Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
The choice is between a dedicated cycling computer and a versatile running watch, for a pro who needs specialized tools.
Pick Edge 840 if you're a serious cyclist who demands advanced bike-specific metrics and navigation.
Pick Garmin Forerunner 55 if you're a runner or multisport athlete who values a lightweight, all-day wearable.
Ask anything — we'll answer with Edge 840 and Garmin Forerunner 55 in mind for pro use.
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.
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