Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Garmin - Enduro 3 | Garmin - Forerunner 265 |
|---|---|---|
| GPS mode | 320 h | 24 h |
| Smartwatch mode | 36 days | 13 days |
| Solar charging | true | false |
Between the Enduro 3 and Forerunner 265, the Enduro 3 comes out ahead in gps mode / smartwatch mode, while the Forerunner 265 wins on several specs. Overall, the Enduro 3 scores 82.6 and the Forerunner 265 scores 69.5 on our Mars Score.
Which should you buy?
The Enduro 3 is the clear pick on raw spec strength, leading by 13.1 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 — 1233.33% more. 320 h vs 24 h.
The Forerunner 265 similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable multi-band gps, ecg, 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 - Forerunner 265?
Garmin - Enduro 3 leads the current Mars Score by 13.1 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 - Forerunner 265 if…
Garmin - Forerunner 265 does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
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 — 1233.33% more. 320 h vs 24 h.
- ▲Smartwatch mode — 176.92% more. 36 days vs 13 days.
- ▲Has Solar charging.
Why Garmin - Forerunner 265 wins
- No decisive advantages.
Spec comparison
GPS & Sensors
| Spec | Garmin - Enduro 3 | Garmin - Forerunner 265 |
|---|---|---|
| Multi-band GPS | true | true |
| Barometric altimeter | truelead | false |
| Heart rate | true | true |
| ECG | false | false |
| Pulse Ox | true | true |
Battery
| Spec | Garmin - Enduro 3 | Garmin - Forerunner 265 |
|---|---|---|
| Smartwatch mode | 36 dayslead | 13 days |
| GPS mode | 320 hlead | 24 h |
| Solar charging | truelead | false |
Design
| Spec | Garmin - Enduro 3 | Garmin - Forerunner 265 |
|---|---|---|
| Case size | 51 mmlead | 46 mm |
| Weight | 63 g | 47 glead |
| Water resistanceⓘ | 10 ATMlead | 5 ATM |