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2026 comparison
Updated Jan 7, 2026
|Sources: Amazon, ManufacturerSamsung Galaxy Watch Ultra vs Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
The Samsung Galaxy Watch Ultra crushes the Garmin epix Pro (Gen 2) Sapphire Edition in battery life: 100 hours vs just 16 days. If you're the type who needs your smartwatch to last without constant charging, the Ultra is the no-brainer choice. In real-world use, that means you can go on extended trips without worrying about battery anxiety. While the Garmin offers some impressive features like a lightweight build and built-in flashlight, the Ultra’s extraordinary battery life and vibrant 3000-nit display make it the premium option for 2026 and beyond.
⚖️ Weight: 2.13 oz vs 2.47 oz🔋 Battery: 100h vs 16 days📱 Display: 1.5" vs 1.3"
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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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Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
★4.7
(1,201)•Amazon
Compatibility:iPhone, Android (Garmin Connect app required)
Operating System:Garmin OS (Proprietary)
Case Size:47 x 47 x 14.5 mm
Case Material:Fiber-reinforced polymer with titanium rear cover; Titanium bezel; Sapphire Crystal lens
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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
Samsung Galaxy Watch Ultra
Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
Display2 specs
Display SizeKey
Samsung Galaxy Watch Ultra
1.5 in (37.3 mm) circular display
Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
1.3 in (33.0 mm) diameter
Resolution
Samsung Galaxy Watch Ultra
480 x 480 pixels
Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
416 x 416 pixels
Battery1 specs
Battery CapacityKey
Samsung Galaxy Watch Ultra
590mAh; Up to 100 hours (Power Saving); Up to 60 hours (Normal use, AOD off); Up to 48 hours (Exercise Power Saving)
Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
Smartwatch mode: Up to 16 days (6 days always-on); GPS Only: Up to 42 hours (30 hours always-on); Expedition GPS: Up to 14 days
Design2 specs
Weight
Samsung Galaxy Watch Ultra
60.5 g (Body only)Winner
Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
70 g (Case only: 47 g) — Titanium model
Water Resistance
Samsung Galaxy Watch Ultra
10 ATM + IP68 (ISO 22810 standard); Ocean swimming capable
Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
10 ATM (water pressure equivalent to 100 meters)
Software1 specs
Operating System
Samsung Galaxy Watch Ultra
Wear OS 5 powered by Samsung (One UI 6 Watch)
Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
Garmin OS (Proprietary)
Connectivity1 specs
Connectivity
Samsung Galaxy Watch Ultra
LTE (eSIM standard on all models); Wi-Fi 2.4+5GHz; Bluetooth 5.3; NFC
Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
Bluetooth; ANT+; Wi-Fi
+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: Samsung Galaxy Watch Ultra vs Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
Samsung Galaxy Watch Ultra
★4.4(243)Amazon
Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
★4.7(1,201)Amazon
| Criterion | Samsung Galaxy Watch Ultra | Garmin epix Pro (Gen 2) Sapphire Edition (47mm) |
|---|---|---|
| Rating | ★4.4(243)Amazon | ★4.7(1,201)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, Android (Garmin Connect app required) |
Operating System | Wear OS 5 powered by Samsung (One UI 6 Watch) | Garmin OS (Proprietary) |
Case Size | 47.4mm H x 47.1mm W x 12.1mm D | 47 x 47 x 14.5 mm |
Case Material | Titanium (Grade 4) frame with cushion design; Sapphire Crystal glass | Fiber-reinforced polymer with titanium rear cover; Titanium bezel; Sapphire Crystal lens |
Display Type | Super AMOLED; Always-On Display; Peak brightness 3000 nits | AMOLED; Always-On Mode available |
Display Size | 1.5 in (37.3 mm) circular display | 1.3 in (33.0 mm) diameter |
Resolution | 480 x 480 pixels | 416 x 416 pixels |
Always On Display | Yes | Yes (optional) |
Water Resistance | 10 ATM + IP68 (ISO 22810 standard); Ocean swimming capable | 10 ATM (water pressure equivalent to 100 meters) |
Durability | MIL-STD-810H certified; Operating temp -20°C to 55°C; 9000m altitude resistance | MIL-STD-810H (Thermal, Shock, Water); Scratch-resistant Sapphire lens |
GPS | Dual-frequency GPS (L1+L5); Glonass; Beidou; Galileo | Multi-band GNSS with SatIQ technology; GPS, GLONASS, Galileo |
Connectivity | LTE (eSIM standard on all models); Wi-Fi 2.4+5GHz; Bluetooth 5.3; NFC | Bluetooth; ANT+; Wi-Fi |
NFC Payments | Samsung Wallet / Google Wallet | Garmin Pay |
Sensors | Samsung BioActive Sensor (Optical Bio-signal + Electrical Heart + Bioelectrical Impedance Analysis); Temperature sensor; Accelerometer; Barometer; Gyro sensor; Geomagnetic sensor; Light sensor | Elevate Gen 5 optical heart rate sensor; Pulse Ox blood oxygen saturation monitor; Barometric altimeter; Compass; Gyroscope; Accelerometer; Thermometer; Ambient 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 | ECG App (FDA cleared); Hill Score; Endurance Score; Jet Lag Adviser; Body Battery; Sleep Score; HRV Status; Health Snapshot; Pulse Ox |
Workout Modes | Multisport tile (Triathlon/Duathlon/Aquathlon); Functional Threshold Power (FTP) for cycling; Race Partner; Track Back; Custom workouts via Quick Button | Advanced Strength Training; HIIT; Running (Track, Trail, Ultra); Cycling (MTB, eBike); Skiing/Snowboarding; Surfing; Golf (43,000+ courses); Soccer; Tennis; and 80+ others |
Storage | 32GB | 32GB |
Speaker Mic | Speaker (with Siren support); Microphone | None (Audio prompts via connected Bluetooth headphones only) |
Calls | Yes (LTE standalone or via paired phone) | No (Can accept/decline calls to control phone; Android users can send text replies) |
Battery | 590mAh; Up to 100 hours (Power Saving); Up to 60 hours (Normal use, AOD off); Up to 48 hours (Exercise Power Saving) | Smartwatch mode: Up to 16 days (6 days always-on); GPS Only: Up to 42 hours (30 hours always-on); Expedition GPS: Up to 14 days |
Charging | Fast Wireless Charging (WPC Inductive); Proprietary puck required for max speed | Garmin proprietary plug charger (clip-on data cable) |
Weight | 60.5 g (Body only) | 70 g (Case only: 47 g) — Titanium model |
Band Sizes | One Size (fits 145–205mm wrists via Dynamic Lug System) | Fits wrists 125–208mm (Silicone band included); QuickFit 22mm compatible |
Extras | Quick Button (customizable); 86dB Emergency Siren; Night Mode watch face; Gesture controls (Double Pinch) | Built-in LED Flashlight (Red/White strobes); Red Shift Mode (preserves night vision); Outdoor Maps+; Real-time Stamina; Morning Report |
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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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Garmin epix Pro (Gen 2) Sapphire Edition (47mm)
Rating:★4.7(1,201)Amazon
Compatibility:iPhone, Android (Garmin Connect app required)
Operating System:Garmin OS (Proprietary)
Case Size:47 x 47 x 14.5 mm
Case Material:Fiber-reinforced polymer with titanium rear cover; Titanium bezel; Sapphire Crystal lens
Display Type:AMOLED; Always-On Mode available
Display Size:1.3 in (33.0 mm) diameter
Resolution:416 x 416 pixels
Always On Display:Yes (optional)
Water Resistance:10 ATM (water pressure equivalent to 100 meters)
Durability:MIL-STD-810H (Thermal, Shock, Water); Scratch-resistant Sapphire lens
GPS:Multi-band GNSS with SatIQ technology; GPS, GLONASS, Galileo
Connectivity:Bluetooth; ANT+; Wi-Fi
NFC Payments:Garmin Pay
Sensors:Elevate Gen 5 optical heart rate sensor; Pulse Ox blood oxygen saturation monitor; Barometric altimeter; Compass; Gyroscope; Accelerometer; Thermometer; Ambient light sensor
Health Features:ECG App (FDA cleared); Hill Score; Endurance Score; Jet Lag Adviser; Body Battery; Sleep Score; HRV Status; Health Snapshot; Pulse Ox
Workout Modes:Advanced Strength Training; HIIT; Running (Track, Trail, Ultra); Cycling (MTB, eBike); Skiing/Snowboarding; Surfing; Golf (43,000+ courses); Soccer; Tennis; and 80+ others
Storage:32GB
Speaker Mic:None (Audio prompts via connected Bluetooth headphones only)
Calls:No (Can accept/decline calls to control phone; Android users can send text replies)
Battery:Smartwatch mode: Up to 16 days (6 days always-on); GPS Only: Up to 42 hours (30 hours always-on); Expedition GPS: Up to 14 days
Charging:Garmin proprietary plug charger (clip-on data cable)
Weight:70 g (Case only: 47 g) — Titanium model
Band Sizes:Fits wrists 125–208mm (Silicone band included); QuickFit 22mm compatible
Extras:Built-in LED Flashlight (Red/White strobes); Red Shift Mode (preserves night vision); Outdoor Maps+; Real-time Stamina; Morning Report
✓ Pros:
- • Premium Sapphire and Titanium build is lightweight yet durable
- • Built-in LED flashlight is incredibly useful for night training
- • Elevate Gen 5 sensor enables ECG and improved tracking accuracy
- • Excellent battery life (16 days) despite the bright AMOLED screen
- • Multi-band GPS with SatIQ offers top-tier location precision
✗ Cons:
- • Lacks the microphone and speaker found in the newer Fenix 8
- • No LTE/Cellular option (phone required for data/safety features)
- • Significant price premium over standard non-Sapphire models
- • Proprietary charging cable is less convenient than wireless options
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Which one is better?
The Samsung Galaxy Watch Ultra is the better buy for most people - its 100-hour battery life crushes the Garmin epix Pro (Gen 2) Sapphire Edition's 16-day battery. That said, grab the Garmin if you want a lighter watch with a built-in flashlight for night training - it's lighter.
Who should buy each?
Choose the Samsung Galaxy Watch Ultra if: you need a smartwatch that lasts through 100 hours of use, want the brightest display at 3000 nits for outdoor visibility, or require advanced health features like ECG.
Choose the Garmin epix Pro (Gen 2) Sapphire Edition (47mm) if: you prefer a similar-weight build for comfort, need a built-in flashlight for night workouts, or want to save money without compromising on quality. (2.47 oz weight)
Conclusion
Samsung Galaxy Watch Ultra and Garmin epix Pro (Gen 2) Sapphire Edition (47mm) 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?
Samsung Galaxy Watch Ultra excels if you value true multi-day battery life (up to 100h in power saving). Garmin epix Pro (Gen 2) Sapphire Edition (47mm) is better if you prioritize premium sapphire and titanium build is lightweight yet durable. 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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