Between the Venu 4 and Pixel Watch 3 (45mm), the Venu 4 comes out ahead in battery life, while the Pixel Watch 3 (45mm) wins on peak brightness and weight. Overall, the Venu 4 scores 58.5 and the Pixel Watch 3 (45mm) scores 46.7 on our Mars Score.
Which should you buy?
The Venu 4 is the clear pick on raw spec strength, leading by 11.8 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 Venu 4 if your top frustration with your current device is running out of charge before the day ends — endurance is the lead spec here. The biggest gaps in its favor are battery life.
Pick the Pixel Watch 3 (45mm) if the display is what you stare at all day — refresh rate, brightness, or sharpness is where the difference will be most visible. Its strongest claims are peak brightness, weight, cellular.
Both ship with comparable ecg, display size, spo2, so those specs don't separate the two — focus on the differences below.
Bottom line: the Venu 4 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Garmin - Venu 4 wins
- ▲Battery life — 633.33% more. 264 h vs 36 h.
Why Google - Pixel Watch 3 (45mm) wins
- ▲Peak brightness — 100.00% more. 2000 nits vs 1000 nits.
- ▲Weight — 8.00 g less. 37 vs 45.
- ▲Has Cellular.
Spec comparison
Design
| Spec | Garmin - Venu 4 | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Case size | 45 mm | 45 mm |
| Weight | 45 g | 37 glead |
| Case material | aluminum | aluminum |
| Water resistanceⓘ | 5 ATM | 5 ATM |
Display
| Spec | Garmin - Venu 4 | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Display size | 1.4 " | 1.4 " |
| Always-on display | true | true |
| Peak brightnessⓘ | 1000 nits | 2000 nitslead |
Health & Fitness
| Spec | Garmin - Venu 4 | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| ECG | true | true |
| SpO2 | true | true |
| Temperature sensor | true | true |
| Sleep tracking | true | true |
| Blood pressure | false | false |
Battery & Connectivity
| Spec | Garmin - Venu 4 | Google - Pixel Watch 3 (45mm) |
|---|---|---|
| Battery life | 264 hlead | 36 h |
| GPS | true | true |
| Cellular | false | truelead |
| NFC | true | true |
| OS | Garmin OSlead | WearOS |
Frequently asked
Which has longer battery life, Venu 4 or Pixel Watch 3 (45mm)?+
Venu 4 lasts 264h vs 36h.
Do Venu 4 or Pixel Watch 3 (45mm) support ECG?+
Both support ECG.
Which has cellular, Venu 4 or Pixel Watch 3 (45mm)?+
Pixel Watch 3 (45mm) offers a cellular variant; Venu 4 is Wi-Fi only.
Spec-level deep dives
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