Google Pixel Watch 3 (45mm) vs Google Pixel Watch 4 (45mm)
The Google Pixel Watch 4 (45mm) takes the lead with its superior battery life of 40 hours compared to the Google Pixel Watch 3 (45mm)'s 24 hours. You'll love this if you want a smartwatch that can last a weekend without needing a charge. In real-world use, that means less hassle and more freedom for daily activities. If you're considering an upgrade, the Pixel Watch 4's brighter 3000 nits display is a game-changer for outdoor visibility, making it worth every penny for anyone who spends time outside. Key specs: Weight: 1.31 oz vs 1.29 oz and Display: 2000 nits vs 3000 nits.
Why compare these? The Google Pixel Watch 3 (45mm) (high-end) and Google Pixel Watch 4 (45mm) (premium flagship) 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 | Google Pixel |
|---|---|---|
| User Rating | 4.4★ (1,794 reviews) | ✓4.5★ (405 reviews) |
| Top Strength | Significantly larger and brighter display (2000 nits) than predecessors | Battery life significantly improved to 40 hours with AOD enabled |
| Main Drawback | Battery life rated for only 24h with AOD (daily charging required) | Design remains largely unchanged (still uses Gorilla Glass 5) |
| Market Position | Premium | ✓Flagship |
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
Google Pixel Watch 4 (45mm)
Android 11.0 or later (Google account required); not compatible with iOS
Wear OS 6.0 (pre-installed)
45mm (45.0 x 45.0 x 12.3 mm)
100% recycled aluminum case; Custom 3D Corning Gorilla Glass 5
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 Google Pixel Watch 4 (45mm)
Google Pixel Watch 3 (45mm)
Google Pixel Watch 4 (45mm)
| Criterion | Google Pixel Watch 3 (45mm) | Google Pixel Watch 4 (45mm) |
|---|---|---|
| Rating | ★4.4(1,794)Amazon | ★4.5(405)Amazon |
Compatibility | Android 10.0 or newer (requires Google Account and Pixel Watch app); Not compatible with iOS | Android 11.0 or later (Google account required); not compatible with iOS |
Operating System | Wear OS 5.0 | Wear OS 6.0 (pre-installed) |
Case Size | 45mm diameter x 12.3mm height | 45mm (45.0 x 45.0 x 12.3 mm) |
Case Material | 100% recycled aluminum housing; Custom 3D Corning Gorilla Glass 5 | 100% recycled aluminum case; Custom 3D Corning Gorilla Glass 5 |
Display Type | Actua Display (AMOLED LTPO); 1–60Hz responsive refresh rate; Peak brightness 2000 nits; Minimum 1 nit | Actua 360 AMOLED LTPO (1-60Hz) with 15% thinner bezels |
Display Size | 1.4 in (approx. 40% more screen area than Pixel Watch 2) | 1.4 in (Actua 360 domed design) |
Resolution | 456 x 456 pixels (320 ppi); DCI-P3 color | 456 x 456 pixels (320 ppi) |
Always On Display | Yes | Yes (Up to 3,000 nits peak brightness, 1 nit minimum) |
Water Resistance | 5 ATM (ISO 22810:2010); IP68 (Dust and water resistant) | 5 ATM (50 meters) |
Durability | IP68 dust and water resistance rating; Custom 3D Corning Gorilla Glass 5 | IP68 dust and water resistance; Custom 3D Corning Gorilla Glass 5 |
GPS | GPS, GLONASS, Galileo, BeiDou, QZSS | Dual-frequency GPS (L1+L5); GLONASS, Galileo, BeiDou, QZSS, NavIC |
Connectivity | 4G LTE (optional); Wi-Fi 6 (802.11ax) 2.4GHz + 5GHz; Bluetooth 5.3; NFC; Ultra-Wideband (UWB) | Bluetooth 6.0; Wi-Fi 6 (802.11ax) 2.4GHz/5GHz; NFC; Ultra-Wideband (UWB); LTE version available |
NFC Payments | Google Wallet | Google Wallet |
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 | Compass; Altimeter; Red/Infrared SpO2 sensors; Multipurpose electrical sensors (ECG); Multi-path optical heart rate sensor; 3-axis accelerometer; Gyroscope; Ambient light sensor; cEDA sensor (stress); Skin temperature sensor; Barometer; Magnetometer |
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) | Gemini-powered Health Coach; Sleep Apnea detection; Daily Readiness; Cardio Load; ECG app; High/low heart rate notifications; Stress management (cEDA); Skin temperature variation |
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 | 40+ exercise modes; Auto-workout detection; Custom runs; Real-time guidance; Pace training; Heart Zone training |
Storage | 32GB eMMC flash | 32GB eMMC flash |
Speaker Mic | Built-in speaker; Built-in microphone | Built-in speaker (improved for Gemini); Microphone |
Calls | Yes (Bluetooth); LTE models support standalone calls | Yes (via Bluetooth or standalone on LTE models) |
Battery | 420 mAh (typical); Up to 24 hours (Always-on Display enabled); Up to 36 hours (Battery Saver mode) | 455 mAh; Up to 40 hours with Always-On Display; Up to 72 hours in Battery Saver mode |
Charging | USB-C Fast Charging Cable (included); 0–50% in ~28 min; 0–80% in ~50 min; 0–100% in ~80 min | Fast charging (50% in 15 min; 80% in 30 min; 100% in 60 min) via 5-pin magnetic dock |
Weight | 37 g (without band) | 36.7 g (without band) |
Band Sizes | Active Band: Small fits 150–185 mm wrists; Large fits 165–215 mm wrists | Active Band included (Small: 150–185 mm; Large: 165–215 mm) |
Extras | UWB for Watch Unlock and finding devices; Google Home control; Camera Remote for Pixel phones; Offline Google Maps; Recorder app | Snapdragon W5 Gen 2 chip; Cortex M55 co-processor; Satellite SOS (LTE only); Offline Google Maps; Safety Check; Fall Detection |
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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)
Google Pixel Watch 4 (45mm)
Android 11.0 or later (Google account required); not compatible with iOS
Wear OS 6.0 (pre-installed)
45mm (45.0 x 45.0 x 12.3 mm)
100% recycled aluminum case; Custom 3D Corning Gorilla Glass 5
Actua 360 AMOLED LTPO (1-60Hz) with 15% thinner bezels
1.4 in (Actua 360 domed design)
Pros
- Battery life significantly improved to 40 hours with AOD enabled
- Brighter Actua 360 display (3,000 nits) with thinner bezels
Cons
- Design remains largely unchanged (still uses Gorilla Glass 5)
- Requires Android 11.0+ (no iOS support)
Which one is better?
The Google Pixel Watch 4 (45mm) is the better buy for most people - its impressive 40-hour battery life crushes the Pixel Watch 3's 24 hours. That said, grab the Pixel Watch 3 if you prefer a larger display and more advanced running metrics - it's the premium option that offers unique features.
Who should buy each?
Choose the Google Pixel Watch 3 (45mm) if: you need advanced running metrics without external devices, you prefer a larger display for fitness tracking, or you want deeper integration with the Google ecosystem. (1.31 oz weight)
Choose the Google Pixel Watch 4 (45mm) if: you want significantly improved battery life, you value a brighter display for outdoor activities, or you need faster charging capabilities. (1.29 oz weight)
Quality Seekers
Higher user rating (4.5★ vs 4.4★) indicates better overall satisfaction
→ Choose Google Pixel
Safe Choice Buyers
More widely tested with 1,794 reviews vs 405
→ Choose Google Pixel
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 Google Pixel
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
Bottom line: The Google Pixel Watch 4 (45mm) leads with a 4.5★ 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 Google Pixel Watch 4 (45mm)?
Google Pixel Watch 3 (45mm) is the better choice if you prioritize significantly larger and brighter display (2000 nits) than predecessors. Google Pixel Watch 4 (45mm) wins if you value battery life significantly improved to 40 hours with aod enabled. Both are rated highly (4.4★ vs 4.5★), so consider your specific needs and budget.
+What are the main differences between Google Pixel Watch 3 (45mm) and Google Pixel Watch 4 (45mm)?
Key differences: Google Pixel Watch 3 (45mm) offers significantly larger and brighter display (2000 nits) than predecessors, while Google Pixel Watch 4 (45mm) stands out with battery life significantly improved to 40 hours with aod enabled. Consider that Google Pixel Watch 3 (45mm) battery life rated for only 24h with aod (daily charging required). Meanwhile, Google Pixel Watch 4 (45mm) design remains largely unchanged (still uses gorilla glass 5). 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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