Garmin Enduro 3 vs Suunto Vertical Solar
The Garmin Enduro 3 is the flagship option here, boasting an notable 90 days of battery life in smartwatch mode with solar charging. In real-world use, this means you can wear it for over three months without worrying about a charge, perfect for ultra-endurance athletes. What matters most here is the weight difference: the Enduro 3 is only 2.22 oz, while the Suunto weighs 2.61 oz. This lighter design makes a noticeable difference during long activities. If you’re looking for a watch that excels in battery life and comfort for extended wear, the Garmin wins hands down, but if you're focused on offline maps and military-grade durability, the Suunto could still appeal to you. Key specs: Weight: 2.22 oz vs 2.61 oz and Battery: 90 days vs 60 days in daily mode.
Why compare these? The Garmin Enduro 3 (premium flagship) and Suunto Vertical Solar (high-end) represent different approaches to smartwatches. While they may appeal to different budgets, many buyers consider both options. This 2026 comparison helps you decide if the differences justify the price gap.
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Key Differences at a Glance
| Aspect | Garmin Enduro | Suunto Vertical |
|---|---|---|
| User Rating | ✓5★ (7 reviews) | 4.3★ (200 reviews) |
| Top Strength | Unrivaled battery life: up to 90 days in smartwatch mode with solar | Industry-leading battery life with solar charging efficiency |
| Main Drawback | Lacks the speaker/microphone found in the Fenix 8 series | MIP display is less vibrant than AMOLED competitors |
| Market Position | ✓Flagship | Premium |

Garmin Enduro 3
iPhone, Android (Garmin Connect app required)
Garmin OS (Proprietary)
51mm x 51mm x 15.7mm
Fiber-reinforced polymer case with titanium rear cover; Titanium bezel; Power Sapphire solar charging lens

Suunto Vertical Solar
Android and iOS (via Suunto app)
Suunto UI
49mm (49 x 49 x 13.6 mm / 1.93 x 1.93 x 0.54 in)
Bezel: Titanium Grade 5; Case: Glass fiber reinforced polyamide; Glass: Sapphire crystal; Strap: Silicone
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Expand
Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Garmin Enduro 3 vs Suunto Vertical Solar

Garmin Enduro 3

Suunto Vertical Solar
| Criterion | Garmin Enduro 3 | Suunto Vertical Solar |
|---|---|---|
| Rating | ★5(7)Amazon | ★4.3(200)Amazon |
Compatibility | iPhone, Android (Garmin Connect app required) | Android and iOS (via Suunto app) |
Operating System | Garmin OS (Proprietary) | Suunto UI |
Case Size | 51mm x 51mm x 15.7mm | 49mm (49 x 49 x 13.6 mm / 1.93 x 1.93 x 0.54 in) |
Case Material | Fiber-reinforced polymer case with titanium rear cover; Titanium bezel; Power Sapphire solar charging lens | Bezel: Titanium Grade 5; Case: Glass fiber reinforced polyamide; Glass: Sapphire crystal; Strap: Silicone |
Display Type | Sunlight-visible, transflective memory-in-pixel (MIP) | Matrix Memory-in-Pixel (MIP) with LED backlight |
Display Size | 1.4 in (35.56 mm) diameter | 1.4 in |
Resolution | 280 x 280 pixels | 280 x 280 pixels |
Always On Display | Yes (MIP display is always visible) | Yes (Passive technology) |
Water Resistance | 10 ATM (water pressure equivalent to 100 meters) | 100 m (10 ATM) |
Durability | MIL-STD-810H (Thermal, Shock, Water); Scratch-resistant Sapphire lens | MIL-STD-810H tested (Military Standard); Operating temp: -20°C to +55°C (-5°F to +130°F) |
GPS | Multi-band GNSS with SatIQ technology; GPS, GLONASS, Galileo, QZSS, BeiDou | Dual-band GNSS (L1 + L5); GPS, GLONASS, GALILEO, QZSS, BEIDOU |
Connectivity | Bluetooth; ANT+; Wi-Fi | Bluetooth, Wi-Fi (required for map downloads) |
NFC Payments | Garmin Pay | No (Not supported) |
Sensors | Elevate Gen 5 optical heart rate sensor (ECG capable); Pulse Ox blood oxygen saturation monitor; Barometric altimeter; Compass; Gyroscope; Accelerometer; Thermometer | Optical heart rate; blood oxygen (SpO2); barometric altimeter; digital compass; depth meter (snorkeling up to 10m) |
Health Features | Garmin ECG App (region dependent); Body Battery; Sleep Score and advanced monitoring; HRV Status; Pulse Ox; Nap detection; Jet Lag Adviser; Health Snapshot | HRV (Heart Rate Variability); blood oxygen; sleep tracking (duration, quality, stages); stress and recovery status; VO2max |
Workout Modes | Ultrarunning (with rest timer); Adventure Racing; Trail Run; Advanced Strength Training; Hiking; Cycling (MTB, Gravel, Road); Swimming (Pool & Open Water); Skiing; Surfing; and 100+ others | 95+ sport modes; Suunto Coach (AI training guidance); offline route navigation; POI navigation; bearing navigation |
Storage | 32GB | 32 GB (Flash memory for offline maps) |
Speaker Mic | None (Audio prompts via connected Bluetooth headphones only) | No (No built-in speaker or microphone) |
Calls | No (Can accept/decline calls to control phone; Android users can send text replies) | No (Notification alerts only; predefined quick replies on Android) |
Battery | Smartwatch mode: Up to 36 days (90 days with solar); GPS Only: Up to 120 hours (320 hours with solar); Expedition GPS: Unlimited with solar | Up to 60 days (Daily Mode with solar); Up to 85 hours (Dual-band GPS with solar); Up to 500 hours (Tour mode with solar) |
Charging | Garmin proprietary plug charger (USB-C cable included); Solar charging | Suunto magnetic fast charger (USB-A); Solar charging |
Weight | 63 g (Case only: 57 g) — includes UltraFit nylon strap | 74 g / 2.61 oz (Titanium Solar model) |
Band Sizes | Fits wrists 127–225mm (UltraFit nylon strap included); QuickFit 26mm compatible | Fits wrist sizes 125–175 mm; standard 22 mm quick-release width |
Extras | Built-in LED Flashlight (Red/White strobes); Dynamic Round-Trip Routing; TopoActive Maps (preloaded); NextFork Map Guide; Grade Adjusted Pace; Real-time Stamina | Free global offline outdoor maps; weather forecast; storm alarm; solar intensity widget; flashlight mode (screen based); snorkeling mode |
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Garmin Enduro 3
iPhone, Android (Garmin Connect app required)
Garmin OS (Proprietary)
51mm x 51mm x 15.7mm
Fiber-reinforced polymer case with titanium rear cover; Titanium bezel; Power Sapphire solar charging lens
Sunlight-visible, transflective memory-in-pixel (MIP)
1.4 in (35.56 mm) diameter
Pros
- Unrivaled battery life: up to 90 days in smartwatch mode with solar
- Incredibly lightweight (63g) for a 51mm watch due to nylon strap/titanium
Cons
- Lacks the speaker/microphone found in the Fenix 8 series
- No diving certification (unlike Fenix 8 which is rated to 40m)

Suunto Vertical Solar
Android and iOS (via Suunto app)
Suunto UI
49mm (49 x 49 x 13.6 mm / 1.93 x 1.93 x 0.54 in)
Bezel: Titanium Grade 5; Case: Glass fiber reinforced polyamide; Glass: Sapphire crystal; Strap: Silicone
Matrix Memory-in-Pixel (MIP) with LED backlight
1.4 in
Pros
- Industry-leading battery life with solar charging efficiency
- Free global offline maps with ample 32GB storage and Wi-Fi downloading
Cons
- MIP display is less vibrant than AMOLED competitors
- No music storage (music controls only)
Which one is better?
The Garmin Enduro 3 is the better buy for most people - its staggering 90 days of battery life crushes the Suunto Vertical Solar's 60 days. That said, grab the Suunto if you prioritize offline mapping features and are okay with a bit of extra weight - it's heavier.
Who should buy each?
Choose the Garmin Enduro 3 if: you need a battery that lasts up to 90 days, you want a lightweight design at 2.22 oz, or you frequently use GPS for ultra-endurance events.
Choose the Suunto Vertical Solar if: you value offline global maps, you need a durable watch for extreme conditions, or you're looking for a solid tracker under 3 oz.
Quality Seekers
Higher user rating (5★ vs 4.3★) indicates better overall satisfaction
→ Choose Garmin Enduro
Safe Choice Buyers
More widely tested with 200 reviews vs 7
→ Choose Suunto Vertical
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Garmin Enduro
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose Suunto Vertical
Conclusion
There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.
Bottom line: The Garmin Enduro 3 edges ahead with a 5★ rating compared to 4.3★. However, Suunto Vertical Solar remains a strong contender if its strengths align better with your needs.
Frequently Asked Questions
+Which is better: Garmin Enduro 3 or Suunto Vertical Solar?
Garmin Enduro 3 is the better choice if you prioritize unrivaled battery life: up to 90 days in smartwatch mode with solar. Suunto Vertical Solar wins if you value industry-leading battery life with solar charging efficiency. Both are rated highly (5★ vs 4.3★), so consider your specific needs and budget.
+What are the main differences between Garmin Enduro 3 and Suunto Vertical Solar?
Key differences: Garmin Enduro 3 offers unrivaled battery life: up to 90 days in smartwatch mode with solar, while Suunto Vertical Solar stands out with industry-leading battery life with solar charging efficiency. Consider that Garmin Enduro 3 lacks the speaker/microphone found in the fenix 8 series. Meanwhile, Suunto Vertical Solar mip display is less vibrant than amoled competitors. Check the detailed specs table above for a complete comparison.
+Where can US buyers get the best price?
For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.
+Is this comparison up to date?
Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 27, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.
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