Fitbit Sense vs Samsung Galaxy Watch8
The Verdict
The Fitbit Sense and Samsung Galaxy Watch8 sit in the same category and end up appealing to slightly different buyers. Both launched at roughly the same price ($299 vs $300), so cost is unlikely to be the deciding factor. The Samsung Galaxy Watch8 is the newer release, which usually means a faster chipset and longer software support. Fitbit Sense stands out for most comprehensive health sensor suite at launch — eda, ecg, spo2, skin temp, while Samsung Galaxy Watch8 is praised for thinnest galaxy watch at 8.6mm. Use the side-by-side spec table below to compare cameras, displays, battery life and connectivity in detail and decide which one fits your priorities.
Who Should Buy
Buy the Fitbit Sense if…
- →Most comprehensive health sensor suite at launch — EDA, ECG, SpO2, skin temp
- →6+ day battery outlasts Apple Watch and Samsung Galaxy Watch
- →Built-in GPS for phone-free outdoor workouts
Buy the Samsung Galaxy Watch8 if…
- →Thinnest Galaxy Watch at 8.6mm
- →3nm Exynos W1000 processor
- →3000 nits peak brightness
Pros & Cons
Fitbit Sense
Pros
- Most comprehensive health sensor suite at launch — EDA, ECG, SpO2, skin temp
- 6+ day battery outlasts Apple Watch and Samsung Galaxy Watch
- Built-in GPS for phone-free outdoor workouts
- Stress management score with EDA sensor is unique
- NFC for Fitbit Pay contactless payments
Cons
- Fitbit OS app ecosystem is very limited compared to watchOS/Wear OS
- Capacitive button is unreliable and frustrating to press
- Many advanced features require Fitbit Premium subscription ($10/mo)
- Google acquisition created uncertainty about Fitbit OS future
Samsung Galaxy Watch8
Pros
- Thinnest Galaxy Watch at 8.6mm
- 3nm Exynos W1000 processor
- 3000 nits peak brightness
- Wear OS 6 with Gemini AI assistant
- Dual-frequency GPS
Cons
- $300 starting price for base model
- Battery life varies heavily with AOD
- Limited third-party watch face selection on Wear OS
Full Specifications
| Spec | Fitbit Sense | Samsung Galaxy Watch8 |
|---|---|---|
| Software | Fitbit OS | Wear OS 6 with Gemini |
| Body | ||
| Weight | 45.9 g | 28.8 g (40mm) |
| Case material | Aluminum | Armor Aluminum |
| Water resistance | 5ATM | 5ATM + IP68, MIL-STD-810H |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 6+ days | Up to 40 hours |
| Display | ||
| Size | 40mm (1.58 inches) | 40mm / 44mm |
| Type | AMOLED | Super AMOLED |
| Always-on display | ||
| Resolution | 336 x 336 | 480 x 480 (44mm) |
| Processor | ||
| Chipset | Fitbit custom processor | Exynos W1000 (3nm) |
| RAM | — | 2 GB |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.3 |
Want to compare a third product?
Add another product for a 3-way comparison.
Related Comparisons
This comparison is based on verified manufacturer specifications covering display, performance, camera, battery, and build quality. Scores are generated by analyzing specs across weighted categories on a 10-point scale. Learn more about our methodology.
Explore more in smartwatches, see all Fitbit products or all Samsung products. View full details for the Fitbit Sense or the Samsung Galaxy Watch8.