Garmin Enduro 3 vs Instinct 3 45mm Solar
Size, specs & wrist fit compared
Which one fits you
Under 18 cm (7.1 in) round, the Enduro 3's lugs overhang and the Instinct 3 45mm Solar's do not; the Instinct 3 45mm Solar fills the wrist at 17–19 cm, the Enduro 3 at 19 cm and up.
What else differs
- Battery: 36 days for the Enduro 3 against 28 days for the Instinct 3 45mm Solar in everyday use; 5 days for the Enduro 3 against 40 hours for the Instinct 3 45mm Solar with GPS on.
- Only the Enduro 3 has a sapphire lens.
The Enduro 3 is 6mm wider, 0.8mm thicker and 11g heavier than the Instinct 3 45mm Solar.
Enduro 3
Instinct 3 45mm Solar
Case width
51mm
45mm−6mm
Thickness
15.7mm
14.9mm−0.8mm
Weight
63g
52g−11g
Enduro 3 or Instinct 3 45mm Solar by wrist size
| Wrist round (mm left each side) | Enduro 3≈58.5mm lug to lug, est. | Instinct 3 45mm Solar≈51.5mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (6.7mm over) | Overhangs (3.2mm over) |
| 15 cm / 5.9 in | Overhangs (5.1mm over) | Overhangs (1.6mm over) |
| 16 cm / 6.3 in | Overhangs (3.4mm over) | Bold (0.1mm) |
| 17 cm / 6.7 in | Overhangs (1.8mm over) | Sweet spot (1.7mm) |
| 18 cm / 7.1 in | Overhangs (0.2mm over) | Sweet spot (3.3mm) |
| 19 cm / 7.5 in | Bold (1.4mm) | Balanced (4.9mm) |
| 20 cm / 7.9 in | Sweet spot (3mm) | Balanced (6.5mm) |
Switch or add watches
Garmin
Enduro 3
Garmin
Instinct 3 45mm Solar
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Battery life compared
Enduro 3Instinct 3 45mm Solar
Battery saver
92 days65 daysExpedition
77 days36 daysSmartwatch
36 days +90 days28 daysMax battery GPS
210 hours100 hoursGPS only
120 hours +320 hours40 hours +130 hoursAll systems
80 hours +144 hours28 hours +50 hoursAll systems + multi-band
60 hours +90 hours24 hours +40 hoursAll systems with music
22 hours—
Amber figures are the solar-assisted runtime the manufacturer publishes for that mode.
More comparisons
2D Dimension Schematics
- Garmin Enduro 3 51mm × ≈58.5mm (est.) · 15.7mm thick
- Garmin Instinct 3 45mm Solar 45mm × ≈51.5mm (est.) · 14.9mm thick
3D preview
Enduro 3 vs Instinct 3 45mm Solar on a wrist
Specifications
The short version
7 key specs| Spec | GarminEnduro 3 | GarminInstinct 3 45mm Solar |
|---|---|---|
| Case Width | 51mm | 45mm |
| Thickness | 15.7mm | 14.9mm |
| Weight | 63g | 52g |
| Shape | Circular | Circular |
| Display type | Sunlight-visible, transflective memory-in-pixel (MIP) | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) |
| Battery life | Smartwatch: Up to 36 days/90 days with solar* Battery Saver Watch Mode: Up to 92 days/unlimited with solar* GPS Only: Up to 120 hours/320 hours with solar** All Satellite Systems: Up to 80 hours/144 hours with solar** All Satellite Systems + Multi-band: Up to 60 hours/90 hours with solar*** All Satellite Systems + Music: Up to 22 hours Max Battery GPS: Up to 210 hours/unlimited with solar** Expedition GPS: Up to 77 days/unlimited days with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions; assuming typical use with SatIQ technology | Smartwatch: Up to 28 days/Unlimited with solar* Battery Saver Watch Mode: Up to 65 days/Unlimited with solar* GPS Only: Up to 40 hours/130 hours with solar** All Satellite Systems: Up to 28 hours/50 hours with solar** All Satellite Systems + Multi-Band: Up to 24 hours/40 hours with solar*** Max Battery GPS: Up to 100 hours/Unlimited with solar** Expedition GPS: Up to 36 days/Unlimited with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions ***Solar charging, assuming use in 50,000 lux conditions; assuming typical use with SatIQ technology |
| Released | 2024 | 2025 |
Where the specifications differ
25 differences| Spec | Garmin Enduro 3 | Garmin Instinct 3 45mm Solar |
|---|---|---|
| General | ||
| Battery life | Smartwatch: Up to 36 days/90 days with solar* Battery Saver Watch Mode: Up to 92 days/unlimited with solar* GPS Only: Up to 120 hours/320 hours with solar** All Satellite Systems: Up to 80 hours/144 hours with solar** All Satellite Systems + Multi-band: Up to 60 hours/90 hours with solar*** All Satellite Systems + Music: Up to 22 hours Max Battery GPS: Up to 210 hours/unlimited with solar** Expedition GPS: Up to 77 days/unlimited days with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions; assuming typical use with SatIQ technology | Smartwatch: Up to 28 days/Unlimited with solar* Battery Saver Watch Mode: Up to 65 days/Unlimited with solar* GPS Only: Up to 40 hours/130 hours with solar** All Satellite Systems: Up to 28 hours/50 hours with solar** All Satellite Systems + Multi-Band: Up to 24 hours/40 hours with solar*** Max Battery GPS: Up to 100 hours/Unlimited with solar** Expedition GPS: Up to 36 days/Unlimited with solar* *Solar charging, assuming all-day wear with 3 hours per day outside in 50,000 lux conditions **Solar charging, assuming use in 50,000 lux conditions ***Solar charging, assuming use in 50,000 lux conditions; assuming typical use with SatIQ technology |
| Display Size | 1.4” (35.56 mm) diameter | custom, two-window design; 0.9” x 0.9” (23 x 23 mm) |
| Lens Material | Power Sapphire™ | Power Glass™ |
| Bezel Material | titanium | fiber-reinforced polymer/aluminum |
| Memory/History | 32 GB | 128 MB |
| Strap material | ultra light-weight elastic nylon hook & loop | silicone |
| Display resolution | 280 x 280 pixels | 176 x 176 pixels |
| QuickFit® watch band compatible | compatible (26 mm) | yes (22 mm) |
| Product Info | ||
| Main SKU | 010-02751-00 | 010-02934-00 |
| Product ID | 851039 | 1315317 |
| Product Name | Enduro™ 3 | Instinct® 3 – 45 mm, Solar |
| Release Date | 8/27/2024 | 1/6/2025 |
| Product Variation | Carbon Gray DLC Titanium with Black Ultrafit Nylon Strap | Black with Black Band |
| Cycling Features | ||
| FTP (Functional Threshold Power) | yes (with compatible accessory) | Yes |
| Golfing Features | ||
| Measures shot distance (calculates exact yardage for shots from anywhere on course) | automatic | manual |
| What You'll Love | ||
| Display type | Sunlight-visible, transflective memory-in-pixel (MIP) | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) |
| Battery life (smartwatch mode) | Up to 36 days (90 days with solar) | Up to 28 daysUnlimited with solar |
| Activity Profiles | ||
| Gym | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing, Jump Roping | Strength, HIIT, Cardio, Elliptical Training, Stair Stepping, Floor Climbing, Indoor Rowing |
| Multisport | Swimming/Running, Triathlon | Triathlon |
| On the Water | Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Sailing, Water Skiing, Wakeboarding, Wakesurfing, Tubing, Snorkeling, Whitewater | Stand Up Paddleboarding, Rowing, Kayaking, Surfing, Kiteboarding, Windsurfing, Fishing, Boating, Water Skiing, Snorkeling, Wakeboarding, Wakesurfing, Tubing, Whitewater |
| Outdoor running | Running, Outdoor Track Running, Trail Running, Ultra Running, Obstacle Racing | Running, Outdoor Track Running, Trail Running, Obstacle Racing |
| Other activity profiles | Inline Skating | Tactical, Inline Skating |
| Swimming Features | ||
| Heart rate from external HRM (real-time during rests, interval and session stats during rests, and automatic heart rate download post-swim) | yes (with HRM-Tri, HRM-Swim, HRM-Pro or HRM-Pro Plus) | Yes |
| Outdoor Recreation | ||
| Area calculation | yes (via Connect IQ™) | Yes |
| Daily Smart Features | ||
| Connectivity | Bluetooth®, ANT+®, Wi-Fi® | Bluetooth®, ANT+® |
The other 219 specifications both list are identical.
Full Garmin Enduro 3 specifications →Full Garmin Instinct 3 45mm Solar specifications →