Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
This choice pits a dedicated cycling computer against a versatile running watch.
Pick the Edge 840 if your primary activity is cycling and you need advanced bike-specific navigation and sensor integration.
Pick the Garmin Forerunner 55 if you are a runner or multi-sport athlete wanting a lightweight, everyday fitness watch.
Ask anything — we'll answer with Edge 840 and Garmin Forerunner 55 in mind.
Pindear may earn a commission when you buy through these links. Winners are determined by numeric spec comparisons only; non-numeric features (app quality, ecosystem, real-world feel) are covered in the verdict.
Ask me anything about smart hardware