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2026 comparison
Updated Jan 16, 2026
|Sources: Amazon, ManufacturerOnePlus Watch 2 vs Samsung Galaxy Watch 7
OnePlus Watch 2 vs Samsung Galaxy Watch 7: which is the right fit? We cover performance, value, and use cases to make the call easier.
Ratings: 4.6★ vs 4.5★
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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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Samsung Galaxy Watch 7
★4.5
(6,385)•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:44mm (44.4 x 44.4 x 9.7 mm) or 40mm (40.4 x 40.4 x 9.7 mm)
Case Material:Armor Aluminum 2 case; Sapphire Crystal glass
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Comparison: OnePlus Watch 2 vs Samsung Galaxy Watch 7
OnePlus Watch 2
★4.6(538)Amazon
Samsung Galaxy Watch 7
★4.5(6,385)Amazon
| Criterion | OnePlus Watch 2 | Samsung Galaxy Watch 7 |
|---|---|---|
| Rating | ★4.6(538)Amazon | ★4.5(6,385)Amazon |
Compatibility | Android 8.0+ only (requires GMS 23.45.23+); iOS and Android Go edition NOT supported | 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 4 + RTOS (Dual-Engine Architecture) | Wear OS 5 powered by Samsung (One UI 6 Watch) |
Case Size | 47mm (47.0 x 46.6 x 12.1 mm / 1.85 x 1.83 x 0.47 in) | 44mm (44.4 x 44.4 x 9.7 mm) or 40mm (40.4 x 40.4 x 9.7 mm) |
Case Material | Chassis: Stainless steel; Bottom: Plastic (PC/PC+glass fiber); Cover: 2.5D Sapphire Crystal | Armor Aluminum 2 case; Sapphire Crystal glass |
Display Type | AMOLED touchscreen | Super AMOLED; Always-On Display; Peak brightness 2000 nits |
Display Size | 1.43 in (3.63 cm) | 1.5 in (44mm) / 1.3 in (40mm) |
Resolution | 466 x 466 pixels (326 ppi); 600 nits default brightness | 480 x 480 pixels (44mm); 432 x 432 pixels (40mm) |
Always On Display | Yes | Yes |
Water Resistance | 5 ATM (50 m) + IP68 (1.5m for 30 min) | 5 ATM + IP68 (water resistant up to 50 meters for 10 min) |
Durability | MIL-STD-810H certified; Sapphire crystal face; Operating temp: -20°C to 55°C | MIL-STD-810H certified; Dust tight (IP68) |
GPS | Dual-frequency L1 + L5; Beidou, GPS, Galileo, GLONASS, QZSS | Dual-frequency GPS (L1+L5); Glonass; Beidou; Galileo |
Connectivity | Bluetooth 5.0, Wi-Fi 2.4GHz/5GHz (802.11 a/b/g/n) | LTE (optional); Wi-Fi 2.4+5GHz; Bluetooth 5.3; NFC |
NFC Payments | Yes (Google Wallet) | Samsung Wallet / Google Wallet |
Sensors | Optical heart rate; optical pulse oximeter (SpO2); accelerometer; gyroscope; geomagnetic sensor; light sensor; barometer | Samsung BioActive Sensor (Optical Bio-signal + Electrical Heart + Bioelectrical Impedance Analysis); Temperature sensor; Accelerometer; Barometer; Gyro sensor; Geomagnetic sensor; Light sensor |
Health Features | Sleep tracking (stages, score, snoring risk); OHealth breathing training; stress monitoring; heart rate (high/low alerts, resting); blood oxygen (SpO2) | Energy Score; Sleep Apnea detection (FDA authorized); AGEs Index; Body Composition (BIA); ECG; Irregular Heart Rhythm Notification; Cycle Tracking with skin temperature; Sleep coaching |
Workout Modes | 100+ sports modes; 6 auto-detection modes (running, walking, cycling, swimming, rowing, elliptical); professional analysis for running, tennis, skiing | Advanced Run Coaching; Race (compete against past results); Track Back; Custom Interval Training; Swimming (Pool & Open Water); Cycling; Hiking; Circuit Training; and 100+ others via Samsung Health |
Storage | 32 GB ROM + 2 GB RAM (Approx. 4GB reserved for RTOS) | 32GB |
Speaker Mic | Yes (Built-in speaker and microphone) | Speaker; Microphone |
Calls | Yes (Bluetooth calling supported in Smart and Power Saver modes) | Yes (LTE standalone or via paired phone) |
Battery | 500 mAh; Up to 100 hours (Smart Mode); Up to 48 hours (Heavy Use); Up to 12 days (Power Saver Mode) | 425 mAh (44mm) / 300 mAh (40mm); Up to 40 hours (AOD off); Up to 30 hours (AOD on) |
Charging | VOOC Fast Charging (7.5W); 100% in 60 mins; 1 day power in 10 mins | Fast Wireless Charging (WPC Inductive); 0-45% in approx. 30 mins |
Weight | 49 g (Watch only) / 80 g (with Fluororubber strap) | 33.8 g (44mm) / 28.8 g (40mm) (Body only) |
Band Sizes | Fits wrist sizes 140–210 mm; standard 22 mm quick-release width | Fits 20mm standard bands (One Click system) |
Extras | Dual-Engine architecture (Snapdragon W5 + BES2700); Google Play Store; Google Maps; Google Assistant; Flashlight; Compass; Media controls | Exynos W1000 (3nm) Processor; Galaxy AI features (Smart Reply, Voice-to-Text summaries); Double Pinch gesture |
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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
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Samsung Galaxy Watch 7
Rating:★4.5(6,385)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:44mm (44.4 x 44.4 x 9.7 mm) or 40mm (40.4 x 40.4 x 9.7 mm)
Case Material:Armor Aluminum 2 case; Sapphire Crystal glass
Display Type:Super AMOLED; Always-On Display; Peak brightness 2000 nits
Display Size:1.5 in (44mm) / 1.3 in (40mm)
Resolution:480 x 480 pixels (44mm); 432 x 432 pixels (40mm)
Always On Display:Yes
Water Resistance:5 ATM + IP68 (water resistant up to 50 meters for 10 min)
Durability:MIL-STD-810H certified; Dust tight (IP68)
GPS:Dual-frequency GPS (L1+L5); Glonass; Beidou; Galileo
Connectivity:LTE (optional); 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 (BIA); ECG; Irregular Heart Rhythm Notification; Cycle Tracking with skin temperature; Sleep coaching
Workout Modes:Advanced Run Coaching; Race (compete against past results); Track Back; Custom Interval Training; Swimming (Pool & Open Water); Cycling; Hiking; Circuit Training; and 100+ others via Samsung Health
Storage:32GB
Speaker Mic:Speaker; Microphone
Calls:Yes (LTE standalone or via paired phone)
Battery:425 mAh (44mm) / 300 mAh (40mm); Up to 40 hours (AOD off); Up to 30 hours (AOD on)
Charging:Fast Wireless Charging (WPC Inductive); 0-45% in approx. 30 mins
Weight:33.8 g (44mm) / 28.8 g (40mm) (Body only)
Band Sizes:Fits 20mm standard bands (One Click system)
Extras:Exynos W1000 (3nm) Processor; Galaxy AI features (Smart Reply, Voice-to-Text summaries); Double Pinch gesture
✓ Pros:
- • Significantly faster performance with new 3nm Exynos W1000 chip
- • Dual-frequency GPS improves tracking accuracy in cities
- • New health metrics: Sleep Apnea, AGEs Index, and Energy Score
- • Double the storage (32GB) compared to Watch 6
- • Lightweight and comfortable Armor Aluminum design
✗ Cons:
- • Battery life remains roughly 1 day with heavy use (requires daily charging)
- • Advanced health features (ECG, Apnea) strictly require Samsung phones
- • Charging speed is decent but slower than some competitors
- • Design is virtually identical to the previous generation
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Which one is better?
Based on ratings and feature balance, Samsung Galaxy Watch 7 has a slight edge for quality and performance. OnePlus Watch 2 remains a strong alternative if its strengths match your needs.
Who should buy each?
OnePlus Watch 2 excels at: Groundbreaking 100-hour battery life for a full-featured Wear OS watch, Premium build with stainless steel chassis and sapphire crystal standard
Watch for: Available in only one large size (47mm), which may not fit small wrists
Samsung Galaxy Watch 7 excels at: Significantly faster performance with new 3nm Exynos W1000 chip, Dual-frequency GPS improves tracking accuracy in cities
Watch for: Battery life remains roughly 1 day with heavy use (requires daily charging)
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?
OnePlus Watch 2 excels if you value groundbreaking 100-hour battery life for a full-featured wear os watch. Samsung Galaxy Watch 7 is better if you prioritize significantly faster performance with new 3nm exynos w1000 chip. 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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