Fitbit Inspire 3 vs Samsung Galaxy Watch8
The Verdict
The Fitbit Inspire 3 and Samsung Galaxy Watch8 sit in the same category and end up appealing to slightly different buyers. The Fitbit Inspire 3 is the cheaper of the two at $99 versus $300, a difference of about $201. The Samsung Galaxy Watch8 is the newer release, which usually means a faster chipset and longer software support. Fitbit Inspire 3 stands out for 10-day battery life — charge once and forget for well over a week, 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 Inspire 3 if…
- →10-day battery life — charge once and forget for well over a week
- →Color AMOLED display is a huge upgrade over Inspire 2's grayscale
- →Ultra-lightweight at 20 g — perfect for sleep tracking
Buy the Samsung Galaxy Watch8 if…
- →Thinnest Galaxy Watch at 8.6mm
- →3nm Exynos W1000 processor
- →3000 nits peak brightness
Pros & Cons
Fitbit Inspire 3
Pros
- 10-day battery life — charge once and forget for well over a week
- Color AMOLED display is a huge upgrade over Inspire 2's grayscale
- Ultra-lightweight at 20 g — perfect for sleep tracking
- SpO2 and skin temperature sensors at just $99
- 5ATM water resistance for swimming
Cons
- No built-in GPS — relies on phone GPS for outdoor tracking
- No NFC — cannot use Fitbit Pay
- Tiny screen limits notification readability
- Best health insights locked behind Fitbit Premium subscription
- No always-on display option
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 Inspire 3 | Samsung Galaxy Watch8 |
|---|---|---|
| Software | Fitbit OS | Wear OS 6 with Gemini |
| Body | ||
| Weight | 20 g | 28.8 g (40mm) |
| Case material | Plastic resin | 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 10 days | Up to 40 hours |
| Display | ||
| Size | 0.73 inches | 40mm / 44mm |
| Type | AMOLED | Super AMOLED |
| Always-on display | ||
| Resolution | 256 x 124 | 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 Inspire 3 or the Samsung Galaxy Watch8.