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2026 comparison
Updated Jan 16, 2026
|Sources: Amazon, ManufacturerCOROS VERTIX 2S vs Samsung Galaxy Watch Ultra
COROS VERTIX 2S vs Samsung Galaxy Watch Ultra: which is the right fit? We cover performance, value, and use cases to make the call easier.
Ratings: 4★ vs 4.4★
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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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Samsung Galaxy Watch Ultra
★4.4
(243)•Amazon
Compatibility:Android 11.0 or higher with 1.5GB+ RAM; Samsung Galaxy phone required for Energy Score, ECG, Sleep Apnea, and IHRN features
Operating System:Wear OS 5 powered by Samsung (One UI 6 Watch)
Case Size:47.4mm H x 47.1mm W x 12.1mm D
Case Material:Titanium (Grade 4) frame with cushion design; Sapphire Crystal glass
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Comparison: COROS VERTIX 2S vs Samsung Galaxy Watch Ultra
COROS VERTIX 2S
★4(89)Amazon
Samsung Galaxy Watch Ultra
★4.4(243)Amazon
| Criterion | COROS VERTIX 2S | Samsung Galaxy Watch Ultra |
|---|---|---|
| Rating | ★4(89)Amazon | ★4.4(243)Amazon |
Compatibility | Android and iOS (via COROS app) | Android 11.0 or higher with 1.5GB+ RAM; Samsung Galaxy phone required for Energy Score, ECG, Sleep Apnea, and IHRN features |
Operating System | COROS UI | Wear OS 5 powered by Samsung (One UI 6 Watch) |
Case Size | 50.3mm (50.3 x 50.3 x 16.0 mm / 1.98 x 1.98 x 0.63 in) | 47.4mm H x 47.1mm W x 12.1mm D |
Case Material | Bezel: Grade 5 Titanium Alloy with PVD coating; Body: Titanium Alloy with PVD coating; Glass: Sapphire crystal | Titanium (Grade 4) frame with cushion design; Sapphire Crystal glass |
Display Type | Transflective Memory-in-Pixel (LCD) touchscreen | Super AMOLED; Always-On Display; Peak brightness 3000 nits |
Display Size | 1.4 in | 1.5 in (37.3 mm) circular display |
Resolution | 280 x 280 pixels (64 colors) | 480 x 480 pixels |
Always On Display | Yes (Memory LCD technology) | Yes |
Water Resistance | 10 ATM (100 m) | 10 ATM + IP68 (ISO 22810 standard); Ocean swimming capable |
Durability | Operating temp: -22°F to 122°F (-30°C to 50°C); scratch-resistant sapphire; titanium chassis | MIL-STD-810H certified; Operating temp -20°C to 55°C; 9000m altitude resistance |
GPS | Dual-Frequency GNSS (L1 + L5); GPS, GLONASS, Galileo, Beidou, QZSS | Dual-frequency GPS (L1+L5); Glonass; Beidou; Galileo |
Connectivity | Bluetooth, Wi-Fi (for data sync and firmware updates) | LTE (eSIM standard on all models); Wi-Fi 2.4+5GHz; Bluetooth 5.3; NFC |
NFC Payments | No (Not supported) | Samsung Wallet / Google Wallet |
Sensors | Next-Gen Optical Heart Rate; Barometric Altimeter; Accelerometer; Gyroscope; 3D Compass; Thermometer; Optical Pulse Oximeter; ECG Sensor | Samsung BioActive Sensor (Optical Bio-signal + Electrical Heart + Bioelectrical Impedance Analysis); Temperature sensor; Accelerometer; Barometer; Gyro sensor; Geomagnetic sensor; Light sensor |
Health Features | HRV Index; Sleep tracking (REM/Deep/Light); SpO2 (Altitude mode); Daily Stress; Recovery time; Resting Heart Rate | Energy Score; Sleep Apnea detection (FDA authorized); AGEs Index; Body Composition; ECG; Irregular Heart Rhythm Notification; Cycle Tracking with skin temperature; Sleep coaching |
Workout Modes | Multi-pitch climbing, Trail Running, Hiking, Skiing (XC/Touring/Downhill), Surfing (Speed/Wind), Whitewater, Triathlon, Strength | Multisport tile (Triathlon/Duathlon/Aquathlon); Functional Threshold Power (FTP) for cycling; Race Partner; Track Back; Custom workouts via Quick Button |
Storage | 32 GB (Music storage and Maps) | 32GB |
Speaker Mic | No (Beep alerts and vibration only) | Speaker (with Siren support); Microphone |
Calls | No (Notification alerts only) | Yes (LTE standalone or via paired phone) |
Battery | Up to 40 days (Daily Use); 118 hours (Standard Full GPS); 73 hours (All Systems On); 43 hours (Dual Frequency) | 590mAh; Up to 100 hours (Power Saving); Up to 60 hours (Normal use, AOD off); Up to 48 hours (Exercise Power Saving) |
Charging | COROS proprietary charging cable (USB-A) | Fast Wireless Charging (WPC Inductive); Proprietary puck required for max speed |
Weight | 87 g (with Silicone band) / 70 g (with Nylon band) / 61 g (Body only) | 60.5 g (Body only) |
Band Sizes | Silicone: 130–240 mm; Nylon: 155–225 mm; 26 mm Quick Fit width | One Size (fits 145–205mm wrists via Dynamic Lug System) |
Extras | Global offline landscape/topo maps; Music playback (MP3 via Bluetooth); GoPro/Insta360 camera control; Digital Dial navigation; Storm alerts | Quick Button (customizable); 86dB Emergency Siren; Night Mode watch face; Gesture controls (Double Pinch) |
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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
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Samsung Galaxy Watch Ultra
Rating:★4.4(243)Amazon
Compatibility:Android 11.0 or higher with 1.5GB+ RAM; Samsung Galaxy phone required for Energy Score, ECG, Sleep Apnea, and IHRN features
Operating System:Wear OS 5 powered by Samsung (One UI 6 Watch)
Case Size:47.4mm H x 47.1mm W x 12.1mm D
Case Material:Titanium (Grade 4) frame with cushion design; Sapphire Crystal glass
Display Type:Super AMOLED; Always-On Display; Peak brightness 3000 nits
Display Size:1.5 in (37.3 mm) circular display
Resolution:480 x 480 pixels
Always On Display:Yes
Water Resistance:10 ATM + IP68 (ISO 22810 standard); Ocean swimming capable
Durability:MIL-STD-810H certified; Operating temp -20°C to 55°C; 9000m altitude resistance
GPS:Dual-frequency GPS (L1+L5); Glonass; Beidou; Galileo
Connectivity:LTE (eSIM standard on all models); Wi-Fi 2.4+5GHz; Bluetooth 5.3; NFC
NFC Payments:Samsung Wallet / Google Wallet
Sensors:Samsung BioActive Sensor (Optical Bio-signal + Electrical Heart + Bioelectrical Impedance Analysis); Temperature sensor; Accelerometer; Barometer; Gyro sensor; Geomagnetic sensor; Light sensor
Health Features:Energy Score; Sleep Apnea detection (FDA authorized); AGEs Index; Body Composition; ECG; Irregular Heart Rhythm Notification; Cycle Tracking with skin temperature; Sleep coaching
Workout Modes:Multisport tile (Triathlon/Duathlon/Aquathlon); Functional Threshold Power (FTP) for cycling; Race Partner; Track Back; Custom workouts via Quick Button
Storage:32GB
Speaker Mic:Speaker (with Siren support); Microphone
Calls:Yes (LTE standalone or via paired phone)
Battery:590mAh; Up to 100 hours (Power Saving); Up to 60 hours (Normal use, AOD off); Up to 48 hours (Exercise Power Saving)
Charging:Fast Wireless Charging (WPC Inductive); Proprietary puck required for max speed
Weight:60.5 g (Body only)
Band Sizes:One Size (fits 145–205mm wrists via Dynamic Lug System)
Extras:Quick Button (customizable); 86dB Emergency Siren; Night Mode watch face; Gesture controls (Double Pinch)
✓ Pros:
- • True multi-day battery life (up to 100h in power saving)
- • Extremely durable Grade 4 Titanium build with 10ATM rating
- • Dual-frequency GPS (L1+L5) provides superior tracking accuracy
- • Brightest display in class (3000 nits) for outdoor visibility
- • Exclusive features like Siren and Multisport tile for triathletes
✗ Cons:
- • Large 47mm square-circle design may not fit smaller wrists
- • Key health features (ECG, Sleep Apnea) locked to Samsung phones
- • Proprietary band attachment (Dynamic Lug) limits third-party options
- • Charging speed is slower (~2 hours) compared to competitors
As an Amazon Associate I earn from qualifying purchases.
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Which one is better?
Looking at user satisfaction (Samsung Galaxy Watch Ultra: 4.0★ vs COROS VERTIX 2S: 4.4★), Samsung Galaxy Watch Ultra pulls ahead. The gap is small—choose based on the priorities below.
Who should buy each?
Expert take:
- COROS VERTIX 2S suits buyers who need Class-leading battery life (118 hours standard GPS, 40 days daily use), Updated next-gen heart rate sensor for improved accuracy over Vertix 2
- Samsung Galaxy Watch Ultra suits buyers who want True multi-day battery life (up to 100h in power saving), Extremely durable Grade 4 Titanium build with 10ATM rating
Conclusion
COROS VERTIX 2S and Samsung Galaxy Watch Ultra 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?
COROS VERTIX 2S excels if you value class-leading battery life (118 hours standard gps, 40 days daily use). Samsung Galaxy Watch Ultra is better if you prioritize true multi-day battery life (up to 100h in power saving). 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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