Huawei Watch GT 3 Pro vs Samsung Galaxy Watch 3
The Verdict
Huawei Watch GT 3 Pro and Samsung Galaxy Watch 3 target different priorities, with battery life being the most striking difference. The Huawei delivers an exceptional 14 days per charge thanks to its optimized HarmonyOS 2.0 and custom chipset, while Samsung's Galaxy Watch 3 manages only 1.5 to 2 days of real-world use. Both feature AMOLED displays with always-on capability, ECG, blood oxygen monitoring, and water resistance rated to 5ATM with IP68. The Galaxy Watch 3 edges ahead with WiFi and cellular connectivity options, superior display resolution at 360x360 pixels versus 466x466, and stainless steel options alongside titanium. However, the Huawei includes skin temperature monitoring absent on Samsung, plus weighs slightly more at 54g. The Galaxy Watch 3's lighter 48.2g (41mm) frame and MIL-STD-810G durability certification appeal to ruggedness seekers. For those prioritizing battery endurance and health features without constant charging, the Huawei GT 3 Pro wins decisively. Samsung Galaxy Watch 3 suits users who prefer ecosystem integration with Android phones and don't mind daily charging. The choice hinges on whether you value battery longevity or connectivity flexibility.
Who Should Buy
Buy the Huawei Watch GT 3 Pro if…
- →Premium titanium and sapphire crystal construction is luxurious
- →14-day battery life is outstanding for an AMOLED smartwatch
- →ECG and skin temperature monitoring for comprehensive health tracking
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
Huawei Watch GT 3 Pro
Pros
- Premium titanium and sapphire crystal construction is luxurious
- 14-day battery life is outstanding for an AMOLED smartwatch
- ECG and skin temperature monitoring for comprehensive health tracking
- Sapphire crystal is extremely scratch resistant
- Dual-band GPS for accurate outdoor tracking
Cons
- HarmonyOS has very limited third-party app support
- No Google Play Store or Apple App Store access
- No cellular option — requires phone for notifications
- Limited compatibility with iOS — best with Huawei phones
- NFC payments are region-restricted
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 | Huawei Watch GT 3 Pro | Samsung Galaxy Watch 3 |
|---|---|---|
| Software | HarmonyOS 2.0 | Tizen OS 5.5 |
| Body | ||
| Weight | 54 g (without strap) | 48.2 g (41mm) / 53.8 g (45mm) |
| Case material | Titanium with sapphire crystal glass | Stainless Steel / Titanium |
| Water resistance | 5ATM (IP68) | 5ATM + IP68, MIL-STD-810G |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 14 days | Up to 2 days (typical ~1.5 days) |
| Display | ||
| Size | 46mm | 41mm / 45mm |
| Type | AMOLED Always-On | Super AMOLED |
| Always-on display | ||
| Resolution | 466 x 466 | 360 x 360 |
| Processor | ||
| Chipset | Huawei custom SoC | Exynos 9110 |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.2 | 5.0 |
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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.
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