The iphone 5 touch screens are fast in terms of responsiveness but the latest study conducted by test automation firm OptoFidelity suggest that the new iPhone 5s and iPhone 5c can’t track your finger as accurately as the Samsung Galaxy S III.
The test was performed by an home-brewed accurate robotic finger that touched the screen at specific coordinates and compared it to what the phone reports as the touch coordinates.
The test was performed on both iphone 5 and Galaxy s3.The Samsung Galaxy S III is accurate over the whole screen except for the very edge, while both the iPhone 5s and 5c screens are accurate only over a relatively small area in the bottom half of the screen which is princely where the onscreen key board is.
Above shows the chart made by optofidelity green means the reported coordinates are accurate to within a millimeter, while red means an error of over a millimeter.One millimeter may not sound like much but when it come to real life application these small things matters a lot.
Since the iPhones are especially inaccurate around the edgest ,the letters on outlying keys such as Q, O and P on the on-screen keyboard are hard to hit. The below diagram shows accuracy chart overlays the top row of the iPhone keyboard.
In the diagram below you could that there are no green dot near to the letters P and O,which means these letters will be the most difficult to get.whereas in the case of galaxy s3 you could see there are some green dots on the both letters and hence you could get good touch accuracy in that.so if the next time if you ever have problem with touch accuracy in iphone 5s or 5c,now you know why...
Testing procedure in Optofidelity home-brewed accurate robotic finger
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