Garmin Instinct 3 AMOLED vs Polar Vantage V3
Garmin Instinct 3 AMOLED (2025, listed at $499) and Polar Vantage V3 (2023, listed at $599) are both sport watches, so the choice comes down to specifics.
Specs last updated · prices are list prices
Garmin Instinct 3 AMOLED
First AMOLED Instinct — MIL-STD-810 toughness with a vivid color screen and built-in flashlight.
Polar Vantage V3
Lab-grade biometrics — ECG, skin-temp, wrist-based hemoglobin, training readiness.
The verdict
On the numbers we track, Garmin Instinct 3 AMOLED wins on battery life (18 days vs 8 days) and price ($499 vs $599); Polar Vantage V3 wins on weight (57 g vs 60 g) and tracked features (6 vs 3).
Bottom line: there is no clear winner on specs (2 to 2). Decide on phone support, how often you are willing to charge, your main sport and your budget, or run the free quiz to see how each ranks for your answers.
Spec by spec
| Spec | Garmin Instinct 3 AMOLED | Polar Vantage V3 |
|---|---|---|
| Battery (rated) | 18 days | 8 days |
| Weight | 60 g | 57 g |
| List price | $499 | $599 |
| Water rating | 10ATM | 10ATM |
| Tracked features | 3 | 6 |
| Case size | 45 mm | 47 mm |
| Display | AMOLED | AMOLED |
| Works with | both iPhone and Android | both iPhone and Android |
| Listed best for | outdoor adventure and multisport and triathlon | multisport and triathlon, running and health tracking |
| Released | 2025 | 2023 |
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 Instinct 3 AMOLED (0)
Nothing unique.
Only Polar Vantage V3 (3)
- ECG
- AMOLED display
- offline maps
Which one should you pick?
Pick the Garmin Instinct 3 AMOLED if…
- You want to spend less: it lists for $100 less.
- You want fewer charges: about 18 days per charge vs 8 days.
- Your main use is outdoor adventure: it is listed for that and the Polar Vantage V3 is not.
- You might switch phones: it works with both iPhone and Android, the Polar Vantage V3 only works with Android.
- You want the newer model (2025 vs 2023).
Pick the Polar Vantage V3 if…
- You want a lighter watch: 57 g vs 60 g.
- You need ECG, AMOLED display and offline maps, which the Garmin Instinct 3 AMOLED does not list.
- Your main use is running and health tracking: it is listed for that and the Garmin Instinct 3 AMOLED is not.
- You might switch phones: it works with both iPhone and Android, the Garmin Instinct 3 AMOLED only works with Android.
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).
Frequently asked questions
Which has better battery life, the Garmin Instinct 3 AMOLED or the Polar Vantage V3?
The Garmin Instinct 3 AMOLED has the longer rated battery life: about 18 days per charge against 8 days. These are manufacturer ratings; heavy GPS, always-on display and cellular use will cut both.
Which is cheaper, the Garmin Instinct 3 AMOLED or the Polar Vantage V3?
The Garmin Instinct 3 AMOLED has the lower list price: $499 against $599 in our database. List prices change often, so check Amazon for today's price.
Do the Garmin Instinct 3 AMOLED and Polar Vantage V3 work with iPhone and Android?
Yes, they have the same phone support: both iPhone and Android.
Which is better for swimming, the Garmin Instinct 3 AMOLED or the Polar Vantage V3?
Neither has an edge on water rating: both are rated 10ATM. 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 quizWhere each one ranks #1 in our quiz
Garmin Instinct 3 AMOLED
It is not the top pick for any standard quiz profile.
Related comparisons
- Garmin fēnix 8 vs Garmin Instinct 3 AMOLED
- Garmin fēnix 8 vs Polar Vantage V3
- Garmin Forerunner 265 vs Garmin Instinct 3 AMOLED
- Garmin Forerunner 265 vs Polar Vantage V3
- Garmin Forerunner 965 vs Garmin Instinct 3 AMOLED
- Garmin Forerunner 965 vs Polar Vantage V3
- Garmin Forerunner 570 vs Garmin Instinct 3 AMOLED
- Garmin Forerunner 570 vs Polar Vantage V3