Amazfit T-Rex 3 vs OnePlus Watch 3
The Amazfit T-Rex 3 and the OnePlus Watch 3 are priced $49.01 apart — $279.99 versus $329 — close enough that the choice between them comes down to features, not budget.
The Amazfit T-Rex 3 offers a 1.5" display, 27 days of typical battery life, built-in GPS, 10ATM water resistance.
Global reference price
The OnePlus Watch 3 brings a 1.5" display, 16 days of typical battery life, built-in GPS to the table.
Global reference price
Specification Comparison
Key Differences
With 27 days of battery life against 16, the Amazfit T-Rex 3 demands far less charging upkeep than the OnePlus Watch 3.
Pros & Cons
Amazfit T-Rex 3
Pros
- Much longer battery life (27 days)
- Lower price
- Built-in GPS
Cons
- No significant weakness versus the alternative at this price
OnePlus Watch 3
Pros
- Built-in GPS
Cons
- Shorter battery life (16 days)
- Costs a bit more
Which One Is Right For You?
- Amazfit T-Rex 3: Makes the most sense for anyone who wants to charge as infrequently as possible and wants to spend a little less.
- OnePlus Watch 3: Best for someone who prefers OnePlus's ecosystem and design.
Conclusion
Neither watch is a strict downgrade from the other — each wins on a different practical dimension, so the right pick depends on which of those matters more day to day.
Summary
Amazfit T-Rex 3
Strengths
- Much longer battery life (27 days)
- Lower price
- Built-in GPS
Weaknesses
- No significant weakness versus the alternative at this price
OnePlus Watch 3
Strengths
- Built-in GPS
Weaknesses
- Shorter battery life (16 days)
- Costs a bit more
There's no universal winner here — match the pick to whichever tradeoff (battery life, screen, or connectivity) actually applies to daily use.