On this page we compare Riva Concert and Amazon Echo Input. Riva Concert is more cumbersome than Amazon Echo Input. Amazon Echo Input is certainly lighter than Riva Concert. Riva Concert is priced higher than Amazon Echo Input. The two products are based on the same artificial intelligence software (Alexa). Let's go into detail with the technical data between Riva Concert and Amazon Echo Input. Published data is always indicative and may contain errors or be subject to change. Always check official sources.