Between the Galaxy Watch Ultra 2 and Venu 3, the Galaxy Watch Ultra 2 comes out ahead in peak brightness and display size, while the Venu 3 wins on battery life and weight. Overall, the Galaxy Watch Ultra 2 scores 50.8 and the Venu 3 scores 62 on our Mars Score.
Which should you buy?
The Venu 3 is the clear pick on raw spec strength, leading by 11.2 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Galaxy Watch Ultra 2 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, water resistance, among others.
Pick the Venu 3 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, weight.
Both ship with comparable ecg, spo2, so those specs don't separate the two — focus on the differences below.
Bottom line: the Venu 3 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Samsung - Galaxy Watch Ultra 2 wins
- ▲Peak brightness — 200.00% more. 3000 nits vs 1000 nits.
- ▲Display size — 7.14% more. 1.5 " vs 1.4 ".
- ▲Water resistance — 5.00 ATM more. 10 vs 5.
- ▲Has Cellular.
Why Garmin - Venu 3 wins
- ▲Battery life — 460.00% more. 336 h vs 60 h.
- ▲Weight — 13.00 g less. 47 vs 60.
Spec comparison
Design
| Spec | Samsung - Galaxy Watch Ultra 2 | Garmin - Venu 3 |
|---|---|---|
| Case size | 47 mmlead | 45 mm |
| Weight | 60 g | 47 glead |
| Case material | titanium | stainless steel |
| Water resistanceⓘ | 10 ATMlead | 5 ATM |
Display
| Spec | Samsung - Galaxy Watch Ultra 2 | Garmin - Venu 3 |
|---|---|---|
| Display size | 1.5 "lead | 1.4 " |
| Always-on display | true | true |
| Peak brightnessⓘ | 3000 nitslead | 1000 nits |
Health & Fitness
| Spec | Samsung - Galaxy Watch Ultra 2 | Garmin - Venu 3 |
|---|---|---|
| ECG | true | true |
| SpO2 | true | true |
| Temperature sensor | true | true |
| Sleep tracking | true | true |
| Blood pressure | truelead | false |
Battery & Connectivity
| Spec | Samsung - Galaxy Watch Ultra 2 | Garmin - Venu 3 |
|---|---|---|
| Battery life | 60 h | 336 hlead |
| GPS | true | true |
| Cellular | truelead | false |
| NFC | true | true |
| OS | WearOS | Garmin OSlead |
Frequently asked
Which has longer battery life, Galaxy Watch Ultra 2 or Venu 3?+
Venu 3 lasts 336h vs 60h.
Do Galaxy Watch Ultra 2 or Venu 3 support ECG?+
Both support ECG.
Which has cellular, Galaxy Watch Ultra 2 or Venu 3?+
Galaxy Watch Ultra 2 offers a cellular variant; Venu 3 is Wi-Fi only.
Spec-level deep dives
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