Amazfit T-Rex 2 vs Coros Pace 3
Amazfit T-Rex 2 (2022, listed at $229) and Coros Pace 3 (2023, listed at $229) are both sport watches, so the choice comes down to specifics.
Specs last updated · table prices are list prices; each card shows Amazon's current price when available
Amazfit T-Rex 2
Rugged AMOLED GPS watch with a 24-day battery claim, 10 ATM water resistance and military-grade durability certifications.
Coros Pace 3
Ultralight runner's bargain — dual-frequency GPS at 30g, 24-day battery, EvoLab analytics.
The verdict
On the numbers we track, Amazfit T-Rex 2 wins on tracked features (4 vs 2) and water rating (10ATM vs 5ATM); Coros Pace 3 wins on weight (30 g vs 65 g).
Bottom line: on raw specs the Amazfit T-Rex 2 leads 2 to 1, but five spec categories are only a starting point. Match it to your phone, your main sport and your budget before you decide, or run the free quiz to see how each ranks for your answers.
Spec by spec
| Spec | Amazfit T-Rex 2 | Coros Pace 3 |
|---|---|---|
| Battery (rated) | 24 days | 24 days |
| Weight | 65 g | 30 g |
| List price | $229 | $229 |
| Water rating | 10ATM | 5ATM |
| Tracked features | 4 | 2 |
| Case size | 47 mm | 42 mm |
| Display | AMOLED | MIP |
| Works with | both iPhone and Android | both iPhone and Android |
| Listed best for | outdoor adventure and multisport and triathlon | running and multisport and triathlon |
| Released | 2022 | 2023 |
Trophy marks the better value on the five measurable specs. Battery is the manufacturer's rating, not our test. How we score is on the methodology page.
Feature overlap
Both have (1)
- built-in GPS
Only Amazfit T-Rex 2 (3)
- blood-oxygen (SpO₂)
- AMOLED display
- swim tracking
Only Coros Pace 3 (1)
- on-device music
Which one should you pick?
Pick the Amazfit T-Rex 2 if…
- You need blood-oxygen (SpO₂), AMOLED display and swim tracking, which the Coros Pace 3 does not list.
- Your main use is outdoor adventure: it is listed for that and the Coros Pace 3 is not.
- You might switch phones: it works with both iPhone and Android, the Coros Pace 3 only works with Android.
- You swim or paddle: 10ATM vs 5ATM.
- You want a bright AMOLED screen.
Skip it if…
- • You have a small wrist (under about 160 mm) — the 47 mm case we list is large (check whether a smaller size is sold).
- • You want something light enough to sleep in — it weighs 65 g.
Pick the Coros Pace 3 if…
- You want a lighter watch: 30 g vs 65 g.
- You need on-device music, which the Amazfit T-Rex 2 does not list.
- Your main use is running: it is listed for that and the Amazfit T-Rex 2 is not.
- You might switch phones: it works with both iPhone and Android, the Amazfit T-Rex 2 only works with Android.
- You want the newer model (2023 vs 2022).
Skip it if…
- • You want a bright, vivid AMOLED screen — this one uses a lower-power display.
Frequently asked questions
Which has better battery life, the Amazfit T-Rex 2 or the Coros Pace 3?
They are rated the same, at about 24 days per charge. Real-world life depends on GPS, display and cellular use.
Which is cheaper, the Amazfit T-Rex 2 or the Coros Pace 3?
They have the same list price ($229) in our database. Check Amazon for today's price.
Do the Amazfit T-Rex 2 and Coros Pace 3 work with iPhone and Android?
Yes, they have the same phone support: both iPhone and Android.
Which is better for swimming, the Amazfit T-Rex 2 or the Coros Pace 3?
Amazfit T-Rex 2: 10ATM is suitable for swimming and surface water sports. It is not a dive rating unless the maker says so. Coros Pace 3: 5ATM is suitable for showering and pool swimming, but not for high-speed water sports or diving.
Not sure either is right for you?
Nine questions about your phone, sport, wrist and budget, scored against all of our watches with the reasoning shown.
Take the free quiz