Samsung Galaxy Watch Ultra 2 vs Galaxy Watch Ultra
The Galaxy Watch Ultra 2 is the better choice if the price difference is modest, with faster hardware and longer battery life. Original Galaxy Watch Ultra owners, though, have little reason to upgrade unless those improvements are particularly important.
At a glance
What's different?
The strongest database-backed differences, without pretending every different number is an advantage.
Samsung Galaxy Watch Ultra 2
- Diving support Not available on the other model
- 67% brighter display Up to 5,000 nits vs Up to 3,000 nits
- Different material configuration Titanium case; sapphire crystal
- 2% larger display 1.5 in vs 1.47 in
- 7.6% more display pixels 498 × 498 vs 480 × 480
Samsung Galaxy Watch Ultra
- Different material configuration Grade 4 titanium case; sapphire crystal
Both include ECG, blood oxygen tracking, skin temperature tracking, HRV tracking, on-board music, Bluetooth calling, a microphone.
Full comparison
The full record
79 specifications across 6 areas, with 19 genuine differences.
1. Design & display Samsung Galaxy Watch Ultra 2
Fact
Samsung Galaxy Watch Ultra 2
Samsung Galaxy Watch Ultra
Release date
2026-07
2024-07
Physical size
47.4 x 47.1 x 10.7 mm
47.4 x 47.1 x 12.1 mm
Weight
61.5 g
60.5 g
Material
Titanium case; sapphire crystal
Grade 4 titanium case; sapphire crystal
Water resistance
10 ATM; IP69K; MIL-STD-810H; EN13319
10 ATM; IP68; MIL-STD-810H
Color options
Titanium Gray, Titanium Silver
Titanium Silver, Titanium Gray, Titanium White
Display type
Super AMOLED, full-colour Always On Display
Super AMOLED, full-colour Always On Display
Display size
1.5 inch (38.5 mm)
1.47 inch (37.3 mm)
Display resolution
498 x 498 pixels
480 x 480 pixels
Display brightness
Up to 5,000 nits
Up to 3,000 nits
Display protection
Sapphire crystal
Sapphire crystal
2. Battery & charging No clear edge
Fact
Samsung Galaxy Watch Ultra 2
Samsung Galaxy Watch Ultra
Battery
Rechargeable battery; 800 mAh
Rechargeable battery; 590 mAh
Battery life
Up to 80 hours with AOD off; up to 60 hours with AOD on
Up to 80 hours with AOD off; up to 60 hours with AOD on; up to 100 hours in Power Saving mode
Charging
Fast wireless charging
WPC-based wireless charging
3. Sensors & positioning No clear edge
Fact
Samsung Galaxy Watch Ultra 2
Samsung Galaxy Watch Ultra
GNSS type
Built-in dual-band GNSS
Built-in dual-band GNSS
GPS
Yes
Yes
GALILEO
Yes
Yes
GLONASS
Yes
Yes
QZSS
Yes
No
Beidou
Yes
Yes
Accelerometer
Yes
Yes
Gyroscope
Yes
Yes
Barometric altimeter
Yes
Yes
Compass
Yes
Yes
Geomagnetic
Yes
Yes
Ambient light sensor
Yes
Yes
Optical heart rate
Yes
Yes
Electrical heart rate
Yes
Yes
SpO2
Yes
Yes
Temperature
Yes
Yes
Galvanic skin response
Yes
Yes
Microphone
Yes
Yes
Speakers
Yes
Yes
Vibration motor
Yes
Yes
4. Health & activity Even
Fact
Samsung Galaxy Watch Ultra 2
Samsung Galaxy Watch Ultra
Steps
Yes
Yes
Distance
Yes
Yes
Calories burned
Yes
Yes
Floors
Yes
Yes
Sports tracking
Yes
Yes
Sleep
Yes
Yes
Heart rate
Yes
Yes
HRV
Yes
Yes
Stress
Yes
Yes
Blood oxygen
Yes
Yes
Respiration rate
Yes
Yes
Skin temperature
Yes
Yes
ECG
Yes
Yes
Blood pressure
Yes (Samsung Health Monitor; availability varies by market, calibration required)
Yes (Samsung Health Monitor; availability varies by market, calibration required)
Body composition
Yes
Yes
Glucose
No
No
Hydration level
No
No
UV exposure
No
No
Calorie intake
No
No
Hyperglycemia risk assessment
No
No
Arterial stiffness detection
No
No
Pulse wave arrhythmia analysis
Yes
Yes
No significant differences in this area.
5. Smart features No clear edge
Fact
Samsung Galaxy Watch Ultra 2
Samsung Galaxy Watch Ultra
Smartphone compatibility
Android with Google Mobile Services
Android with Google Mobile Services
Operating system at launch
Wear OS 7 Powered by Samsung; One UI 9 Watch
Wear OS 5 Powered by Samsung; One UI 6 Watch
Processor
Qualcomm Snapdragon Wear Elite / SDW6100 (3 nm, penta-core)
Exynos W1000 (3 nm, penta-core)
RAM
2 GB
2 GB
Storage
64 GB
32 GB
Bluetooth
Yes (6.0)
Yes (5.3)
Wi-Fi
Yes (802.11 a/b/g/n, 2.4/5 GHz)
Yes (802.11 a/b/g/n, 2.4/5 GHz)
NFC / connected pay
Yes
Yes
UWB
No
No
Cellular
Yes (LTE/eSIM)
Yes (LTE/eSIM)
Smartphone notifications
Yes
Yes
Bluetooth calling
Yes
Yes
Smartphone music control
Yes
Yes
On-board music storage
Yes
Yes
Voice assistant
Google Gemini / Bixby
Google Assistant / Bixby
6. Navigation & safety No clear edge
Fact
Samsung Galaxy Watch Ultra 2
Samsung Galaxy Watch Ultra
Maps
Yes (Google Maps)
Yes (Google Maps)
Offline maps
Yes (Google Maps)
Yes (Google Maps)
Navigation
Yes (turn-by-turn navigation)
Yes (turn-by-turn navigation)
Emergency SOS
Yes
Yes
Satellite SOS
No
No
Fall detection
Yes
Yes
LED flashlight
No
No
Diving
Yes (EN13319; depth and dive metrics to 40 m)
No (10 ATM water resistance, but not EN13319-certified for scuba diving)