MOTO Development has posted results of a DIY touchscreen analysis for the iPhone, Droid, Droid Eris, and Nexus One.
Using a simple technique that anyone can perform at home, MOTO evaluated the resolution and accuracy of each touchscreen device. All they used was a basic drawing program, a steady hand, and a few straight lines drawn very slowly on the screen.
"The iPhone’s touch sensor showed the most linear tracking with the least amount of stair-stepping. The Droid Eris and Nexus One tied for second with only faint wiggling – but actually performed best at the edge of the screen. Last in the line-up was the Motorola Droid, which demonstrated significant wavy artifacts or “stair-stepping.”
You can take a look at how the tests were performed in the video below. A chart of the results can also be found below.
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