Who is the Garmin - Fenix 8 (47mm) for?
Solid mid-pack smartwatche. The 71.9 score lands in B-tier (68–77) — competent across the board, with one or two specs holding it back.
A right buy if pricing matters and the trade-offs the formula penalizes don’t affect how you use the device. Compare it against the A-tier picks first.
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 ECG — a feature not every smartwatches offers.
- ▲Includes Always-on display — 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.
- ▼Weight: 73 g — below the typical smartwatches.
- ▼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 12 closest matchups in the Smartwatches category, sorted by Mars Score proximity — the fights most worth your time.
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How Garmin - Fenix 8 (47mm) fits the Smartwatches field
Garmin - Fenix 8 (47mm) is listed in the Smartwatches catalog with a Mars Score of 71.9. It currently ranks 9 of 24 products in this category by Mars Score.This page is most useful when you match the product's strongest measurable specifications to your own workload instead of treating one number as a universal recommendation.
Key specifications to check
- Display size
- 1.4 "
- Case size
- 47 mm
- Battery life
- 384 h
- OS
- Garmin OS
Values are shown exactly as stored in the current catalog. A dash means the value is not available; it is not a zero and is not treated as a win or loss.
Who should consider it?
Start with the priorities represented by display size, case size, battery life. Buyers who value those dimensions should compare this product against the closest same-category alternatives below, then verify regional pricing, warranty, and configuration before purchase.
Closest alternatives
Frequently asked
What is the Mars Score for Garmin - Fenix 8 (47mm)?+
Garmin - Fenix 8 (47mm) scores 71.9 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.