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2026 comparison
Updated Jan 16, 2026
|Sources: Amazon, ManufacturerSamsung Galaxy Watch Ultra vs Apple Watch Ultra 2
Samsung Galaxy Watch Ultra vs Apple Watch Ultra 2: which is the right fit? We cover performance, value, and use cases to make the call easier.
Ratings: 4.4★ vs 4.7★
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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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Apple Watch Ultra 2
★4.7
(1,082)•Amazon
Compatibility:iPhone Xs or later with iOS 18 or later
Operating System:watchOS
Case Size:49mm (49mm H x 44mm W x 14.4mm D)
Case Material:Aerospace-grade titanium (Natural or Black finish)
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Comparison: Samsung Galaxy Watch Ultra vs Apple Watch Ultra 2
Samsung Galaxy Watch Ultra
★4.4(243)Amazon
Apple Watch Ultra 2
★4.7(1,082)Amazon
| Criterion | Samsung Galaxy Watch Ultra | Apple Watch Ultra 2 |
|---|---|---|
| Rating | ★4.4(243)Amazon | ★4.7(1,082)Amazon |
Compatibility | Android 11.0 or higher with 1.5GB+ RAM; Samsung Galaxy phone required for Energy Score, ECG, Sleep Apnea, and IHRN features | iPhone Xs or later with iOS 18 or later |
Operating System | Wear OS 5 powered by Samsung (One UI 6 Watch) | watchOS |
Case Size | 47.4mm H x 47.1mm W x 12.1mm D | 49mm (49mm H x 44mm W x 14.4mm D) |
Case Material | Titanium (Grade 4) frame with cushion design; Sapphire Crystal glass | Aerospace-grade titanium (Natural or Black finish) |
Display Type | Super AMOLED; Always-On Display; Peak brightness 3000 nits | Always-On Retina LTPO2 OLED (flat sapphire crystal display) |
Display Size | 1.5 in (37.3 mm) circular display | 1185 sq mm display area |
Resolution | 480 x 480 pixels | 410 x 502 pixels (326 ppi) |
Always On Display | Yes | Yes |
Water Resistance | 10 ATM + IP68 (ISO 22810 standard); Ocean swimming capable | 100 m (ISO 22810); 40 m recreational high-speed water sports (EN13319) |
Durability | MIL-STD-810H certified; Operating temp -20°C to 55°C; 9000m altitude resistance | IP6X dust resistant; tested to MIL-STD 810H (altitude, high/low temp, temperature shock, immersion, freeze/thaw, ice/freezing rain, shock/vibration) |
GPS | Dual-frequency GPS (L1+L5); Glonass; Beidou; Galileo | Precision dual-frequency GPS: L1 and L5 (GPS, GNSS, Galileo, and BeiDou) |
Connectivity | LTE (eSIM standard on all models); Wi-Fi 2.4+5GHz; Bluetooth 5.3; NFC | LTE and UMTS (Cellular is standard); Wi-Fi 4 (802.11n); Bluetooth 5.3; Second-generation Ultra Wideband chip |
NFC Payments | Samsung Wallet / Google Wallet | Apple Pay |
Sensors | Samsung BioActive Sensor (Optical Bio-signal + Electrical Heart + Bioelectrical Impedance Analysis); Temperature sensor; Accelerometer; Barometer; Gyro sensor; Geomagnetic sensor; Light sensor | Electrical heart sensor (ECG app); 3rd-generation optical heart sensor; temperature sensing; depth gauge (±1 m accuracy); water temperature sensor; compass; always-on altimeter; high-g accelerometer; high dynamic range gyroscope; ambient light sensor; blood oxygen sensor (feature availability subject to US patent rulings) |
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 | ECG app; High/low heart rate notifications; Irregular rhythm notifications; Sleep tracking with stages; Sleep apnea notifications; Vitals app; Cycle tracking with retrospective ovulation estimates; Noise app |
Workout Modes | Multisport tile (Triathlon/Duathlon/Aquathlon); Functional Threshold Power (FTP) for cycling; Race Partner; Track Back; Custom workouts via Quick Button | Customizable Action Button for instant workout start; Advanced running metrics (stride length, ground contact time); Multisport; Swimming; Hiking; Diving (Oceanic+ app required for dive computer functions) |
Storage | 32GB | 64GB |
Speaker Mic | Speaker (with Siren support); Microphone | Dual speakers (40% louder than Series 8); Three-microphone array with beamforming and wind noise mitigation |
Calls | Yes (LTE standalone or via paired phone) | Yes (Cellular, Wi-Fi, and iPhone tethering) |
Battery | 590mAh; Up to 100 hours (Power Saving); Up to 60 hours (Normal use, AOD off); Up to 48 hours (Exercise Power Saving) | Up to 36 hours (normal use); Up to 72 hours (Low Power Mode) |
Charging | Fast Wireless Charging (WPC Inductive); Proprietary puck required for max speed | Fast charging capable (0–80% in approx. 1 hour); USB-C Magnetic Fast Charging Cable included |
Weight | 60.5 g (Body only) | 61.4 g (Natural Titanium); 61.8 g (Black Titanium) [case only] |
Band Sizes | One Size (fits 145–205mm wrists via Dynamic Lug System) | Trail Loop (S/M, M/L); Alpine Loop (S, M, L); Ocean Band (One Size); fits 130–210mm wrists depending on selection |
Extras | Quick Button (customizable); 86dB Emergency Siren; Night Mode watch face; Gesture controls (Double Pinch) | S9 SiP with 4-core Neural Engine; Double tap gesture; On-device Siri; Precision Finding for iPhone 15/16 lineup; 86-decibel Siren; Night Mode (Modular Ultra face) |
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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
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Apple Watch Ultra 2
Rating:★4.7(1,082)Amazon
Compatibility:iPhone Xs or later with iOS 18 or later
Operating System:watchOS
Case Size:49mm (49mm H x 44mm W x 14.4mm D)
Case Material:Aerospace-grade titanium (Natural or Black finish)
Display Type:Always-On Retina LTPO2 OLED (flat sapphire crystal display)
Display Size:1185 sq mm display area
Resolution:410 x 502 pixels (326 ppi)
Always On Display:Yes
Water Resistance:100 m (ISO 22810); 40 m recreational high-speed water sports (EN13319)
Durability:IP6X dust resistant; tested to MIL-STD 810H (altitude, high/low temp, temperature shock, immersion, freeze/thaw, ice/freezing rain, shock/vibration)
GPS:Precision dual-frequency GPS: L1 and L5 (GPS, GNSS, Galileo, and BeiDou)
Connectivity:LTE and UMTS (Cellular is standard); Wi-Fi 4 (802.11n); Bluetooth 5.3; Second-generation Ultra Wideband chip
NFC Payments:Apple Pay
Sensors:Electrical heart sensor (ECG app); 3rd-generation optical heart sensor; temperature sensing; depth gauge (±1 m accuracy); water temperature sensor; compass; always-on altimeter; high-g accelerometer; high dynamic range gyroscope; ambient light sensor; blood oxygen sensor (feature availability subject to US patent rulings)
Health Features:ECG app; High/low heart rate notifications; Irregular rhythm notifications; Sleep tracking with stages; Sleep apnea notifications; Vitals app; Cycle tracking with retrospective ovulation estimates; Noise app
Workout Modes:Customizable Action Button for instant workout start; Advanced running metrics (stride length, ground contact time); Multisport; Swimming; Hiking; Diving (Oceanic+ app required for dive computer functions)
Storage:64GB
Speaker Mic:Dual speakers (40% louder than Series 8); Three-microphone array with beamforming and wind noise mitigation
Calls:Yes (Cellular, Wi-Fi, and iPhone tethering)
Battery:Up to 36 hours (normal use); Up to 72 hours (Low Power Mode)
Charging:Fast charging capable (0–80% in approx. 1 hour); USB-C Magnetic Fast Charging Cable included
Weight:61.4 g (Natural Titanium); 61.8 g (Black Titanium) [case only]
Band Sizes:Trail Loop (S/M, M/L); Alpine Loop (S, M, L); Ocean Band (One Size); fits 130–210mm wrists depending on selection
Extras:S9 SiP with 4-core Neural Engine; Double tap gesture; On-device Siri; Precision Finding for iPhone 15/16 lineup; 86-decibel Siren; Night Mode (Modular Ultra face)
✓ Pros:
- • Brightest Apple display ever (up to 3,000 nits) for superior outdoor visibility
- • Excellent battery life for an Apple Watch (up to 36 hours standard, 72 hours low power)
- • Rugged titanium build with sapphire crystal and 100m water resistance
- • Fast S9 SiP allows for Double Tap gesture and on-device Siri
- • Precision dual-frequency GPS (L1+L5) offers accurate tracking in dense environments
✗ Cons:
- • Large 49mm x 14.4mm casing is bulky on smaller wrists
- • Blood Oxygen feature is disabled on units sold by Apple in the US (post-Jan 2024)
- • Requires an iPhone to function; no Android compatibility
- • Expensive entry price compared to standard Series models
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Which one is better?
Overall, Apple Watch Ultra 2 delivers better satisfaction. Samsung Galaxy Watch Ultra is still a quality option with specific strengths worth considering.
Who should buy each?
Samsung Galaxy Watch Ultra excels at: True multi-day battery life (up to 100h in power saving), Extremely durable Grade 4 Titanium build with 10ATM rating
Watch for: Large 47mm square-circle design may not fit smaller wrists
Apple Watch Ultra 2 excels at: Brightest Apple display ever (up to 3,000 nits) for superior outdoor visibility, Excellent battery life for an Apple Watch (up to 36 hours standard, 72 hours low power)
Watch for: Large 49mm x 14.4mm casing is bulky on smaller wrists
Conclusion
There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.
Frequently Asked Questions
+Which has better value?
Samsung Galaxy Watch Ultra excels if you value true multi-day battery life (up to 100h in power saving). Apple Watch Ultra 2 is better if you prioritize brightest apple display ever (up to 3,000 nits) for superior outdoor visibility. 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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