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Amazfit Cheetah 2 Ultra vs Garmin Fenix 8 (47mm)
The specs that matter for triathlon, side by side, from each maker’s own published figures.
| Spec | Amazfit Cheetah 2 Ultra | Garmin Fenix 8 (47mm) |
|---|---|---|
| GPS battery | 60 h | 47 h |
| Smartwatch battery | 30 days | 16 days |
| Triathlon / multisport mode | Yes | Yes |
| Onboard maps | Yes | Yes |
| Open-water GPS (our rating) | 5 / 5 | 5 / 5 |
| Weight | 52 g | 80 g |
| Screen | AMOLED 1.5in (480x480) | AMOLED |
| Price | ~$599.99 | See retailer |
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 Cheetah 2 Ultra if…
- you want the longer GPS battery: 60 h vs 47 h
- you want the longer smartwatch battery: 30 days vs 16 days
- you want the lighter one: 52 g vs 80 g
Garmin
Pick the Fenix 8 (47mm) if…
On the specs above it doesn’t pull ahead, so choose on fit, feel or price.
Check price →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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