Garmin Forerunner 165 vs Garmin Forerunner 965

Garmin Forerunner 165 (19 h GPS, 39 g) vs Garmin Forerunner 965 (31 h GPS, 53 g). Side-by-side spec comparison: battery, weight, maps, multi-band GPS and price. Which GPS watch should you buy?

Garmin Forerunner 165GarminGarmin Forerunner 165

Entry-level running watch with a 1.2" AMOLED display, 19 h GPS battery and just 39 g. Training metrics, adaptive plans and accurate multi-GNSS GPS for training and racing marathons. Garmin's gateway watch for runners who don't need maps or multi-band.

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Garmin Forerunner 965GarminGarmin Forerunner 965

Premium running watch with a 1.4" AMOLED display, onboard topo maps, multi-band GPS and music. Up to 31 h in GPS mode (19 h multi-band) and 23 days in smartwatch mode, at just 53 g. Garmin's top running watch without the bulk of a Fenix: ideal for marathons and single-day ultras with accurate navigation.

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Spec-by-spec comparison

SpecGarmin Forerunner 165Garmin Forerunner 965
GPS battery19 h31 h
Multi-band battery19 h
Smartwatch11 days23 days
Weight39 g53 g
Maps
Multi-band
Music
DisplayAMOLEDAMOLED
PriceEntryHigh-end

GPS battery = each manufacturer's standard GPS mode; multi-band = dual-frequency (maximum accuracy). On Suunto, Polar Grit and Amazfit T-Rex the GPS figure already corresponds to dual-band mode. Figures verified against the manufacturer.

Verdict

For maximum autonomy on long ultras, Garmin Forerunner 965 lasts longer in GPS mode. If you want the lightest watch on your wrist, go for Garmin Forerunner 165. Only Garmin Forerunner 965 brings onboard topo maps for navigation. On budget, Garmin Forerunner 165 is the more affordable option.

View on Amazon: Garmin Forerunner 165View on Amazon: Garmin Forerunner 965

Frequently asked questions

Which lasts longer, Garmin Forerunner 165 or Garmin Forerunner 965?
Garmin Forerunner 165 offers 19 h of GPS battery and Garmin Forerunner 965 offers 31 h, so Garmin Forerunner 965 lasts longer for long efforts.
Which one is lighter?
Garmin Forerunner 165 weighs 39 g and Garmin Forerunner 965 weighs 53 g; Garmin Forerunner 165 is the lighter of the two.
Do both have onboard maps?
Only Garmin Forerunner 965 includes onboard topo maps.
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