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Head-to-head · sportwatch

Garmin Forerunner 965 vs Garmin Instinct 3 Solar

Garmin Forerunner 965 (2023, listed at $599) and Garmin Instinct 3 Solar (2025, listed at $449) are both sport watches, so the choice comes down to specifics.

Specs last updated · prices are list prices

Leads on raw specs: Garmin Instinct 3 Solar(2–3)
Garmin Forerunner 965
sportwatch

Garmin Forerunner 965

Best AMOLED running watch — full-color maps, training readiness and 23-day everyday battery.

$599list price
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Garmin Instinct 3 Solar
sportwatch

Garmin Instinct 3 Solar

Solar-charged tank — months of battery, MIL-STD-810 toughness, brilliant always-on MIP screen.

$449list price
Affiliate link — we may earn a commission at no cost to you.

The verdict

On the numbers we track, Garmin Forerunner 965 wins on weight (53 g vs 58 g) and tracked features (7 vs 3); Garmin Instinct 3 Solar wins on battery life (24 days vs 23 days), price ($449 vs $599) and water rating (10ATM vs 5ATM).

Bottom line: on raw specs the Garmin Instinct 3 Solar leads 3 to 2, but five spec categories are only a starting point. Match it to your phone, your main sport and your budget before you decide, or run the free quiz to see how each ranks for your answers.

Spec by spec

Garmin Forerunner 965 and Garmin Instinct 3 Solar specifications
SpecGarmin Forerunner 965Garmin Instinct 3 Solar
Battery (rated)23 days24 days
Weight53 g58 g
List price$599$449
Water rating5ATM10ATM
Tracked features73
Case size47 mm45 mm
DisplayAMOLEDMIP
Works withboth iPhone and Androidboth iPhone and Android
Listed best forrunning and multisport and triathlonoutdoor adventure and multisport and triathlon
Released20232025

Trophy marks the better value on the five measurable specs. Battery is the manufacturer's rating, not our test. How we score is on the methodology page.

Feature overlap

Both have (3)

  • built-in GPS
  • blood-oxygen (SpO₂)
  • swim tracking

Only Garmin Forerunner 965 (4)

  • on-device music
  • contactless payments
  • AMOLED display
  • offline maps

Only Garmin Instinct 3 Solar (0)

Nothing unique.

Which one should you pick?

Pick the Garmin Forerunner 965 if…

  • You want a lighter watch: 53 g vs 58 g.
  • You need on-device music, contactless payments, AMOLED display and offline maps, which the Garmin Instinct 3 Solar does not list.
  • Your main use is running: it is listed for that and the Garmin Instinct 3 Solar is not.
  • You might switch phones: it works with both iPhone and Android, the Garmin Instinct 3 Solar only works with Android.
  • You want a bright AMOLED screen.

Skip it if…

  • • You have a small wrist (under about 160 mm) — the 47 mm case we list is large (check whether a smaller size is sold).

Pick the Garmin Instinct 3 Solar if…

  • You want to spend less: it lists for $150 less.
  • You want fewer charges: about 24 days per charge vs 23 days.
  • Your main use is outdoor adventure: it is listed for that and the Garmin Forerunner 965 is not.
  • You might switch phones: it works with both iPhone and Android, the Garmin Forerunner 965 only works with Android.
  • You want the newer model (2025 vs 2023).

Skip it if…

  • • You want a bright, vivid AMOLED screen — this one uses a lower-power display.

Frequently asked questions

Which has better battery life, the Garmin Forerunner 965 or the Garmin Instinct 3 Solar?

The Garmin Instinct 3 Solar has the longer rated battery life: about 24 days per charge against 23 days. These are manufacturer ratings; heavy GPS, always-on display and cellular use will cut both.

Which is cheaper, the Garmin Forerunner 965 or the Garmin Instinct 3 Solar?

The Garmin Instinct 3 Solar has the lower list price: $449 against $599 in our database. List prices change often, so check Amazon for today's price.

Do the Garmin Forerunner 965 and Garmin Instinct 3 Solar work with iPhone and Android?

Yes, they have the same phone support: both iPhone and Android.

Which is better for swimming, the Garmin Forerunner 965 or the Garmin Instinct 3 Solar?

Garmin Forerunner 965: 5ATM is suitable for showering and pool swimming, but not for high-speed water sports or diving. Garmin Instinct 3 Solar: 10ATM is suitable for swimming and surface water sports. It is not a dive rating unless the maker says so.

Not sure either is right for you?

Nine questions about your phone, sport, wrist and budget, scored against all of our watches with the reasoning shown.

Take the free quiz

Where each one ranks #1 in our quiz

Garmin Forerunner 965

It is not the top pick for any standard quiz profile.