Apple Watch SE (1st Gen) vs Fitbit Sense
The Verdict
Apple Watch SE delivers superior smartwatch performance with the S5 chip enabling faster app loading and smoother navigation, plus watchOS 10 compatibility for future software support. Its 40/44mm size options and lighter weight (30-36g) suit various wrists better than Fitbit's heavier 45.9g frame. However, Fitbit Sense dominates health tracking with ECG, SpO2, and skin temperature monitoring,features the SE completely lacks. Battery life represents the most significant gap: Fitbit stretches 6+ days versus Apple's 18-hour requirement for daily charging. Fitbit's always-on display proves more practical for glance-check metrics. Both offer GPS, NFC, and water resistance suitable for swimming. At $279 versus $299, Apple Watch SE wins for ecosystem integration and performance, while Fitbit Sense appeals to health-conscious users prioritizing advanced biometrics and convenience. Choose SE for iPhone integration and app ecosystem; select Sense for comprehensive health data without daily charging.
Who Should Buy
Buy the Apple Watch SE (1st Gen) if…
- →Affordable entry into the Apple Watch ecosystem with core features
- →Same large display as Series 6 — no visible compromise
- →Fall detection and emergency SOS for safety
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
Category Scores
Pros & Cons
Apple Watch SE (1st Gen)
Pros
- Affordable entry into the Apple Watch ecosystem with core features
- Same large display as Series 6 — no visible compromise
- Fall detection and emergency SOS for safety
- Compass and always-on altimeter for outdoor activities
- Family Setup enables use for kids without an iPhone
Cons
- No Always-On display — must raise wrist to see the time
- Older S5 chip — slower than the 2022 SE's S8
- No ECG, SpO2, or blood oxygen monitoring
- No fast charging — takes about 2.5 hours for full charge
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
Full Specifications
| Spec | Apple Watch SE (1st Gen) | Fitbit Sense |
|---|---|---|
| Software | watchOS 7 (upgradable to watchOS 10) | Fitbit OS |
| Body | ||
| Weight | 30.49 g (40mm) / 36.2 g (44mm) | 45.9 g |
| Case material | Aluminum | Aluminum |
| Water resistance | WR50 (50m) | 5ATM |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 18 hours | Up to 6+ days |
| Display | ||
| Size | 40mm / 44mm | 40mm (1.58 inches) |
| Type | LTPO OLED Retina | AMOLED |
| Always-on display | ||
| Resolution | 324 x 394 / 368 x 448 | 336 x 336 |
| Processor | ||
| Chipset | Apple S5 SiP | Fitbit custom processor |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.0 |
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 Apple products or all Fitbit products. View full details for the Apple Watch SE (1st Gen) or the Fitbit Sense.