The Garmin Edge 830 is an upgrade on the Garmin Edge 820. In this post, we evaluate how the two compare. The Garmin Edge 830 offers a host of great features that are not included on the Edge 820. These features will be of special interest to those interested in cycling training, long-distance rides, and mountain biking. In this post we sum up 9 of the great features. You can use this post to decide if these upgrades have value for your own cycling needs. Is this bike computer the one for you? Or will the Garmin Edge 820 meet all your needs, at a lower price?