Catalogue in 5 languagesMaker-verified specifications
CategoriesOriginData sources
TRENDEESPT
Comparison

Galaxy Watch Ultra (2025) vs Galaxy Watch Ultra2

Which one should you buy?

Galaxy Watch Ultra (2025)
CONSIDER
  • Wins 1/4 spec rows in the table
Open the decision box
Galaxy Watch Ultra2
CONSIDER
  • Wins 3/4 spec rows in the table
Open the decision box
Who leads where?
  • DisplayGalaxy Watch Ultra2
  • Battery and ChargingGalaxy Watch Ultra2
Wins are counted from the official values in the table below; the BUY / CONSIDER / WAIT call comes from each product's own decision box. We do not predict prices.

The differences in short

Case Size is the same on both: 47 mm. Battery Life is the same on both: up to 60 hours. ECG App is the same on both: Yes. Water Resistance is the same on both: 10 ATM.

Which one for what you do?

Health Tracking
Even
77% – 77%
Sport & Outdoors
Even
58% – 58%
Battery Life
Even
50% – 50%
Daily Use
Galaxy Watch Ultra (2025)
71% – 65%

The percentages are Kacbu Match scores: computed from official specifications for that use, with no price in them.

Galaxy Watch Ultra (2025)SamsungGalaxy Watch Ultra (2025)No reviews yetGalaxy Watch Ultra2SamsungGalaxy Watch Ultra2No reviews yet
Key Differences
Case Size47 mm47 mm
ProcessorNo dataSnapdragon Wear Elite Platform
Battery Lifeup to 60 hoursup to 60 hours
ECG AppYesYes
Water Resistance10 ATM10 ATM
Health Sensors and Features
Heart Rate SensorYesYes
SpO2 SensorYesYes
ECG SensorYesYes
Skin Temperature SensorYesYes
ECG AppYesYes
Atrial Fibrillation NotificationYesYes
Sleep TrackingYesYes
Fall DetectionYesYes
Display
Size1.5"1.5"
PanelSuper AMOLEDSuper AMOLED
Resolution480x480498x498
Peak Brightness3000 nit5000 nit
Always-On DisplayYesYes
Case
Case Size47 mm47 mm
Case Thickness12.1 mm10.7 mm
Weight60.5 g61.5 g
Case MaterialTitaniumTitanium
Positioning and GNSS
GNSS ReceiverYesYes
Dual-Band GNSSYesYes
GNSS SystemsGPS, Glonass, Beidou, GalileoGPS, Glonass, Beidou, Galileo, QZSS
Battery and Charging
The figure the maker statesup to 60 hoursup to 60 hours
What that figure measuresWith always-on display onWith always-on display on
Capacity590 mAh800 mAh
Water and Dust Resistance
Water Resistance10 ATM10 ATM
IP RatingIP68IP69K
MIL-STD-810MIL-STD-810HMIL-STD-810H
Performance
ProcessorNo dataSnapdragon Wear Elite Platform
RAM2 GB2 GB
Storage64 GB64 GB
Connectivity
CellularOptionalOptional
Wi-FiWi-Fi 4Wi-Fi 4
Bluetooth5.36.0
NFCYesYes
Software
Operating SystemWear OSWear OS

Galaxy Watch Ultra2 leads on 3 of 4 compared specs.

This table is based on manufacturers official specifications. Winning on paper does not always mean a difference in everyday use.