Amazfit T-Rex Ultra vs TicWatch Pro 5
Both smartwatches excel in different areas, making this a nuanced choice. Amazfit T-Rex Ultra prioritizes extreme durability with military-grade construction, exceptional 20-day battery life, and premium build quality featuring a stainless steel bezel—ideal for outdoor enthusiasts and users who value minimal recharging. TicWatch Pro 5 counters with superior software flexibility via Wear OS 3.5, enabling broader app compatibility and NFC for contactless payments. Its dual-layer AMOLED display with FSTN technology and Snapdragon W5+ processor deliver snappier performance, though at a heavier cost despite being $100 cheaper. TicWatch's 44g featherweight design suits daily wear comfort better than T-Rex Ultra's 89g heft. Battery longevity heavily favors Amazfit, while connectivity and smart features favor TicWatch. Choose T-Rex Ultra for adventure-focused use cases and maximum autonomy; select TicWatch Pro 5 for balanced smartwatch functionality and everyday practicality.
Full Specifications
| Spec | Amazfit T-Rex Ultra | TicWatch Pro 5 |
|---|---|---|
| Software | Zepp OS 2.0 | Wear OS 3.5 |
| Body | ||
| Weight | 89 g | 44.1 g |
| Case material | Stainless steel bezel, fiber-reinforced polymer case | Nylon fiber composite |
| Water resistance | 10 ATM, ISO 22810 certified for free-diving to 45m | 5 ATM + IP68 / MIL-STD-810H |
| Health & Sensors | ||
| ECG | ||
| SpO₂ | ||
| Skin temperature | ||
| Heart rate | ||
| Sleep tracking | ||
| Battery | ||
| Battery life | Up to 20 days typical use, 80 hours GPS | Up to 80 hrs Essential Mode, 24 hrs Wear OS mode |
| Display | ||
| Size | 1.39 inch | 1.43 inch |
| Type | AMOLED | AMOLED + FSTN dual-layer display |
| Always-on display | ||
| Resolution | 454 x 454 | 466 x 466 |
| Connectivity | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
| Cellular | ||
| Bluetooth | 5.0 | 5.3 |
| Processor | ||
| RAM | — | 2 GB |
| Chipset | — | Snapdragon W5+ Gen 1 |
Category Scores
Pros & Cons
Amazfit T-Rex Ultra
Pros
- Excellent 20-day battery life with always-on display
- Dual-band six-satellite GPS for high accuracy
- Rugged design with 15 military-grade certifications
- Free-diving rated to 45 meters
- Offline maps with route import support
Cons
- No ECG, skin temperature, or NFC payments
- No Wi-Fi or cellular connectivity
- Zepp OS app ecosystem is limited
- Heavier than most smartwatches at 89g
- No third-party app store
TicWatch Pro 5
Pros
- Dual-layer AMOLED + FSTN display saves battery while staying readable outdoors
- Snapdragon W5+ Gen 1 is the fastest chip in any Wear OS watch
- Best-in-class 24-hour Wear OS battery with up to 80 hours in Essential Mode
- Rugged MIL-STD-810H rated build handles extreme conditions
- Full Wear OS access with Google Maps, Wallet, and Play Store
Cons
- No ECG or skin temperature sensor at this price point
- No cellular LTE option available
- Wear OS 3.5 rather than the latest Wear OS 4
- Large, thick case may feel bulky on smaller wrists
Related Comparisons
Explore more in smartwatches, see all Amazfit products or all Mobvoi products. View full details for the Amazfit T-Rex Ultra or the TicWatch Pro 5.