Amazfit GTR 4 vs Samsung Galaxy Watch 3
The Verdict
Amazfit GTR 4 and Samsung Galaxy Watch 3 target different user priorities. Amazfit delivers exceptional battery longevity,up to 14 days normal use versus Galaxy Watch 3's mere 1.5 days,making it ideal for users who prioritize minimal charging. Its AMOLED display matches Samsung's quality at 466x466 resolution, while offering NFC and GPS in a lighter 34g aluminum frame. Samsung Galaxy Watch 3 counters with superior build quality (stainless steel/titanium), ECG capability for advanced cardiac monitoring, optional LTE connectivity, and deeper Samsung ecosystem integration via Tizen OS. Battery life remains the critical differentiator: GTR 4 owners charge monthly; Galaxy Watch 3 users charge every 1-2 days. For fitness tracking, both excel equally with heart rate and SpO2 monitoring. Budget-conscious buyers seeking minimal maintenance prefer GTR 4's two-week endurance. Those valuing medical-grade features and seamless smartphone integration should choose Galaxy Watch 3. The GTR 4 represents substantially better value at $199 versus $399.
Who Should Buy
Buy the Amazfit GTR 4 if…
- →Large 1.43" AMOLED display is sharp and vivid with always-on option
- →Dual-band GPS rivals Garmin for outdoor tracking accuracy
- →14-day battery is outstanding for an AMOLED smartwatch
Buy the Samsung Galaxy Watch 3 if…
- →Physical rotating bezel provides tactile, satisfying navigation
- →Premium stainless steel build with classic watch aesthetics
- →ECG and SpO2 monitoring were cutting-edge at launch
Category Scores
Pros & Cons
Amazfit GTR 4
Pros
- Large 1.43" AMOLED display is sharp and vivid with always-on option
- Dual-band GPS rivals Garmin for outdoor tracking accuracy
- 14-day battery is outstanding for an AMOLED smartwatch
- Built-in speaker and microphone for Bluetooth phone calls
- 150+ sport modes with auto-detection for common activities
Cons
- Zepp OS app ecosystem is extremely limited
- No NFC for contactless payments in most regions
- Cannot reply to notifications — view and dismiss only
- Build quality and software polish trail Apple and Samsung
Samsung Galaxy Watch 3
Pros
- Physical rotating bezel provides tactile, satisfying navigation
- Premium stainless steel build with classic watch aesthetics
- ECG and SpO2 monitoring were cutting-edge at launch
- Fall detection with automatic SOS alerts
- Thinner and lighter than Galaxy Watch (2018)
Cons
- Tizen OS is now discontinued — no new app development
- Battery life of 1.5 days typical requires frequent charging
- Older Exynos 9110 is noticeably slower than W920
- Heavy at 48-54 g — uncomfortable for sleep tracking
Full Specifications
| Spec | Amazfit GTR 4 | Samsung Galaxy Watch 3 |
|---|---|---|
| Software | Zepp OS 2.0 | Tizen OS 5.5 |
| Body | ||
| Weight | 52 g (without strap) | 48.2 g (41mm) / 53.8 g (45mm) |
| Case material | Aluminum alloy with stainless steel crown | Stainless Steel / Titanium |
| Water resistance | 5ATM | 5ATM + IP68, MIL-STD-810G |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 14 days (typical usage) | Up to 2 days (typical ~1.5 days) |
| Display | ||
| Size | 46mm (1.43 inches) | 41mm / 45mm |
| Type | AMOLED | Super AMOLED |
| Always-on display | ||
| Resolution | 466 x 466 | 360 x 360 |
| Processor | ||
| Chipset | Huami custom processor | Exynos 9110 |
| 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 Amazfit products or all Samsung products. View full details for the Amazfit GTR 4 or the Samsung Galaxy Watch 3.