Amazfit GTS 4 Mini vs OnePlus Watch 2
The Verdict
Amazfit GTS 4 Mini delivers exceptional value at $99, featuring a lightweight 31.2g design with vibrant AMOLED display and impressive 15-day battery life. OnePlus Watch 2 commands a significant premium at $299.99, offering superior processing power via Snapdragon W5 Gen 1, NFC payments, WiFi connectivity, and extended 100-hour battery in smart mode. Display resolution favors OnePlus (466x466 vs 336x384), though both use AMOLED with always-on capability. Health tracking is equivalent, with SpO2 and heart rate monitoring on both models. OnePlus Watch 2 provides a more premium build with stainless steel and sapphire crystal, plus Wear OS 4 for broader app compatibility. GTS 4 Mini prioritizes portability and longevity with exceptional battery efficiency. For budget-conscious buyers seeking reliable daily tracking, Amazfit delivers outstanding value. Those wanting comprehensive smart features and premium materials should consider OnePlus Watch 2 despite the threefold cost difference.
Who Should Buy
Buy the Amazfit GTS 4 Mini if…
- →15-day battery life is exceptional for an AMOLED smartwatch
- →Very affordable at just $99 with solid fitness features
- →Lightweight at 31.2 g — comfortable for 24/7 wear and sleep tracking
Buy the OnePlus Watch 2 if…
- →Industry-leading battery life for a Wear OS smartwatch
- →Dual-chip architecture combines Wear OS with efficient RTOS
- →Premium build with sapphire crystal and stainless steel
Category Scores
Pros & Cons
Amazfit GTS 4 Mini
Pros
- 15-day battery life is exceptional for an AMOLED smartwatch
- Very affordable at just $99 with solid fitness features
- Lightweight at 31.2 g — comfortable for 24/7 wear and sleep tracking
- Built-in GPS for outdoor activity tracking
- 120+ sport modes cover nearly every activity
Cons
- No NFC for contactless payments
- Limited smart features — no app store for third-party apps
- No Wi-Fi for faster syncing or standalone functionality
- Zepp OS has fewer integrations than Wear OS or watchOS
- Small display may be hard to read for some users
OnePlus Watch 2
Pros
- Industry-leading battery life for a Wear OS smartwatch
- Dual-chip architecture combines Wear OS with efficient RTOS
- Premium build with sapphire crystal and stainless steel
- Dual-frequency L1+L5 GPS for accurate tracking
- Full Google Wear OS app ecosystem
Cons
- Only one 46mm size, too large for smaller wrists
- No ECG or skin temperature sensor
- No cellular variant available
- Non-rotating crown, no rotating bezel
- iPhone compatibility is limited
Full Specifications
| Spec | Amazfit GTS 4 Mini | OnePlus Watch 2 |
|---|---|---|
| Software | Zepp OS 2.0 | Wear OS 4 (dual-engine architecture) |
| Body | ||
| Weight | 31.2 g (without strap) | 49 g |
| Case material | Aluminum alloy | Stainless steel case with sapphire crystal glass |
| Water resistance | 5ATM | 5 ATM, IP68 |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 15 days (typical use) | Up to 100 hours smart mode, 12 days power saver |
| Display | ||
| Size | 42mm | 1.43 inch |
| Type | AMOLED Always-On | AMOLED |
| Always-on display | ||
| Resolution | 336 x 384 | 466 x 466 |
| Processor | ||
| Chipset | Huami custom SoC | Snapdragon W5 Gen 1 + BES2700 MCU |
| RAM | — | 2 GB |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.2 | 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 OnePlus products. View full details for the Amazfit GTS 4 Mini or the OnePlus Watch 2.

