Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Garmin - Enduro 3 | Garmin - epix Pro (Gen 2) |
|---|---|---|
| GPS mode | 320 h | 82 h |
| Smartwatch mode | 36 days | 16 days |
| Solar charging | true | false |
| ECG | false | true |
Between the Enduro 3 and epix Pro (Gen 2), the Enduro 3 comes out ahead in gps mode / smartwatch mode, while the epix Pro (Gen 2) wins on ecg. Overall, the Enduro 3 scores 82.6 and the epix Pro (Gen 2) scores 70.9 on our Mars Score.
Which should you buy?
The Enduro 3 is the clear pick on raw spec strength, leading by 11.7 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
Pick the Enduro 3 if you care most about gps mode / smartwatch mode. The biggest gaps in its favor are gps mode, smartwatch mode, solar charging. The single most decisive one: GPS mode — 290.24% more. 320 h vs 82 h.
Pick the epix Pro (Gen 2) if you care most about ecg. Its strongest claims are ecg. The single most decisive one: Has ECG.
Both ship with comparable multi-band gps, so those specs do not separate the two — focus on the differences below.
Bottom line: the Enduro 3 is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Garmin - Enduro 3 or Garmin - epix Pro (Gen 2)?
Garmin - Enduro 3 leads the current Mars Score by 11.7 points.The more useful decision is the trade-off behind that result: compare smartwatch mode, gps mode against the way you will actually use the product.
Choose Garmin - Enduro 3 if…
Garmin - Enduro 3 has the measurable edge on battery gps hours, battery smartwatch days, has solar.
Choose Garmin - epix Pro (Gen 2) if…
Garmin - epix Pro (Gen 2) has the measurable edge on has ecg.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Garmin - Enduro 3 wins
- ▲GPS mode — 290.24% more. 320 h vs 82 h.
- ▲Smartwatch mode — 125.00% more. 36 days vs 16 days.
- ▲Has Solar charging.
Why Garmin - epix Pro (Gen 2) wins
- ▲Has ECG.
Spec comparison
GPS & Sensors
| Spec | Garmin - Enduro 3 | Garmin - epix Pro (Gen 2) |
|---|---|---|
| Multi-band GPS | true | true |
| Barometric altimeter | true | true |
| Heart rate | true | true |
| ECG | false | truelead |
| Pulse Ox | true | true |
Battery
| Spec | Garmin - Enduro 3 | Garmin - epix Pro (Gen 2) |
|---|---|---|
| Smartwatch mode | 36 dayslead | 16 days |
| GPS mode | 320 hlead | 82 h |
| Solar charging | truelead | false |
Design
| Spec | Garmin - Enduro 3 | Garmin - epix Pro (Gen 2) |
|---|---|---|
| Case size | 51 mmlead | 47 mm |
| Weight | 63 glead | 76 g |
| Water resistanceⓘ | 10 ATM | 10 ATM |