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Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Choose the Garmin Enduro 3 if battery endurance, solar charging, a sunlight-readable MIP screen and a light 51 mm watch matter most. Choose a fēnix 8 if you want a choice of case sizes and displays, or features such as voice functions and diving support on eligible configurations. The comparison depends on the exact fēnix 8 size and display: the family includes both AMOLED and solar MIP models.
Enduro 3 vs. fēnix 8: the main differences
| Decision | Enduro 3 | fēnix 8 |
|---|---|---|
| Display | Sunlight-visible transflective MIP with solar charging | AMOLED or solar MIP, depending on configuration |
| Case sizes in the compared lineup | 51 mm | 43 mm, 47 mm and 51 mm configurations |
| Smartwatch battery estimates | Up to 36 days; up to 90 days with solar | Varies by size and display. The 47 mm AMOLED is listed at up to 16 days, or 7 days with always-on display. The 47 mm Solar is listed at up to 21 days, or 28 days with solar. |
| Voice functions and diving | Not listed for Enduro 3 in the cited comparison | Voice call/text functions and diving features are distinctions on eligible configurations; confirm the exact model and compatibility |
| US manufacturer-listed price | $899.99 | $999.99 and up for the compared 47 mm AMOLED configuration |
Garmin lists built-in mapping, multi-band GPS, training readiness, music, Garmin Pay, an LED flashlight and a 10 ATM water rating for the compared Enduro 3 and fēnix 8 models. Feature availability can vary across configurations, so check the product page for the specific watch you are considering. Garmin’s product comparison for Enduro 3 and fēnix 8 43 mm AMOLED and its 47 mm AMOLED comparison show the shared feature set and model-level differences.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
|
Garmin fēnix® 8, 47mm, Black | $742.48 | Buy on Amazon |
| 2 |
|
Garmin fēnix® 8 Solar, Sapphire, 51mm, DLC Titanium, Black/Pebble Gray | $1,098.00 | Buy on Amazon |
| 3 |
|
Garmin fēnix® 8, 43mm, Whitestone | Buy on Amazon | |
| 4 |
|
Garmin fēnix® 8, Sapphire, 47mm, Titanium, Spark Orange/Graphite | $996.99 | Buy on Amazon |
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Which model has the best battery life?
Among these configurations, the Enduro 3 has the longest stated smartwatch-mode estimate: Garmin lists up to 36 days, or up to 90 days with solar. Those are manufacturer estimates, not guaranteed runtimes. Solar exposure, display behavior, GPS use and enabled features affect actual battery life.
Enduro 3
The Enduro 3’s headline figure is up to 36 days in smartwatch mode and up to 90 days with solar. Garmin’s solar figures assume all-day wear and three hours per day outdoors in 50,000 lux conditions. If your routine does not resemble those conditions, do not expect the maximum solar estimate.
#1 Best Overall
- Advanced multisport GPS smartwatch for athletes/adventurers features a bright 1.4” AMOLED display, stainless steel bezel, enhanced graphical interface and a built-in LED flashlight for after- dark visibility
- Power up your body’s performance, endurance and resistance to injury with targeted strength training plans, real-time stamina tracking, sport-specific workouts and a full range of built-in sports apps
- Battery performance: up to 16 days in smartwatch mode; up to 47 hours in GPS mode. Fits wrists with the following circumference: Silicone band: 125-208 mm UltraFit Band: 125-215 mm Leather Band: 132-210 mm Metal Band: 132-210 mm
- Your training readiness score is based on sleep quality, recovery, training load and HRV status to determine if you’re primed to go hard and reap the rewards (data presented is intended to be a close estimation of metrics tracked)
- For your active lifestyle, a built-in speaker and mic let you make and take phone calls from your wrist when your watch is paired to your smartphone — and you can even use your smartphone’s voice assistant to respond to text messages and more
fēnix 8 AMOLED and Solar
Garmin lists the 47 mm AMOLED fēnix 8 at up to 16 days in smartwatch mode, or 7 days with its display always on. The 47 mm Solar is listed at up to 21 days, or 28 days with solar under Garmin’s stated assumptions. These figures describe different configurations and display behaviors; they are not a direct promise of how long either watch will last in your use.
Before comparing battery estimates, decide which mode matters to you: ordinary smartwatch use, always-on display, GPS or multi-band GPS. Garmin’s fēnix 8 Series battery information explains that runtime depends on enabled features and sensors.
Rank #2
- Advanced multisport GPS smartwatch for athletes/adventurers features a 1.4” solar charged display with scratch-resistant sapphire lens, durable titanium bezel and built-in LED flashlight for after-dark visibility
- Battery performance: up to 48 days of battery life in smartwatch mode with solar charging (assumes all-day wear with 3 hours per day outside in 50,000 lux conditions) and up to 149 hours in GPS mode with solar charging (assumes continuous use for entire period in 50,000 lux conditions) — all with an always-on display, so you’re ready to take on the toughest challenges
- Power up your body’s performance, endurance and resistance to injury with targeted strength training plans, real-time stamina tracking, sport-specific workouts and a full range of built-in sports apps
- Your training readiness score is based on sleep quality, recovery, training load and HRV status to determine if you’re primed to go hard and reap the rewards (data presented is intended to be a close estimation of metrics tracked)
- For your active lifestyle, a built-in speaker and mic let you make and take phone calls from your wrist when your watch is paired to your smartphone — and you can even use your smartphone’s voice assistant to respond to text messages and more
Choose your screen before comparing the watches
Enduro 3: MIP and solar
The Enduro 3 uses a sunlight-visible transflective MIP display and includes solar charging. It is the clearer fit if you prefer this display type and want the Enduro’s longer stated battery estimates. Its case is 51 mm, so make sure that size suits your wrist and comfort preferences.
fēnix 8 AMOLED: vivid screen, more size options
The fēnix 8 AMOLED offers a different screen experience and comes in multiple case sizes in the compared lineup. Garmin’s 43 mm, 47 mm and 51 mm comparisons let you check the configuration you want rather than treating “fēnix 8” as one specification: 43 mm AMOLED, 47 mm AMOLED and 51 mm AMOLED.
Rank #3
- Advanced multisport GPS smartwatch for athletes/adventurers features a bright 1.3” AMOLED display, stainless steel bezel, enhanced graphical interface and a built-in LED flashlight for after- dark visibility
- Power up your body’s performance, endurance and resistance to injury with targeted strength training plans, real-time stamina tracking, sport-specific workouts and a full range of built-in sports apps
- Battery performance: up to 10 days in smartwatch mode; up to 28 hours in GPS mode
- Your training readiness score is based on sleep quality, recovery, training load and HRV status to determine if you’re primed to go hard and reap the rewards (data presented is intended to be a close estimation of metrics tracked)
- For your active lifestyle, a built-in speaker and mic let you make and take phone calls from your wrist when your watch is paired to your smartphone — and you can even use your smartphone’s voice assistant to respond to text messages and more
fēnix 8 Solar: MIP in the fēnix line
If you want MIP and solar but prefer the fēnix line or a size other than the Enduro 3’s 51 mm case, consider a fēnix 8 Solar configuration. Solar charging is not included on every fēnix 8: verify that the exact model is the Solar version. Garmin’s 47 mm Solar comparison sets out that configuration’s specifications.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Size, weight and extra features
Garmin lists the Enduro 3 at 63 g with its included band and 57 g for the case alone. It is a 51 mm watch. The fēnix 8 offers multiple sizes, which may make it a better match if you want a smaller case; do not assume that size changes only fit, because battery and display specifications also vary by configuration.
Rank #4
- Advanced multisport GPS smartwatch for athletes/adventurers features a bright 1.4” AMOLED display with scratch-resistant sapphire lens, durable titanium bezel and a built-in LED flashlight for after- dark visibility - weight is 80g
- Power up your body’s performance, endurance and resistance to injury with targeted strength training plans, real-time stamina tracking, sport-specific workouts and a full range of built-in sports apps
- Battery performance: up to 16 days in smartwatch mode; up to 47 hours in GPS mode
- Your training readiness score is based on sleep quality, recovery, training load and HRV status to determine if you’re primed to go hard and reap the rewards (data presented is intended to be a close estimation of metrics tracked)
- For your active lifestyle, a built-in speaker and mic let you make and take phone calls from your wrist when your watch is paired to your smartphone — and you can even use your smartphone’s voice assistant to respond to text messages and more
Garmin’s comparison lists voice call and text functions for fēnix 8, not Enduro 3. Diving features are also a fēnix distinction in eligible configurations. Confirm model availability and phone or regional compatibility before buying on the basis of these functions.
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Garmin’s US comparison page lists the Enduro 3 at $899.99 and the compared 47 mm fēnix 8 AMOLED at $999.99 and up. These are manufacturer-listed US prices, not guaranteed transaction prices or prices for other regions; check current local pricing and availability. Garmin’s 47 mm AMOLED comparison provides that price context.
- Pick Enduro 3 for the longest stated smartwatch battery estimate, solar charging, MIP and a relatively light watch—provided its 51 mm case works for you.
- Pick fēnix 8 AMOLED if you prefer AMOLED, want a choice of case sizes, or value fēnix-specific functions available on the model you select.
- Pick fēnix 8 Solar if you want MIP and solar in the fēnix range, especially if you prefer a different case size.
For either watch, compare the exact size and display, then check the battery estimate for the mode you actually plan to use. A smartwatch-mode maximum does not tell you what to expect from continuous GPS or an always-on screen.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
