Samsung Galaxy Watch Ultra2 vs Samsung Galaxy Watch7

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Galaxy Watch Ultra2 compared with Galaxy Watch7

	SamsungGalaxy Watch Ultra2	SamsungGalaxy Watch7
Overview
Released
Released	August 2026	July 2024
Display
Case sizes
Case sizes	47 mm	40 mm or 44 mm
Panel
Panel	OLED	OLED
Peak brightness
Peak brightness	5,000 nits	–
Always-on display
Always-on display	Yes	Yes
Display detail
Display detail	Super AMOLED with full-colour Always On Display; 1.52-inch (38.5 mm) with 498 x 498 pixels; 16M colours; 5,000 nits is the localised peak under high ambient light	Super AMOLED with full-colour Always On Display; 40 mm has 1.3 inches (33.3 mm) with 432 x 432 pixels; 44 mm has 1.5 inches (37.3 mm) with 480 x 480 pixels; 16M colours
Screen protection
Screen protection	Sapphire Crystal	Sapphire Crystal
Health and fitness
ECG
ECG	Yes	Yes
Blood oxygen
Blood oxygen	Yes	Yes
Skin temperature
Skin temperature	Yes	Yes
Sleep apnoea alerts
Sleep apnoea alerts	Yes	Yes
High blood pressure alerts
High blood pressure alerts	No	No
Body composition
Body composition	Yes	Yes
Fall detection
Fall detection	Yes	Yes
Crash detection
Crash detection	No	No
GPS
GPS	Dual-band (L1 and L5)	Dual-band (L1 and L5)
Water resistance
Water resistance	100 m (better)	50 m
Sensors
Sensors	Samsung BioActive Sensor (optical bio-signal sensor, electrical heart signal sensor and bioelectrical impedance analysis sensor); temperature sensor; accelerometer; barometer; gyro sensor; geomagnetic sensor; light sensor	Samsung BioActive Sensor (optical bio-signal sensor, electrical heart signal sensor and bioelectrical impedance analysis sensor); temperature sensor; accelerometer; barometer; gyro sensor; geomagnetic sensor; light sensor
Health features
Health features	ECG with Irregular Heart Rhythm Notification, blood pressure (calibrated against an arm cuff every 4 weeks) and sleep apnoea detection in the Samsung Health Monitor app, which needs a Galaxy phone; Vitals (heart rate, heart rate variability, respiratory rate, skin temperature and blood oxygen during sleep, against a personal baseline); Heart Health Score; Vascular Load; Antioxidant Index; AGEs Index; Energy Score; sleep tracking, Sleep Coaching and Bedtime Guidance; body composition; High Stress Alert; Cycle Tracking; Hearing, with alerts for unsafe noise levels	ECG with Irregular Heart Rhythm Notification, blood pressure (calibrated against an arm cuff every 4 weeks) and sleep apnoea detection in the Samsung Health Monitor app, which needs a Galaxy phone; AGEs Index; sleep analysis; body composition; heart rate alerts
Fitness features
Fitness features	Trail Run with GPX routes, turn-by-turn navigation, Climb Guidance and Water Intake Alarm; Depth app for depth, dive time and water temperature to 40 m; direct connection to cycling power, speed and cadence sensors; Track Back; Running Coach; Fitness Index; Daily Cardio Load; Personalised Heart Rate Zone; Personalised Functional Threshold Power; Strava and iFIT apps	Over 100 workouts; Workout Routine; Race against past runs and rides
Safety features
Safety features	Emergency SOS (five presses of the home button); Fall Detection; 86 dB siren heard up to 180 m (hold the orange Quick Button for 5 seconds)	–
Battery and connections
Battery life (maker's claim)
Battery life (maker's claim)	Up to 60 hours	Up to 30 hours
Mobile data option
Mobile data option	Yes	Yes
Works with
Works with	Android	Android
Chip
Chip	Snapdragon Wear Elite	Exynos W1000
Storage
Storage	64 GB (better)	32 GB
Battery life detail
Battery life detail	Up to 60 hours with Always On Display on and up to 80 hours with it off; GPS up to 20 hours and GPX route navigation up to 16 hours with power saving mode (Standard) on during exercise; 800 mAh typical capacity	Up to 30 hours with Always On Display on and up to 40 hours with it off; 300 mAh (40 mm) and 425 mAh (44 mm) typical capacity
Charging
Charging	High-Frequency Fast Charging (WPC-based wireless charging) to 40% in about 30 minutes with the Fast Wireless Charger (EP-OL715) in the box and a 5 V / 2 A PD adapter	Fast Charging (WPC-based wireless charging)
Connectivity
Connectivity	LTE with eSIM (4G LTE and 3G); Bluetooth 6.0; Wi-Fi 802.11a/b/g/n at 2.4 GHz and 5 GHz; NFC; L1 + L5 dual-frequency GPS with Glonass, Beidou, Galileo and QZSS; pairs with Android 13 or later phones with more than 1.5 GB of memory	LTE models with eSIM (4G LTE and 3G); Bluetooth 5.3; Wi-Fi 802.11a/b/g/n at 2.4 GHz and 5 GHz; NFC; L1 + L5 dual-frequency GPS with Glonass, Beidou and Galileo; pairs with Android 11 or later phones with more than 1.5 GB of memory
Storage
Storage	2 GB memory; 64 GB storage (49.3 GB available)	2 GB memory; 32 GB storage (21.1 GB available)
Design
Weight (lightest version)
Weight (lightest version)	61.5 g	28.8 g (better)
Software
Software	Wear OS	Wear OS
Case materials
Case materials	Titanium case (titanium on the front and back cover areas of the frame, the rest of the frame is plastic and other materials); Sapphire Crystal; 10ATM (100 m, ISO 22810, tested in salt and chlorinated water), IP68 and IP69K; EN13319; MIL-STD-810H; works on the wrist from -20°C to 55°C	Sapphire Crystal; 5ATM and IP68; MIL-STD-810H
Size
Size	47.4 x 47.1 x 10.7 mm; 61.5 g (watch body without band)	40 mm is 40.4 x 40.4 x 9.7 mm and 28.8 g; 44 mm is 44.4 x 44.4 x 9.7 mm and 33.8 g (watch body without band)
Bands
Bands	Marine Band (S/M/L) in the box, with an Air Pocket inner surface; PeakForm Band and Trail Band sold separately	–
Colours
Colours	Titanium Silver, Titanium Grey	40 mm in Green or Cream; 44 mm in Green or Silver
In the box
In the box	Galaxy Watch Ultra2, Marine Band, Fast Wireless Charger	–