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Garmin
Garmin Venu 4 (45 mm)
Garmin Venu 4 (45 mm) wearable normalized across health sensors, battery, comfort, durability, compatibility, and ownership cost.
Bettr Than Score · Balanced
50.9/100
WearablesOpen comparison 
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Google Fitbit Air
Google Fitbit Air wearable normalized across health sensors, battery, comfort, durability, compatibility, and ownership cost.
Bettr Than Score · Balanced
49.1/100
Category-specific score
What matters most to you?
Value, endurance, comfort, durability, and broadly useful health sensors.
Garmin Venu 4 (45 mm)
50.9 / 100
Google Fitbit Air
49.1 / 100
100% supported scoring weight · 15 shared fields.
How this score works
- Reference price: 20% · Google Fitbit Air has the favorable value
- Advertised battery life: 20% · Garmin Venu 4 (45 mm) has the favorable value
- Device weight: 15% · Google Fitbit Air has the favorable value
- Water resistance: 10% · equal
- Built-in GPS: 8% · Garmin Venu 4 (45 mm) has the favorable value
- Continuous heart rate: 5% · equal
- ECG capability: 7% · Garmin Venu 4 (45 mm) has the favorable value
- Blood oxygen sensing: 5% · equal
- Temperature sensing: 5% · Garmin Venu 4 (45 mm) has the favorable value
- Sleep tracking: 5% · equal
Device type, phone compatibility, fit, coaching quality, and medical availability are personal or regional. A missing or inapplicable feature is excluded rather than treated as a loss.
Side-by-side specifications
| Garmin Venu 4 (45 mm) | Specification | Google Fitbit Air |
|---|---|---|
$549.99 | Reference price | $99.99 |
smartwatch | Device type | fitness-tracker |
12 days | Advertised battery life | 7 days |
56 g | Device weight | 12 g |
50 m | Water resistance | 50 m |
Yes | Built-in GPS | No |
Yes | Continuous heart rate | Yes |
Yes | ECG capability | No |
Yes | Blood oxygen sensing | Yes |
Yes | Temperature sensing | No |
Yes | Sleep tracking | Yes |
Yes | On-device display | No |
Yes | iPhone support | Yes |
Yes | Android support | Yes |
None | Required subscription | None |
Evidence-based guidance · Balanced model
Garmin Venu 4 (45 mm) leads on the balanced wearables model
Based on 15 shared sourced fields and 100% balanced scoring coverage. Device type, phone compatibility, fit, coaching quality, and medical availability are personal or regional. A missing or inapplicable feature is excluded rather than treated as a loss.
Consider Garmin Venu 4 (45 mm) for advertised battery life (12 days), built-in gps (Yes), ecg capability (Yes), temperature sensing (Yes).
Consider Google Fitbit Air for reference price ($99.99), device weight (12 g).
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Where to buy Garmin Venu 4 (45 mm)
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Prices and availability can change. Totals exclude tax. Lowest-listed labels compare only fresh, in-stock offers with known shipping in the same currency. Sponsored status never changes their order.
Where to buy Google Fitbit Air
We may earn a commission when you buy through links marked “Affiliate link.” This does not change your price or our scores. How we earn
No verified retailer offers are available yet.
Prices and availability can change. Totals exclude tax. Lowest-listed labels compare only fresh, in-stock offers with known shipping in the same currency. Sponsored status never changes their order.