Descent Mk2i vs Garmin Forerunner 165
Side-by-side on the specs that matter, with category winners and an opinionated take to help you decide.
The VerdictAI-generated · editor-reviewed
This is a choice between a rugged, feature-rich dive computer and a streamlined, modern running watch.
ADescent Mk2i
Pick the Descent Mk2i if you're a serious diver who needs subsurface navigation and air integration.
BGarmin Forerunner 165
Pick the Garmin Forerunner 165 if you're a runner or daily athlete who wants a lightweight, GPS-focused smartwatch.
Trade-offs to own
- —The Descent Mk2i is bulkier and more specialized, while the Forerunner 165 is slimmer and better for daily wear.
- —The Mk2i offers advanced dive metrics and air monitoring, which the Forerunner 165 completely lacks.
- —The Forerunner 165 provides modern running dynamics and daily health tracking in a more accessible package.
Full specs
Ask about this comparison
Ask anything — we'll answer with Descent Mk2i and Garmin Forerunner 165 in mind.
Check price
Descent Mk2i
Check price
Garmin Forerunner 165
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.