Between the Watch Series 11 (45mm) and Vantage V3, the Watch Series 11 (45mm) comes out ahead in peak brightness and display size, while the Vantage V3 wins on battery life. Overall, the Watch Series 11 (45mm) scores 60.5 and the Vantage V3 scores 53.5 on our Mars Score.
Which should you buy?
The Watch Series 11 (45mm) edges ahead on the Mars Score (60.5 vs 53.5), but the 7.0-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the Watch Series 11 (45mm) if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. The biggest gaps in its favor are peak brightness, display size, weight, among others.
Pick the Vantage V3 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. Its strongest claims are battery life.
Both ship with comparable ecg, spo2, water resistance, so those specs don't separate the two — focus on the differences below.
Bottom line: the Watch Series 11 (45mm) is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Apple - Watch Series 11 (45mm) wins
- ▲Peak brightness — 200.00% more. 3000 nits vs 1000 nits.
- ▲Display size — 38.13% more. 1.92 " vs 1.39 ".
- ▲Weight — 19.00 g less. 38 vs 57.
- ▲Has Cellular.
Why Polar - Vantage V3 wins
- ▲Battery life — 366.67% more. 168 h vs 36 h.
Spec comparison
Design
| Spec | Apple - Watch Series 11 (45mm) | Polar - Vantage V3 |
|---|---|---|
| Case size | 45 mm | 47 mmlead |
| Weight | 38 glead | 57 g |
| Case material | aluminum | aluminum |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Display
| Spec | Apple - Watch Series 11 (45mm) | Polar - Vantage V3 |
|---|---|---|
| Display size | 1.92 "lead | 1.39 " |
| Always-on display | true | true |
| Peak brightnessⓘ | 3000 nitslead | 1000 nits |
Health & Fitness
| Spec | Apple - Watch Series 11 (45mm) | Polar - Vantage V3 |
|---|---|---|
| ECG | true | true |
| SpO2 | true | true |
| Temperature sensor | true | true |
| Sleep tracking | true | true |
| Blood pressure | false | false |
Battery & Connectivity
| Spec | Apple - Watch Series 11 (45mm) | Polar - Vantage V3 |
|---|---|---|
| Battery life | 36 h | 168 hlead |
| GPS | true | true |
| Cellular | truelead | false |
| NFC | truelead | false |
| OS | watchOS | Polar OSlead |
Frequently asked
Which has longer battery life, Watch Series 11 (45mm) or Vantage V3?+
Vantage V3 lasts 168h vs 36h.
Do Watch Series 11 (45mm) or Vantage V3 support ECG?+
Both support ECG.
Which has cellular, Watch Series 11 (45mm) or Vantage V3?+
Watch Series 11 (45mm) offers a cellular variant; Vantage V3 is Wi-Fi only.
Spec-level deep dives
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