Who is the Amazfit - T-Rex 3 for?
Strong choice. At 79.7 Mars Score it's in the A-tier (78-87) — the cluster just below the absolute leaders.
Pick this when you want flagship-tier specs without paying for the headline halo of the S-tier. The day-to-day experience is indistinguishable from the very top.
Mars Score is computed from 17 measured specs against the transparent formula for the smartwatches category. No editorial picks, no paid placement.
Pros and cons at a glance
- ▲Always-on display — supported.
- ▲SpO2 — supported.
- ▲GPS — supported.
- ▲Battery life: 672 h.
- ▼ECG — not supported.
- ▼Cellular — not supported.
Pros are specs scoring ≥75% of the category normalization range. Cons are ≤35%. Derived from the Mars Score formula — no hand-curated lists.
At a glance
- Display size
- 1.5"
- Case size
- 48.5mm
- Battery life
- 672h
- OS
- Zepp OS
All specifications
Design
- Case size
- 48.5 mm
- Weight
- 68 g
- Case material
- polymer
- Water resistance?
- 10 ATM
Display
- Display size
- 1.5 "
- Always-on display
- true
- Peak brightness?
- 2000 nits
Health & Fitness
- ECG
- false
- SpO2
- true
- Temperature sensor
- true
- Sleep tracking
- true
- Blood pressure
- false
Battery & Connectivity
- Battery life
- 672 h
- GPS
- true
- Cellular
- false
- NFC
- false
- OS
- Zepp OS
Latest from the lab
All lab reports →Popular comparisons featuring the Amazfit - T-Rex 3
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