This app measures the arithmetic and graphics performance of Android devices in order to develop a rank-order chart. It also includes a spectrogram to analyze live sounds.
Give it a try and send me, the developer, your benchmark results. The app has an email function. The next version of the app will have an improved chart that includes your device data as anonymous averages for each model.
The app is )s) Benchmark One, by Simplecode.com, US $1.05