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Amazfit T-Rex Ultra 2 vs Garmin Enduro 4
The specs that matter for triathlon, side by side, from each maker’s own published figures.
| Spec | Amazfit T-Rex Ultra 2 | Garmin Enduro 4 |
|---|---|---|
| GPS battery | 50 h | 80 h |
| Smartwatch battery | 30 days | 36 days |
| Triathlon / multisport mode | Yes | Yes |
| Onboard maps | Yes | Yes |
| Open-water GPS (our rating) | 4 / 5 | 5 / 5 |
| Weight | 89.2 g | 66 g |
| Screen | AMOLED 1.5in (480x480) | MIP 1.4in (280x280) |
| Price | ~$549.99 | ~$899.99 |
Open-water GPS is our 1–5 rating from the satellite systems each maker lists: multi-band receivers score 5. Everything else is the maker’s own figure.
Which should you pick?
Amazfit
Pick the T-Rex Ultra 2 if…
On the specs above it doesn’t pull ahead, so choose on fit, feel or price.
Check price →
Garmin
Pick the Enduro 4 if…
- you want the longer GPS battery: 80 h vs 50 h
- you want the longer smartwatch battery: 36 days vs 30 days
- you want better open-water GPS (our rating): 5 / 5 vs 4 / 5
- you want the lighter one: 66 g vs 89.2 g
Specs from the makers’ own pages: Amazfit, Garmin.
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Triathlon Watch Comparison
Battery life, open-water GPS and maps across the watches triathletes buy.
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Every product in this category in one spec table, plus 820 head-to-heads.
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