Amazfit GTS 4 vs Apple Watch Series 6
The Verdict
Amazfit GTS 4 delivers exceptional value at $199, featuring a vibrant AMOLED display, impressive 8-day battery life, and solid health tracking with SpO2 and heart rate monitoring. Apple Watch Series 6 ($399) counters with superior processing power via the S6 SiP, ECG functionality, NFC for payments, LTE connectivity options, and tighter ecosystem integration with iPhone. Display quality favors Apple's LTPO OLED Retina technology, though Amazfit's 390x450 resolution remains sharp. Battery life dramatically differs,Amazfit lasts 8 days versus Apple's 18 hours, a significant practical advantage. Connectivity varies substantially: Apple offers NFC and optional cellular, while Amazfit omits both. For fitness-focused users prioritizing battery longevity and affordability, the GTS 4 excels. Apple Watch Series 6 suits those deeply embedded in the Apple ecosystem who value comprehensive health features and seamless integration. Consider budget constraints and ecosystem preference as primary decision factors.
Who Should Buy
Buy the Amazfit GTS 4 if…
- →Large 1.75" AMOLED display is bright and vivid for the price
- →Dual-band GPS provides accurate outdoor tracking rivaling Garmin
- →Ultra-lightweight at 27 g — one of the lightest smartwatches available
Buy the Apple Watch Series 6 if…
- →First Apple Watch with blood oxygen (SpO2) monitoring
- →Always-On display is 2.5x brighter outdoors than Series 5
- →U1 chip enables precise Find My features and car key unlock
Category Scores
Pros & Cons
Amazfit GTS 4
Pros
- Large 1.75" AMOLED display is bright and vivid for the price
- Dual-band GPS provides accurate outdoor tracking rivaling Garmin
- Ultra-lightweight at 27 g — one of the lightest smartwatches available
- 8-day battery comfortably outlasts Apple Watch and Galaxy Watch
- 150+ sport modes cover virtually every activity
Cons
- Zepp OS has a very limited third-party app ecosystem
- No NFC for contactless payments in most markets
- Notification interaction is basic — can't reply to messages
- Build quality feels less premium than Apple or Samsung at this price
Apple Watch Series 6
Pros
- First Apple Watch with blood oxygen (SpO2) monitoring
- Always-On display is 2.5x brighter outdoors than Series 5
- U1 chip enables precise Find My features and car key unlock
- S6 chip is 20% faster than S5 — noticeably snappier
- Multiple premium case materials including titanium and blue aluminum
Cons
- 18-hour battery still requires daily charging
- SpO2 readings are for wellness only — not medical grade
- No keyboard input — smaller bezels came in Series 7
- Charging speed is slow compared to Series 7+
Full Specifications
| Spec | Amazfit GTS 4 | Apple Watch Series 6 |
|---|---|---|
| Software | Zepp OS 2.0 | watchOS 7 (upgradable to watchOS 11+) |
| Body | ||
| Weight | 27 g (without strap) | 30.5 g (40mm Al) / 36.2 g (44mm Al) |
| Case material | Aluminum alloy | Aluminum / Stainless Steel / Titanium |
| Water resistance | 5ATM | WR50 (50m) |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 8 days (typical usage) | Up to 18 hours |
| Display | ||
| Size | 42mm (1.75 inches) | 40mm / 44mm |
| Type | AMOLED | LTPO OLED Always-On Retina |
| Always-on display | ||
| Resolution | 390 x 450 | 324 x 394 / 368 x 448 |
| Processor | ||
| Chipset | Huami custom processor | Apple S6 SiP |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 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.
Explore more in smartwatches, see all Amazfit products or all Apple products. View full details for the Amazfit GTS 4 or the Apple Watch Series 6.