Garmin Fenix 8 vs Apple Watch Ultra 3
Decision sheet: the facts that decide it
Garmin Fenix 8: 8 of 8 decision facts sourced.
Apple Watch Ultra 3: 5 of 8 decision facts sourced.
| Garmin Fenix 8 | Apple Watch Ultra 3 | |
|---|---|---|
| Price today | Price not yet checked | Price not yet checked |
| Display size | 1.3 in (33 mm) garmin.com | 49 millimeters bestbuy.com |
| Display type | AMOLED garmin.com | OLED bestbuy.com |
| Battery life | 10 days garmin.com | Not yet sourced |
| GPS / GNSS | GPS bestbuy.com | GPS bestbuy.com |
| Water rating | 10 ATM garmin.com | Not yet sourced |
| Sensors | Accelerometer bestbuy.com | Not yet sourced |
| Weight | 66 g (stainless steel) / 60 g (titanium) garmin.com | 2.18 ounces bestbuy.com |
| Starting MSRP | $899.99 bestbuy.com | $799.00 bestbuy.com |
Not yet sourced — Apple Watch Ultra 3: Battery life, Water rating, Sensors. No manufacturer, official or retailer source we read publishes these yet; we don't estimate them.
Pick Apple Watch Ultra 3 if
- Lighter — 2.18 ounces vs 66 g (stainless steel) / 60 g (titanium) (garmin.com, bestbuy.com)
- Lower starting price — $799 vs $899.99 (bestbuy.com, bestbuy.com)
Verdict: The Apple Watch Ultra 3 leads with a brighter display, superior dual‑frequency GPS and a more refined titanium build, while still costing $100 less than the Garmin Fenix 8. For users who value raw endurance and solar boost, the Fenix 8 remains compelling, but for most extreme athletes the Ultra 3 provides a better overall package.
Garmin Fenix 8 lists at $899 while Apple Watch Ultra 3 lists at $799 — Apple Watch Ultra 3 undercuts Garmin Fenix 8 by $100 (13%).
Winner: Apple Watch Ultra 3
Garmin Fenix 8: 7.5/10
Apple Watch Ultra 3: 8.5/10
Spec-by-spec comparison
| Garmin Fenix 8 | Apple Watch Ultra 3 | |
|---|---|---|
| Display size | 1.3 in (33 mm) | 49 millimeters |
| Display type | AMOLED | OLED |
| Resolution | 416 x 416 | 422 x 514 |
| Battery life | 10 days | — |
| GPS battery life | 28 hours | — |
| GPS / GNSS | GPS | GPS |
Garmin Fenix 8
What works
- Longest battery life in its class
- Optional solar charging extends runtime
- Extensive sport and health profiles
What doesn't
- Bulkier wrist profile
- UI feels slower than competitors
Apple Watch Ultra 3
What works
- Robust titanium case
- Dual‑frequency GPS improves accuracy
What doesn't
- Higher price than most premium watches
- Limited third‑party app ecosystem
Bottom line
Our pick: Apple Watch Ultra 3.
View full comparison on GoodPickr
Related Comparisons
- Withings Body Comp vs Garmin Index S2
- Garmin fenix 6X Solar vs Apple Watch Ultra 3
- Bowflex SelectTech 552 vs Apple Watch Series 9
- Apple Watch Series 10 GPS vs Apple Watch Series 9 GPS
- Apple Watch Series 9 GPS vs Apple Watch Ultra 3
- Samsung Galaxy Watch Ultra vs Apple Watch Series 9 GPS
- Garmin Approach S70 vs Bushnell Ion Elite GPS Watch
- Oura Ring 4 vs Apple Watch Series 10
- Garmin Epix Pro Gen 2 51mm vs Apple Watch Ultra 3
- Galaxy Watch 8 vs Apple Watch Series 11
- Galaxy Watch Ultra 2 vs Apple Watch Series 9 GPS
- Garmin Fenix 7S Plus vs Garmin Fenix 7X
People also compared
Buying guides · In-depth comparisons
View Interactive Comparison →Affiliate disclosure: GoodPickr may earn a commission from qualifying purchases made through partner links on this page. Verdicts are editorially independent and never influenced by affiliate relationships.
GoodPickr · Data-backed product comparisons · Built by Golden Consulting Partners