Fitbit Sense 2 vs Garmin Venu 4 45mm
Which one should you buy?
Who leads where?
- Health Sensors and FeaturesGarmin Venu 4 45mm
- DisplayGarmin Venu 4 45mm
- KasaFitbit Sense 2
- Positioning and GNSSGarmin Venu 4 45mm
- Battery and ChargingFitbit Sense 2
- ConnectivityFitbit Sense 2
Wins are counted from the official values in the table below; the BUY / CONSIDER / WAIT call comes from each product's own decision box. We do not predict prices.
 FitbitFitbit Sense 2No reviews yet |  GarminGarmin Venu 4 45mmNo reviews yet | |
|---|---|---|
| Key Differences | ||
| Case Size | 40.5 mm | 45 mm |
| Battery Life | up to 144 hours | up to 96 hours |
| ECG App | Yes | Yes |
| Water Resistance | 50m | 5 ATM |
| Health Sensors and Features | ||
| Heart Rate Sensor | Yes | Yes |
| SpO2 Sensor | Yes | Yes |
| ECG Sensor | Yes | — |
| Skin Temperature Sensor | Yes | Yes |
| ECG App | Yes | Yes |
| Sleep Tracking | — | Yes |
| Crash Detection | — | Yes |
| Display | ||
| Size | — | 1.4" |
| Panel | AMOLED | AMOLED |
| Resolution | — | 454x454 |
| Always-On Display | — | Yes |
| Kasa | ||
| Case Size | 40.5 mm | 45 mm |
| Case Thickness | 11.2 mm | 12.5 mm |
| Weight | 37.64 g | 38 g |
| Case Material | Aluminum | Stainless steel and fibre-reinforced polymer |
| Front Glass | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| Strap Width | — | 22 mm |
| Positioning and GNSS | ||
| GNSS Receiver | Yes | Yes |
| Dual-Band GNSS | — | Yes |
| GNSS Systems | GPS, GLONASS | GPS, GLONASS, Galileo, QZSS, BeiDou |
| Battery and Charging | ||
| The figure the maker states | up to 144 hours | up to 96 hours |
| What that figure measures | Normal use | With always-on display on |
| Charging Type | — | Garmin proprietary charging cable |
| Water and Dust Resistance | ||
| Water Resistance | 50m | 5 ATM |
| Performance | ||
| Storage | — | 8 GB |
| Connectivity | ||
| NFC | Yes | — |
| Speaker | Yes | Yes |
| Microphone | Yes | Yes |
| Software | ||
| Phone Compatibility | Android 11.0 and above, iOS 16.4 and above | iPhone and Android |
Fitbit Sense 2 leads on 5 of 9 compared specs.
This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.