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2026 comparison
Updated Jan 7, 2026
|Sources: Amazon, ManufacturerCOROS VERTIX 2S vs Google Pixel Watch 4 (45mm)
If you're after the best in battery life, the COROS VERTIX 2S crushes the Google Pixel Watch 4 (45mm) with a staggering 118 hours of GPS tracking. This makes it the go-to choice for serious adventurers who need their device to last through lengthy outdoor activities without a recharge. If you're looking for a premium smartwatch experience with a vibrant display and smart features, the Pixel Watch 4 offers a 456 x 456 pixel display that's hard to beat. After using both, the real kicker is how each excels in its own territory: endurance vs. everyday usability.
⚖️ Weight: 3.07 oz vs 1.29 oz⚖️ Water Resistance: 10 ATM vs 5 ATM📱 Display: 280x280 vs 456x456 pixels
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COROS VERTIX 2S
★4
(89)•Amazon
Compatibility:Android and iOS (via COROS app)
Operating System:COROS UI
Case Size:50.3mm (50.3 x 50.3 x 16.0 mm / 1.98 x 1.98 x 0.63 in)
Case Material:Bezel: Grade 5 Titanium Alloy with PVD coating; Body: Titanium Alloy with PVD coating; Glass: Sapphire crystal
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Google Pixel Watch 4 (45mm)
★4.5
(405)•Amazon
Compatibility:Android 11.0 or later (Google account required); not compatible with iOS
Operating System:Wear OS 6.0 (pre-installed)
Case Size:45mm (45.0 x 45.0 x 12.3 mm)
Case Material:100% recycled aluminum case; Custom 3D Corning Gorilla Glass 5
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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
COROS VERTIX 2S
Google Pixel Watch 4 (45mm)
Display2 specs
Display SizeKey
COROS VERTIX 2S
1.4 in
Google Pixel Watch 4 (45mm)
1.4 in (Actua 360 domed design)
Resolution
COROS VERTIX 2S
280 x 280 pixels (64 colors)
Google Pixel Watch 4 (45mm)
456 x 456 pixels (320 ppi)
Performance1 specs
Storage
COROS VERTIX 2S
32 GB (Music storage and Maps)
Google Pixel Watch 4 (45mm)
32GB eMMC flash
Battery1 specs
Battery CapacityKey
COROS VERTIX 2S
Up to 40 days (Daily Use); 118 hours (Standard Full GPS); 73 hours (All Systems On); 43 hours (Dual Frequency)
Google Pixel Watch 4 (45mm)
455 mAh; Up to 40 hours with Always-On Display; Up to 72 hours in Battery Saver mode
Design2 specs
Weight
COROS VERTIX 2S
87 g (with Silicone band) / 70 g (with Nylon band) / 61 g (Body only)
Google Pixel Watch 4 (45mm)
36.7 g (without band)Winner
Water Resistance
COROS VERTIX 2S
10 ATM (100 m)
Google Pixel Watch 4 (45mm)
5 ATM (50 meters)
Software1 specs
Operating System
COROS VERTIX 2S
COROS UI
Google Pixel Watch 4 (45mm)
Wear OS 6.0 (pre-installed)
Connectivity1 specs
Connectivity
COROS VERTIX 2S
Bluetooth, Wi-Fi (for data sync and firmware updates)
Google Pixel Watch 4 (45mm)
Bluetooth 6.0; Wi-Fi 6 (802.11ax) 2.4GHz/5GHz; NFC; Ultra-Wideband (UWB); LTE version available
+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: COROS VERTIX 2S vs Google Pixel Watch 4 (45mm)
COROS VERTIX 2S
★4(89)Amazon
Google Pixel Watch 4 (45mm)
★4.5(405)Amazon
| Criterion | COROS VERTIX 2S | Google Pixel Watch 4 (45mm) |
|---|---|---|
| Rating | ★4(89)Amazon | ★4.5(405)Amazon |
Compatibility | Android and iOS (via COROS app) | Android 11.0 or later (Google account required); not compatible with iOS |
Operating System | COROS UI | Wear OS 6.0 (pre-installed) |
Case Size | 50.3mm (50.3 x 50.3 x 16.0 mm / 1.98 x 1.98 x 0.63 in) | 45mm (45.0 x 45.0 x 12.3 mm) |
Case Material | Bezel: Grade 5 Titanium Alloy with PVD coating; Body: Titanium Alloy with PVD coating; Glass: Sapphire crystal | 100% recycled aluminum case; Custom 3D Corning Gorilla Glass 5 |
Display Type | Transflective Memory-in-Pixel (LCD) touchscreen | Actua 360 AMOLED LTPO (1-60Hz) with 15% thinner bezels |
Display Size | 1.4 in | 1.4 in (Actua 360 domed design) |
Resolution | 280 x 280 pixels (64 colors) | 456 x 456 pixels (320 ppi) |
Always On Display | Yes (Memory LCD technology) | Yes (Up to 3,000 nits peak brightness, 1 nit minimum) |
Water Resistance | 10 ATM (100 m) | 5 ATM (50 meters) |
Durability | Operating temp: -22°F to 122°F (-30°C to 50°C); scratch-resistant sapphire; titanium chassis | IP68 dust and water resistance; Custom 3D Corning Gorilla Glass 5 |
GPS | Dual-Frequency GNSS (L1 + L5); GPS, GLONASS, Galileo, Beidou, QZSS | Dual-frequency GPS (L1+L5); GLONASS, Galileo, BeiDou, QZSS, NavIC |
Connectivity | Bluetooth, Wi-Fi (for data sync and firmware updates) | Bluetooth 6.0; Wi-Fi 6 (802.11ax) 2.4GHz/5GHz; NFC; Ultra-Wideband (UWB); LTE version available |
NFC Payments | No (Not supported) | Google Wallet |
Sensors | Next-Gen Optical Heart Rate; Barometric Altimeter; Accelerometer; Gyroscope; 3D Compass; Thermometer; Optical Pulse Oximeter; ECG Sensor | 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 | HRV Index; Sleep tracking (REM/Deep/Light); SpO2 (Altitude mode); Daily Stress; Recovery time; Resting Heart Rate | 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 | Multi-pitch climbing, Trail Running, Hiking, Skiing (XC/Touring/Downhill), Surfing (Speed/Wind), Whitewater, Triathlon, Strength | 40+ exercise modes; Auto-workout detection; Custom runs; Real-time guidance; Pace training; Heart Zone training |
Storage | 32 GB (Music storage and Maps) | 32GB eMMC flash |
Speaker Mic | No (Beep alerts and vibration only) | Built-in speaker (improved for Gemini); Microphone |
Calls | No (Notification alerts only) | Yes (via Bluetooth or standalone on LTE models) |
Battery | Up to 40 days (Daily Use); 118 hours (Standard Full GPS); 73 hours (All Systems On); 43 hours (Dual Frequency) | 455 mAh; Up to 40 hours with Always-On Display; Up to 72 hours in Battery Saver mode |
Charging | COROS proprietary charging cable (USB-A) | Fast charging (50% in 15 min; 80% in 30 min; 100% in 60 min) via 5-pin magnetic dock |
Weight | 87 g (with Silicone band) / 70 g (with Nylon band) / 61 g (Body only) | 36.7 g (without band) |
Band Sizes | Silicone: 130–240 mm; Nylon: 155–225 mm; 26 mm Quick Fit width | Active Band included (Small: 150–185 mm; Large: 165–215 mm) |
Extras | Global offline landscape/topo maps; Music playback (MP3 via Bluetooth); GoPro/Insta360 camera control; Digital Dial navigation; Storm alerts | Snapdragon W5 Gen 2 chip; Cortex M55 co-processor; Satellite SOS (LTE only); Offline Google Maps; Safety Check; Fall Detection |
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COROS VERTIX 2S
Rating:★4(89)Amazon
Compatibility:Android and iOS (via COROS app)
Operating System:COROS UI
Case Size:50.3mm (50.3 x 50.3 x 16.0 mm / 1.98 x 1.98 x 0.63 in)
Case Material:Bezel: Grade 5 Titanium Alloy with PVD coating; Body: Titanium Alloy with PVD coating; Glass: Sapphire crystal
Display Type:Transflective Memory-in-Pixel (LCD) touchscreen
Display Size:1.4 in
Resolution:280 x 280 pixels (64 colors)
Always On Display:Yes (Memory LCD technology)
Water Resistance:10 ATM (100 m)
Durability:Operating temp: -22°F to 122°F (-30°C to 50°C); scratch-resistant sapphire; titanium chassis
GPS:Dual-Frequency GNSS (L1 + L5); GPS, GLONASS, Galileo, Beidou, QZSS
Connectivity:Bluetooth, Wi-Fi (for data sync and firmware updates)
NFC Payments:No (Not supported)
Sensors:Next-Gen Optical Heart Rate; Barometric Altimeter; Accelerometer; Gyroscope; 3D Compass; Thermometer; Optical Pulse Oximeter; ECG Sensor
Health Features:HRV Index; Sleep tracking (REM/Deep/Light); SpO2 (Altitude mode); Daily Stress; Recovery time; Resting Heart Rate
Workout Modes:Multi-pitch climbing, Trail Running, Hiking, Skiing (XC/Touring/Downhill), Surfing (Speed/Wind), Whitewater, Triathlon, Strength
Storage:32 GB (Music storage and Maps)
Speaker Mic:No (Beep alerts and vibration only)
Calls:No (Notification alerts only)
Battery:Up to 40 days (Daily Use); 118 hours (Standard Full GPS); 73 hours (All Systems On); 43 hours (Dual Frequency)
Charging:COROS proprietary charging cable (USB-A)
Weight:87 g (with Silicone band) / 70 g (with Nylon band) / 61 g (Body only)
Band Sizes:Silicone: 130–240 mm; Nylon: 155–225 mm; 26 mm Quick Fit width
Extras:Global offline landscape/topo maps; Music playback (MP3 via Bluetooth); GoPro/Insta360 camera control; Digital Dial navigation; Storm alerts
✓ Pros:
- • Class-leading battery life (118 hours standard GPS, 40 days daily use)
- • Updated next-gen heart rate sensor for improved accuracy over Vertix 2
- • Dual-frequency GNSS provides rock-solid tracking in steep terrain
- • Bombproof build quality with full titanium body and sapphire glass
- • 32GB storage for offline global maps and music without phone dependency
✗ Cons:
- • No NFC payments or streaming music support (Spotify/Apple Music)
- • Large 50.3mm case is very bulky for smaller wrists
- • Screen is less vibrant and lower resolution than AMOLED competitors
- • No built-in speaker or microphone for voice notes or calls
As an Amazon Associate I earn from qualifying purchases.
Check Price on Amazon→
Google Pixel Watch 4 (45mm)
Rating:★4.5(405)Amazon
Compatibility:Android 11.0 or later (Google account required); not compatible with iOS
Operating System:Wear OS 6.0 (pre-installed)
Case Size:45mm (45.0 x 45.0 x 12.3 mm)
Case Material:100% recycled aluminum case; Custom 3D Corning Gorilla Glass 5
Display Type:Actua 360 AMOLED LTPO (1-60Hz) with 15% thinner bezels
Display Size:1.4 in (Actua 360 domed design)
Resolution:456 x 456 pixels (320 ppi)
Always On Display:Yes (Up to 3,000 nits peak brightness, 1 nit minimum)
Water Resistance:5 ATM (50 meters)
Durability:IP68 dust and water resistance; Custom 3D Corning Gorilla Glass 5
GPS:Dual-frequency GPS (L1+L5); GLONASS, Galileo, BeiDou, QZSS, NavIC
Connectivity:Bluetooth 6.0; Wi-Fi 6 (802.11ax) 2.4GHz/5GHz; NFC; Ultra-Wideband (UWB); LTE version available
NFC Payments:Google Wallet
Sensors: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: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:40+ exercise modes; Auto-workout detection; Custom runs; Real-time guidance; Pace training; Heart Zone training
Storage:32GB eMMC flash
Speaker Mic:Built-in speaker (improved for Gemini); Microphone
Calls:Yes (via Bluetooth or standalone on LTE models)
Battery:455 mAh; Up to 40 hours with Always-On Display; Up to 72 hours in Battery Saver mode
Charging:Fast charging (50% in 15 min; 80% in 30 min; 100% in 60 min) via 5-pin magnetic dock
Weight:36.7 g (without band)
Band Sizes:Active Band included (Small: 150–185 mm; Large: 165–215 mm)
Extras:Snapdragon W5 Gen 2 chip; Cortex M55 co-processor; Satellite SOS (LTE only); Offline Google Maps; Safety Check; Fall Detection
✓ Pros:
- • Battery life significantly improved to 40 hours with AOD enabled
- • Brighter Actua 360 display (3,000 nits) with thinner bezels
- • Faster charging (0-50% in just 15 minutes)
- • New Satellite SOS feature for emergency communication (LTE models)
✗ Cons:
- • Design remains largely unchanged (still uses Gorilla Glass 5)
- • Requires Android 11.0+ (no iOS support)
- • Case thickness (12.3mm) is substantial compared to competitors
- • Satellite SOS requires an active LTE plan/carrier support
As an Amazon Associate I earn from qualifying purchases.
Check Price on Amazon→
Which one is better?
The COROS VERTIX 2S is the better buy for most people - its incredible 118-hour GPS battery life crushes the Google Pixel Watch 4 (45mm). That said, grab the Pixel Watch 4 if you want a more versatile smartwatch experience with a beautiful display and built-in calling feature - it's lighter.
Who should buy each?
Choose the COROS VERTIX 2S if: you need a watch for long hikes or runs, want up to 40 days of battery in daily use, or prioritize rugged durability.
Choose the Google Pixel Watch 4 (45mm) if: you prefer a bright AMOLED display, want quick access to smartphone features, or need fitness tracking with smart notifications. (1.29 oz weight)
Conclusion
With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.
Frequently Asked Questions
+Which has better value?
COROS VERTIX 2S excels if you value class-leading battery life (118 hours standard gps, 40 days daily use). Google Pixel Watch 4 (45mm) is better if you prioritize battery life significantly improved to 40 hours with aod enabled. 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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