Verdict
Head-to-head · Best Gps Running Watches

Garmin Enduro 3 vs Garmin Instinct 3 Solar

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Garmin Enduro 3 comes out ahead by a clear margin (4.5 vs 4.0). Garmin Enduro 3 is best for: Endurance athletes prioritizing battery life over AMOLED visuals or smart features. Read the strengths below before deciding.

Garmin Enduro 3
Higher ratedRanked #2 in Best Gps Running Watches
Garmin Enduro 3
3 sources$799.99as of Oct 11

The Garmin Enduro 3 delivers up to 120 hours of GPS battery life, extending to 320 hours with solar charging, a feat Dcrainmaker verified across epic hikes and endurance rides. Bettertrail recorded smartwatch battery life of 36 days without solar, highlighting the device's exceptional longevity for ultra-marathoners and thru-hikers who need weeks of off-grid reliability. However, the single 51 mm case size limits comfort for everyday wear or smaller wrists, a trade-off that OutdoorGearLab confirmed through lab tests of continuous GPS tracking. While Gearjunkie praised its durability in extreme conditions, Hodinky-365.com noted the thick profile and plastic lugs raise questions about long-term build quality compared to titanium predecessors. This watch fits endurance athletes prioritizing battery life over AMOLED visuals or smart features; those seeking a discreet everyday wearable should look elsewhere.

Strengths
  • — Delivers up to 120 hours of GPS battery life, extending to 320 hours with solar charging.
  • — Features a redesigned solar panel that is 120% more efficient than the previous generation while improving screen clarity by removing the transparent display overlay.
  • — Weighs only 63 grams, making it significantly lighter than comparable titanium models like the Fenix 8.
Watch-outs
  • — The single 51 mm case size is considered large and limits comfort for everyday wear or smaller wrists.
  • — Lacks a built-in microphone and speaker, preventing direct wrist calls found on higher-end Garmin models.
  • — Uses a Memory-in-Pixel display that reviewers note feels dated compared to modern AMOLED screens.
Garmin Instinct 3 Solar
Ranked #6 in Best Gps Running Watches
Garmin Instinct 3 Solar
1 source$349.99as of Oct 11

The Garmin Instinct 3 Solar delivers exceptional battery endurance through solar charging that Thetrek describes as a game changer for backcountry explorers, extending GPS-only runtime to up to 130 hours. Dcrainmaker notes the device retains its rugged MIL-STD-810 construction and adds a practical LED flashlight with red-light mode, while multi-band GPS ensures reliable tracking in dense terrain. However, Garminrumors highlights significant quality control issues including misaligned mini-windows and inconsistent button feedback, alongside insufficient internal storage that blocks standard desktop updates. The monochrome MIP display sacrifices color for power efficiency, which Livefortheoutdoors finds underwhelming compared to AMOLED alternatives but necessary for maximum battery life. This watch fits hikers and trail runners prioritizing endurance and durability over visual flair or software convenience.

Strengths
  • — Solar charging capability extends battery life significantly in smartwatch mode and GPS modes, with claims of unlimited runtime under sufficient sunlight exposure.
  • — Built-in LED flashlight features variable intensities including a red-light mode to preserve night vision.
  • — Multi-band GPS with SatIQ technology dynamically optimizes satellite signal usage for improved accuracy and battery efficiency.
Watch-outs
  • — Monochrome MIP display lacks color and touch functionality, which some reviewers find visually underwhelming compared to AMOLED alternatives.

How they stack up

Garmin Enduro 3

The Garmin Enduro 3 lists 120 hours of GPS battery life, or 320 with solar, against 41 hours for the Coros Pace 4 and 21 hours for the Garmin Forerunner 970. It uses a memory-in-pixel display where those two use AMOLED panels, and at 63 g it weighs almost twice as much as the 32g Coros Pace 4.

Garmin Instinct 3 Solar

The Garmin Instinct 3 Solar lists up to 40 hours of GPS use and up to 28 days as a smartwatch, against 21 hours and 15 days for the Garmin Forerunner 970. It shares a 10 ATM water rating with the Garmin Fenix 8 Pro and Garmin Enduro 3 and, at 53g, is lighter than either. Its 0.9-inch screen is smaller than the 1.4-inch AMOLED panels on the Forerunner 970 and Fenix 8 Pro.

Specs side-by-side

SpecGarmin Enduro 3Garmin Instinct 3 Solar
Display TypeMemory-in-pixelPower Glass
GPS Battery Life120 hours (320 w/ solar)Up to 40 hours
Case Size51 mm45mm
Case MaterialSapphire crystalmetal-reinforced bezel
Weight63 g53g
Water Resistance10 ATM10 ATM
Display Size—0.9 inch (45mm)
Battery Life—Up to 28 days
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