Touchscreen Test Reveals iPhone Superiority

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Moto Development Group revealed that the Apple iPhone has the best touchscreen in the market to date. This is after doing a touchscreen performance test between the Google Nexus One, the Apple iPhone, the Motorola Droid, and the HTC Verizon Droid Eris.

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The group has created a simple technique so that anyone can evaluate the resolution and accuracy of touchscreen devices before they buy. To conduct the test, consumers open a basic drawing program and draw a few diagonal lines drawn across the screen.

A user should also be able to ‘draw clean straight lines, even while going very slowly on a quality touchscreen.’

The image that appears on screen accurately represents the slowly drawn lines.
“However, on inferior touchscreens, it’s basically impossible to draw straight lines. Instead, the lines look jagged, stair-stepped or zig-zag, no matter how slowly you go,” says the group. 

According to Moto Development Group, the inferior image results from the sensor size is too big, the touch-sampling rate is too low, and/or the algorithms that convert gestures into images are too non-linear to faithfully represent user inputs.

They have found that 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 wigglingbut 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.”

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