Here is a comparative table between Riva Concert and Nest Hub. The speaker of the first product (Riva Concert) is more powerful than that of the second. Nest Hub takes up less space than Riva Concert. Nest Hub is certainly lighter than Riva Concert. Nest Hub is cheaper than Riva Concert. On Riva Concert runs Alexa and on Nest Hub runs Google Assistant. Let's go into detail with the technical data between Riva Concert and Nest Hub. Published data is always indicative and may contain errors or be subject to change. Always check official sources.