ELI5: Explain Like I'm 5

Price–performance ratio

The price–performance ratio is a way to compare how much something costs to how good it is. For example, you are deciding between two TVs. One costs $200 and the other costs $500. The price–performance ratio would help you decide which one would be the better choice by looking at how well each one works, such as how clear the picture is, how good the sound is, and other factors. The TV with the better price–performance ratio would be the one that costs less and works better than the other one.
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