplay - ScienceDirect

DualShock 4 CHU-ZCT2U Touchpad Replacement - iFixit Repair Guide

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Lenovo Tab Extreme Review

Ars Technica

Description: This touch pad is made of high quality ABS, wear-resistant and durable. It has exquisite craft, comfortable and easy to use. Best

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