Who is the Garmin - Fenix 8 (47mm) for?
Budget-tier smartwatche. The 64.3 score sits in C-tier (58–67) — the formula flags meaningful weaknesses against premium peers.
Reasonable if cost is the deciding factor and the spec weaknesses don’t matter for your use. Check the spec table carefully before buying.
Mars Score is computed from 17 measured specs against the transparent formula for the smartwatches category. No editorial picks, no paid placement.
Garmin - Fenix 8 (47mm): advantages & disadvantages
Measured against every smartwatches we track, here is where the Garmin - Fenix 8 (47mm) pulls ahead — and where it gives ground.
- ▲Includes Always-on display — a feature not every smartwatches offers.
- ▲Includes ECG — a feature not every smartwatches offers.
- ▲Includes SpO2 — a feature not every smartwatches offers.
- ▲Includes GPS — a feature not every smartwatches offers.
- ▼No Cellular — a feature most stronger smartwatches include.
- ▼Display size: 1.4 " — below the typical smartwatches.
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
- 1.4"
- Case size
- 47mm
- Battery life
- 384h
- OS
- Garmin OS
All specifications
Design
- Case size
- 47 mm
- Weight
- 73 g
- Case material
- fiber-reinforced polymer
- Water resistance?
- 10 ATM
Display
- Display size
- 1.4 "
- Always-on display
- true
- Peak brightness?
- 1000 nits
Health & Fitness
- ECG
- true
- SpO2
- true
- Temperature sensor
- true
- Sleep tracking
- true
- Blood pressure
- false
Battery & Connectivity
- Battery life
- 384 h
- GPS
- true
- Cellular
- false
- NFC
- true
- OS
- Garmin OS
Latest from the lab
All lab reports →Popular comparisons featuring the Garmin - Fenix 8 (47mm)
The 8 closest matchups in the Smartwatches category, sorted by Mars Score proximity — the fights most worth your time.
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Frequently asked
What is the Mars Score for Garmin - Fenix 8 (47mm)?+
Garmin - Fenix 8 (47mm) scores 64.3 on the transparent Mars Score formula for smartwatches, computed from its published specs against the category's weighted normalization.
What category does Garmin - Fenix 8 (47mm) belong to?+
Garmin - Fenix 8 (47mm) is a Garmin smartwatche catalogued in the Smartwatches category.
When was Garmin - Fenix 8 (47mm) released?+
Garmin - Fenix 8 (47mm) was released on 2024-09-04.
What is the display size of Garmin - Fenix 8 (47mm)?+
Garmin - Fenix 8 (47mm) has a display size of 1.4 ".
What is the case size of Garmin - Fenix 8 (47mm)?+
Garmin - Fenix 8 (47mm) has a case size of 47 mm.
What is the battery life of Garmin - Fenix 8 (47mm)?+
Garmin - Fenix 8 (47mm) has a battery life of 384 h.
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