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2026 comparison
Updated Jan 7, 2026
|Sources: Amazon, ManufacturerSuunto Vertical Solar vs OnePlus Watch 2
The Suunto Vertical Solar outshines the OnePlus Watch 2 in battery life, boasting up to 85 hours with solar charging compared to OnePlus's impressive 100 hours. However, if you’re after a vibrant display and smart features, the OnePlus has a clear edge with its AMOLED screen and support for Bluetooth calls. In real-world use, the Suunto's ruggedness with military-grade durability is perfect for outdoor enthusiasts needing 95+ workout modes, while the OnePlus delivers a stylish design with a stainless steel chassis. So if you want a watch that doubles as a fitness tracker and a smart device, the OnePlus is hard to overlook.
⚖️ Weight: 2.61 oz vs 1.73 oz🔋 Battery: 85h vs 100h📱 Display: 1.4in vs 1.43in
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Suunto Vertical Solar
★4.3
(200)•Amazon
Compatibility:Android and iOS (via Suunto app)
Operating System:Suunto UI
Case Size:49mm (49 x 49 x 13.6 mm / 1.93 x 1.93 x 0.54 in)
Case Material:Bezel: Titanium Grade 5; Case: Glass fiber reinforced polyamide; Glass: Sapphire crystal; Strap: Silicone
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OnePlus Watch 2
★4.6
(538)•Amazon
Compatibility:Android 8.0+ only (requires GMS 23.45.23+); iOS and Android Go edition NOT supported
Operating System:Wear OS 4 + RTOS (Dual-Engine Architecture)
Case Size:47mm (47.0 x 46.6 x 12.1 mm / 1.85 x 1.83 x 0.47 in)
Case Material:Chassis: Stainless steel; Bottom: Plastic (PC/PC+glass fiber); Cover: 2.5D Sapphire Crystal
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Key spec differences
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
Winner= clear advantage
Spec
Suunto Vertical Solar
OnePlus Watch 2
Display2 specs
Display SizeKey
Suunto Vertical Solar
1.4 in
OnePlus Watch 2
1.43 in (3.63 cm)
Resolution
Suunto Vertical Solar
280 x 280 pixels
OnePlus Watch 2
466 x 466 pixels (326 ppi); 600 nits default brightness
Performance1 specs
Storage
Suunto Vertical Solar
32 GB (Flash memory for offline maps)
OnePlus Watch 2
32 GB ROM + 2 GB RAM (Approx. 4GB reserved for RTOS)
Battery1 specs
Battery CapacityKey
Suunto Vertical 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)
OnePlus Watch 2
500 mAh; Up to 100 hours (Smart Mode); Up to 48 hours (Heavy Use); Up to 12 days (Power Saver Mode)
Design2 specs
Weight
Suunto Vertical Solar
74 g / 2.61 oz (Titanium Solar model)
OnePlus Watch 2
49 g (Watch only) / 80 g (with Fluororubber strap)Winner
Water Resistance
Suunto Vertical Solar
100 m (10 ATM)
OnePlus Watch 2
5 ATM (50 m) + IP68 (1.5m for 30 min)
Software1 specs
Operating System
Suunto Vertical Solar
Suunto UI
OnePlus Watch 2
Wear OS 4 + RTOS (Dual-Engine Architecture)
Connectivity1 specs
Connectivity
Suunto Vertical Solar
Bluetooth, Wi-Fi (required for map downloads)
OnePlus Watch 2
Bluetooth 5.0, Wi-Fi 2.4GHz/5GHz (802.11 a/b/g/n)
+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: Suunto Vertical Solar vs OnePlus Watch 2
Suunto Vertical Solar
★4.3(200)Amazon
OnePlus Watch 2
★4.6(538)Amazon
| Criterion | Suunto Vertical Solar | OnePlus Watch 2 |
|---|---|---|
| Rating | ★4.3(200)Amazon | ★4.6(538)Amazon |
Compatibility | Android and iOS (via Suunto app) | Android 8.0+ only (requires GMS 23.45.23+); iOS and Android Go edition NOT supported |
Operating System | Suunto UI | Wear OS 4 + RTOS (Dual-Engine Architecture) |
Case Size | 49mm (49 x 49 x 13.6 mm / 1.93 x 1.93 x 0.54 in) | 47mm (47.0 x 46.6 x 12.1 mm / 1.85 x 1.83 x 0.47 in) |
Case Material | Bezel: Titanium Grade 5; Case: Glass fiber reinforced polyamide; Glass: Sapphire crystal; Strap: Silicone | Chassis: Stainless steel; Bottom: Plastic (PC/PC+glass fiber); Cover: 2.5D Sapphire Crystal |
Display Type | Matrix Memory-in-Pixel (MIP) with LED backlight | AMOLED touchscreen |
Display Size | 1.4 in | 1.43 in (3.63 cm) |
Resolution | 280 x 280 pixels | 466 x 466 pixels (326 ppi); 600 nits default brightness |
Always On Display | Yes (Passive technology) | Yes |
Water Resistance | 100 m (10 ATM) | 5 ATM (50 m) + IP68 (1.5m for 30 min) |
Durability | MIL-STD-810H tested (Military Standard); Operating temp: -20°C to +55°C (-5°F to +130°F) | MIL-STD-810H certified; Sapphire crystal face; Operating temp: -20°C to 55°C |
GPS | Dual-band GNSS (L1 + L5); GPS, GLONASS, GALILEO, QZSS, BEIDOU | Dual-frequency L1 + L5; Beidou, GPS, Galileo, GLONASS, QZSS |
Connectivity | Bluetooth, Wi-Fi (required for map downloads) | Bluetooth 5.0, Wi-Fi 2.4GHz/5GHz (802.11 a/b/g/n) |
NFC Payments | No (Not supported) | Yes (Google Wallet) |
Sensors | Optical heart rate; blood oxygen (SpO2); barometric altimeter; digital compass; depth meter (snorkeling up to 10m) | Optical heart rate; optical pulse oximeter (SpO2); accelerometer; gyroscope; geomagnetic sensor; light sensor; barometer |
Health Features | HRV (Heart Rate Variability); blood oxygen; sleep tracking (duration, quality, stages); stress and recovery status; VO2max | Sleep tracking (stages, score, snoring risk); OHealth breathing training; stress monitoring; heart rate (high/low alerts, resting); blood oxygen (SpO2) |
Workout Modes | 95+ sport modes; Suunto Coach (AI training guidance); offline route navigation; POI navigation; bearing navigation | 100+ sports modes; 6 auto-detection modes (running, walking, cycling, swimming, rowing, elliptical); professional analysis for running, tennis, skiing |
Storage | 32 GB (Flash memory for offline maps) | 32 GB ROM + 2 GB RAM (Approx. 4GB reserved for RTOS) |
Speaker Mic | No (No built-in speaker or microphone) | Yes (Built-in speaker and microphone) |
Calls | No (Notification alerts only; predefined quick replies on Android) | Yes (Bluetooth calling supported in Smart and Power Saver modes) |
Battery | 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) | 500 mAh; Up to 100 hours (Smart Mode); Up to 48 hours (Heavy Use); Up to 12 days (Power Saver Mode) |
Charging | Suunto magnetic fast charger (USB-A); Solar charging | VOOC Fast Charging (7.5W); 100% in 60 mins; 1 day power in 10 mins |
Weight | 74 g / 2.61 oz (Titanium Solar model) | 49 g (Watch only) / 80 g (with Fluororubber strap) |
Band Sizes | Fits wrist sizes 125–175 mm; standard 22 mm quick-release width | Fits wrist sizes 140–210 mm; standard 22 mm quick-release width |
Extras | Free global offline outdoor maps; weather forecast; storm alarm; solar intensity widget; flashlight mode (screen based); snorkeling mode | Dual-Engine architecture (Snapdragon W5 + BES2700); Google Play Store; Google Maps; Google Assistant; Flashlight; Compass; Media controls |
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Suunto Vertical Solar
Rating:★4.3(200)Amazon
Compatibility:Android and iOS (via Suunto app)
Operating System:Suunto UI
Case Size:49mm (49 x 49 x 13.6 mm / 1.93 x 1.93 x 0.54 in)
Case Material:Bezel: Titanium Grade 5; Case: Glass fiber reinforced polyamide; Glass: Sapphire crystal; Strap: Silicone
Display Type:Matrix Memory-in-Pixel (MIP) with LED backlight
Display Size:1.4 in
Resolution:280 x 280 pixels
Always On Display:Yes (Passive technology)
Water Resistance:100 m (10 ATM)
Durability:MIL-STD-810H tested (Military Standard); Operating temp: -20°C to +55°C (-5°F to +130°F)
GPS:Dual-band GNSS (L1 + L5); GPS, GLONASS, GALILEO, QZSS, BEIDOU
Connectivity:Bluetooth, Wi-Fi (required for map downloads)
NFC Payments:No (Not supported)
Sensors:Optical heart rate; blood oxygen (SpO2); barometric altimeter; digital compass; depth meter (snorkeling up to 10m)
Health Features:HRV (Heart Rate Variability); blood oxygen; sleep tracking (duration, quality, stages); stress and recovery status; VO2max
Workout Modes:95+ sport modes; Suunto Coach (AI training guidance); offline route navigation; POI navigation; bearing navigation
Storage:32 GB (Flash memory for offline maps)
Speaker Mic:No (No built-in speaker or microphone)
Calls:No (Notification alerts only; predefined quick replies on Android)
Battery: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:Suunto magnetic fast charger (USB-A); Solar charging
Weight:74 g / 2.61 oz (Titanium Solar model)
Band Sizes:Fits wrist sizes 125–175 mm; standard 22 mm quick-release width
Extras:Free global offline outdoor maps; weather forecast; storm alarm; solar intensity widget; flashlight mode (screen based); snorkeling mode
✓ Pros:
- • Industry-leading battery life with solar charging efficiency
- • Free global offline maps with ample 32GB storage and Wi-Fi downloading
- • Dual-band GNSS offers exceptional accuracy in deep canyons and forests
- • Military-grade construction (MIL-STD-810H) with Titanium and Sapphire
- • Made in Finland with 100% renewable energy
✗ Cons:
- • MIP display is less vibrant than AMOLED competitors
- • No music storage (music controls only)
- • No NFC payments or smart features like voice assistants
- • Large 49mm footprint may be too bulky for small wrists
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OnePlus Watch 2
Rating:★4.6(538)Amazon
Compatibility:Android 8.0+ only (requires GMS 23.45.23+); iOS and Android Go edition NOT supported
Operating System:Wear OS 4 + RTOS (Dual-Engine Architecture)
Case Size:47mm (47.0 x 46.6 x 12.1 mm / 1.85 x 1.83 x 0.47 in)
Case Material:Chassis: Stainless steel; Bottom: Plastic (PC/PC+glass fiber); Cover: 2.5D Sapphire Crystal
Display Type:AMOLED touchscreen
Display Size:1.43 in (3.63 cm)
Resolution:466 x 466 pixels (326 ppi); 600 nits default brightness
Always On Display:Yes
Water Resistance:5 ATM (50 m) + IP68 (1.5m for 30 min)
Durability:MIL-STD-810H certified; Sapphire crystal face; Operating temp: -20°C to 55°C
GPS:Dual-frequency L1 + L5; Beidou, GPS, Galileo, GLONASS, QZSS
Connectivity:Bluetooth 5.0, Wi-Fi 2.4GHz/5GHz (802.11 a/b/g/n)
NFC Payments:Yes (Google Wallet)
Sensors:Optical heart rate; optical pulse oximeter (SpO2); accelerometer; gyroscope; geomagnetic sensor; light sensor; barometer
Health Features:Sleep tracking (stages, score, snoring risk); OHealth breathing training; stress monitoring; heart rate (high/low alerts, resting); blood oxygen (SpO2)
Workout Modes:100+ sports modes; 6 auto-detection modes (running, walking, cycling, swimming, rowing, elliptical); professional analysis for running, tennis, skiing
Storage:32 GB ROM + 2 GB RAM (Approx. 4GB reserved for RTOS)
Speaker Mic:Yes (Built-in speaker and microphone)
Calls:Yes (Bluetooth calling supported in Smart and Power Saver modes)
Battery:500 mAh; Up to 100 hours (Smart Mode); Up to 48 hours (Heavy Use); Up to 12 days (Power Saver Mode)
Charging:VOOC Fast Charging (7.5W); 100% in 60 mins; 1 day power in 10 mins
Weight:49 g (Watch only) / 80 g (with Fluororubber strap)
Band Sizes:Fits wrist sizes 140–210 mm; standard 22 mm quick-release width
Extras:Dual-Engine architecture (Snapdragon W5 + BES2700); Google Play Store; Google Maps; Google Assistant; Flashlight; Compass; Media controls
✓ Pros:
- • Groundbreaking 100-hour battery life for a full-featured Wear OS watch
- • Premium build with stainless steel chassis and sapphire crystal standard
- • Dual-frequency GPS (L1+L5) ensures high accuracy in urban environments
- • Fast charging provides a full day's power in just 10 minutes
- • Fluid performance via Snapdragon W5 Gen 1 processor
✗ Cons:
- • Available in only one large size (47mm), which may not fit small wrists
- • No LTE/Cellular option available
- • Strictly incompatible with iOS (iPhone)
- • Crown rotates but does not function for scrolling menus
As an Amazon Associate I earn from qualifying purchases.
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Which one is better?
The OnePlus Watch 2 is the better buy for most people - its 100-hour battery life crushes the Suunto Vertical Solar's 85 hours. That said, grab the Suunto if you need robust outdoor features and don’t mind a bulkier design - it's built for adventure.
Who should buy each?
Choose the Suunto Vertical Solar if: you love outdoor adventures, rely on GPS for navigation, or need a battery that lasts weeks with solar charging. (2.61 oz weight)
Choose the OnePlus Watch 2 if: you want a stylish smartwatch for everyday use, prefer a vibrant display for notifications, or need Bluetooth calling features. (1.73 oz weight)
Conclusion
Suunto Vertical Solar and OnePlus Watch 2 are both solid choices. Match the strengths above to your budget and workflow to make the best call.
Frequently Asked Questions
+Which has better value?
Suunto Vertical Solar excels if you value industry-leading battery life with solar charging efficiency. OnePlus Watch 2 is better if you prioritize groundbreaking 100-hour battery life for a full-featured wear os watch. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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