Google Pixel Watch 3 (45mm) vs Garmin Instinct 3 Solar
The Google Pixel Watch 3 (45mm) is the premium choice here, boasting a stunning 1.4-inch display at 2000 nits that truly dazzles. In real-world use, this means vibrant visibility, even under bright sunlight, making it ideal for active users. On the flip side, Garmin Instinct 3 Solar offers potentially unlimited battery life with solar charging, which is a game changer for outdoor enthusiasts. You could comfortably use it for weeks without needing to plug it in, unlike the Pixel that demands daily charging to keep up with its 24-hour battery life. Key specs: Weight: 1.31 oz vs 1.83 oz and Storage: 32 GB vs 64 GB.
Why compare these? The Google Pixel Watch 3 (45mm) (high-end) and Garmin Instinct 3 Solar (mid-range) 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 | Google Pixel | Garmin Instinct |
|---|---|---|
| User Rating | 4.4★ (1,794 reviews) | ✓4.6★ (1,634 reviews) |
| Top Strength | Significantly larger and brighter display (2000 nits) than predecessors | Potentially infinite battery life in smartwatch mode with solar charging |
| Main Drawback | Battery life rated for only 24h with AOD (daily charging required) | Monochrome low-resolution display (176x176) lacks detail compared to AMOLED rivals |
| Market Position | ✓Premium | Mid-range |
Google Pixel Watch 3 (45mm)
Android 10.0 or newer (requires Google Account and Pixel Watch app); Not compatible with iOS
Wear OS 5.0
45mm diameter x 12.3mm height
100% recycled aluminum housing; Custom 3D Corning Gorilla Glass 5
Garmin Instinct 3 Solar
iPhone (iOS 16 or later); Android (8.0 or later)
Proprietary Garmin OS
45mm (45 x 45 x 14.5 mm)
Fiber-reinforced polymer case with metal-reinforced bezel; Power Glass lens
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.
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Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Google Pixel Watch 3 (45mm) vs Garmin Instinct 3 Solar
Google Pixel Watch 3 (45mm)
Garmin Instinct 3 Solar
| Criterion | Google Pixel Watch 3 (45mm) | Garmin Instinct 3 Solar |
|---|---|---|
| Rating | ★4.4(1,794)Amazon | ★4.6(1,634)Amazon |
Compatibility | Android 10.0 or newer (requires Google Account and Pixel Watch app); Not compatible with iOS | iPhone (iOS 16 or later); Android (8.0 or later) |
Operating System | Wear OS 5.0 | Proprietary Garmin OS |
Case Size | 45mm diameter x 12.3mm height | 45mm (45 x 45 x 14.5 mm) |
Case Material | 100% recycled aluminum housing; Custom 3D Corning Gorilla Glass 5 | Fiber-reinforced polymer case with metal-reinforced bezel; Power Glass lens |
Display Type | Actua Display (AMOLED LTPO); 1–60Hz responsive refresh rate; Peak brightness 2000 nits; Minimum 1 nit | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) with solar charging |
Display Size | 1.4 in (approx. 40% more screen area than Pixel Watch 2) | Custom two-window design; 0.9 in (23 mm) diameter |
Resolution | 456 x 456 pixels (320 ppi); DCI-P3 color | 176 x 176 pixels |
Always On Display | Yes | Yes (MIP display is always visible) |
Water Resistance | 5 ATM (ISO 22810:2010); IP68 (Dust and water resistant) | 10 ATM (100 meters) |
Durability | IP68 dust and water resistance rating; Custom 3D Corning Gorilla Glass 5 | MIL-STD-810 thermal, shock, and water resistance; Metal-reinforced polymer bezel |
GPS | GPS, GLONASS, Galileo, BeiDou, QZSS | Multi-band GNSS with SatIQ technology; GPS, GLONASS, Galileo |
Connectivity | 4G LTE (optional); Wi-Fi 6 (802.11ax) 2.4GHz + 5GHz; Bluetooth 5.3; NFC; Ultra-Wideband (UWB) | Bluetooth 5.3; ANT+; USB |
NFC Payments | Google Wallet | Garmin Pay |
Sensors | Compass; Altimeter; Red and infrared sensors for oxygen saturation (SpO2); Multipurpose electrical sensors (ECG); Multi-path optical heart rate sensor; 3-axis accelerometer; Gyroscope; Ambient light sensor; cEDA sensor (stress); Skin temperature sensor; Ultra-Wideband | Garmin Elevate Gen 4 wrist heart rate monitor; Pulse Ox; Barometric altimeter; Compass; Gyroscope; Accelerometer; Thermometer |
Health Features | Loss of Pulse Detection; Daily Readiness; Cardio Load; Target Load; Sleep Profile; ECG app; SpO2; High/low heart rate notifications; Irregular heart rhythm notifications; Skin temperature variations; Body Response (stress detection) | Sleep Coach; Nap detection; Body Battery energy monitoring; HRV Status; Morning Report; Stress tracking; Respiration rate |
Workout Modes | Advanced Running Form (Cadence, Stride Length, Vertical Oscillation, Ground Contact Time); Custom Runs; Interval Training; 40+ exercise modes including HIIT, Pilates, Strength, Cross-country skiing, and more | Strength; HIIT; Cardio; Elliptical; Stair Stepping; Indoor Rowing; Running (Outdoor/Trail/Treadmill); Cycling; Swimming (Pool/Open Water); Obstacle Racing; Triathlon |
Storage | 32GB eMMC flash | 64MB (History and CIQ apps only; No onboard music storage) |
Speaker Mic | Built-in speaker; Built-in microphone | — |
Calls | Yes (Bluetooth); LTE models support standalone calls | No (Call notifications only) |
Battery | 420 mAh (typical); Up to 24 hours (Always-on Display enabled); Up to 36 hours (Battery Saver mode) | Smartwatch: Unlimited with solar (28 days without); GPS: Up to 30 hours (48 hours with solar); Expedition GPS: Unlimited with solar |
Charging | USB-C Fast Charging Cable (included); 0–50% in ~28 min; 0–80% in ~50 min; 0–100% in ~80 min | Garmin proprietary plug charger; Solar charging (Power Glass) |
Weight | 37 g (without band) | 52 g |
Band Sizes | Active Band: Small fits 150–185 mm wrists; Large fits 165–215 mm wrists | Fits wrists 135-230 mm; Compatible with QuickFit 22 watch bands |
Extras | UWB for Watch Unlock and finding devices; Google Home control; Camera Remote for Pixel phones; Offline Google Maps; Recorder app | Built-in LED Flashlight (White/Red strobe); Safety and Tracking features; Reference Point; TracBack routing |
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Google Pixel Watch 3 (45mm)
Android 10.0 or newer (requires Google Account and Pixel Watch app); Not compatible with iOS
Wear OS 5.0
45mm diameter x 12.3mm height
100% recycled aluminum housing; Custom 3D Corning Gorilla Glass 5
Actua Display (AMOLED LTPO); 1–60Hz responsive refresh rate; Peak brightness 2000 nits; Minimum 1 nit
1.4 in (approx. 40% more screen area than Pixel Watch 2)
Pros
- Significantly larger and brighter display (2000 nits) than predecessors
- Advanced running metrics (stride, oscillation) without external pods
Cons
- Battery life rated for only 24h with AOD (daily charging required)
- Strictly incompatible with iPhone (Android 10+ only)
Garmin Instinct 3 Solar
iPhone (iOS 16 or later); Android (8.0 or later)
Proprietary Garmin OS
45mm (45 x 45 x 14.5 mm)
Fiber-reinforced polymer case with metal-reinforced bezel; Power Glass lens
Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) with solar charging
Custom two-window design; 0.9 in (23 mm) diameter
Pros
- Potentially infinite battery life in smartwatch mode with solar charging
- Built-in LED flashlight is now available on the standard 45mm size
Cons
- Monochrome low-resolution display (176x176) lacks detail compared to AMOLED rivals
- No onboard music storage or maps (breadcrumb navigation only)
Which one is better?
The Google Pixel Watch 3 (45mm) is the better buy for most people - its 1.4-inch, 2000 nits display crushes the Garmin's smaller screen. That said, grab the Garmin Instinct 3 Solar if you prioritize outdoor adventures and need battery life that lasts indefinitely.
Who should buy each?
Choose the Google Pixel Watch 3 (45mm) if: you want a vibrant 1.4" AMOLED display for clear visibility, you love deep integration with Google services, or you need advanced running metrics without extra pods.
Choose the Garmin Instinct 3 Solar if: you require unlimited battery life for multi-day trips, you prefer a rugged design for outdoor activities, or you value a smartwatch for daily wear. (1.83 oz weight, 64 GB storage)
Quality Seekers
Higher user rating (4.6★ vs 4.4★) indicates better overall satisfaction
→ Choose Garmin Instinct
Premium Buyers
Higher-tier option with more premium features and build quality
→ Choose Google Pixel
Value Seekers
Better value proposition for buyers who don't need top-tier features
→ Choose Garmin Instinct
Significantly larger and Priority
Significantly larger and brighter display (2000 nits) than predecessors
→ Choose Google Pixel
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 Instinct 3 Solar leads with a 4.6★ rating versus 4.4★. That said, Google Pixel Watch 3 (45mm) could still be the right pick depending on your specific priorities.
Frequently Asked Questions
+Which is better: Google Pixel Watch 3 (45mm) or Garmin Instinct 3 Solar?
Google Pixel Watch 3 (45mm) is the better choice if you prioritize significantly larger and brighter display (2000 nits) than predecessors. Garmin Instinct 3 Solar wins if you value potentially infinite battery life in smartwatch mode with solar charging. Both are rated highly (4.4★ vs 4.6★), so consider your specific needs and budget.
+What are the main differences between Google Pixel Watch 3 (45mm) and Garmin Instinct 3 Solar?
Key differences: Google Pixel Watch 3 (45mm) offers significantly larger and brighter display (2000 nits) than predecessors, while Garmin Instinct 3 Solar stands out with potentially infinite battery life in smartwatch mode with solar charging. Consider that Google Pixel Watch 3 (45mm) battery life rated for only 24h with aod (daily charging required). Meanwhile, Garmin Instinct 3 Solar monochrome low-resolution display (176x176) lacks detail compared to amoled rivals. 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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