Wear Radar

Apple Watch UltravsSamsung Galaxy Watch

2.1d vs 1.5d
battery life
Apple Watch Ultra lasts longer
$420
price gap
Samsung Galaxy Watch cheaper
0.2 Hz
HR sampling
Apple Watch Ultra only — Samsung Galaxy Watch undisclosed
31g
lighter
Samsung Galaxy Watch
Apple Watch Ultra
Buy/Wait:good

Current model just released

Full details →
Samsung Galaxy Watch
Buy/Wait:good

Early in release cycle

Full details →
Apple Watch UltraSamsung Galaxy Watch
Pricing
Starting price$799$379★
Subscription✓ None✓ None
Hardware
Weight63g32g★
Water resistance100m★5ATM
Battery2.1 days★1.5 days
Always-on display✅✅
GPS✅✅
Cellular✅✅
PlatformiOS onlyAndroid only
TierSports GPSSmartwatch
Buy timing
ReleasedSep 18, 2026Aug 7, 2026
Cycle advicegoodgood
Deals adviceneutralgood★
Next model——

Health Sensors

Apple Watch Ultra only
3 exclusive sensors
Crash DetectionDetects vehicle crashes and alerts emergency contacts
Depth GaugeMeasures water depth — certified for recreational diving to 40m
Water TempMeasures water temperature during swimming and diving
Both
9 shared
Heart RateContinuous or on-demand pulse tracking
Irregular RhythmBackground optical check for irregular heart rhythms
Fall DetectionAuto-calls emergency services after a hard fall
Sleep ApneaFDA-cleared detection of signs of moderate to severe sleep apnea
ECGDetects irregular heart rhythms (AFib)
SpO2Blood oxygen saturation, tracked during sleep
Skin TempOvernight changes linked to illness or cycle tracking
HRVHeart rate variability — stress & recovery scores
Blood PressureDetects hypertension patterns — trend tracking, not clinical mmHg
Samsung Galaxy Watch only
1 exclusive sensor
Body CompositionEstimates body fat & muscle mass

Why buy each?

Apple Watch Ultra

50-hour battery + satellite SOS

The Ultra 4 lasts roughly twice as long as the Series 12, with up to 45 hours of GPS workout tracking in Max Extended Workout mode. Satellite Emergency SOS works without cellular or WiFi coverage.

Heart rate every five seconds

The new health sensing system samples heart rate every five seconds all day and HRV every five minutes, feeding a 0–10 readiness score.

3000-nit titanium-cased powerhouse

The 49mm titanium case and 3000-nit display make this watch usable in full direct sunlight and water depths up to 100m (recreational scuba diving to 40m).

Samsung Galaxy Watch

Best-in-class health tracking

ECG, blood pressure, body composition, SpO2, and advanced sleep coaching — all processed on-device with Galaxy AI.

Deep Samsung ecosystem integration

Answer calls, control SmartThings, and use Galaxy AI features seamlessly across Galaxy phones and tablets.

Full Wear OS with Google apps

Access Google Play, Google Maps, Google Wallet, and Samsung's One UI Watch interface.

Quick Winner

The right pick depends on what you optimize for.

For the budget
Samsung Galaxy Watch wins

$379 vs $799 over 3 years.

For battery life
Apple Watch Ultra wins

2.1 days vs 1.5 days battery.

For health depth
Apple Watch Ultra wins

12 sensors · 0.2 Hz HR sampling.

For daily comfort
Samsung Galaxy Watch wins

32g.

Bottom Line

Technical gaps
  1. Watch Ultra-only sensors: Crash Detection, Depth Gauge, Water Temp.
  2. Galaxy Watch-only sensors: Body Composition.
  3. Weight. Galaxy Watch is 31g lighter — relevant for all-day comfort and sleep.
  4. Water resistance. Watch Ultra rates 100m vs 5ATM on Galaxy Watch.
Commercial gaps
  1. Hardware cost. Galaxy Watch is $420 cheaper upfront ($379 vs $799).
Pick the Apple Watch Ultra if…

Serious athletes, trail runners, triathletes, and outdoor adventurers who need the most durable, most accurate GPS watch Apple makes. Also for iPhone users who simply want the best Apple Watch regardless of sport, and value the extra battery life over the Series 12.

Full details →
Pick the Samsung Galaxy Watch if…

Android users — especially those in the Samsung ecosystem — who want a premium smartwatch with comprehensive health tracking, Wear OS flexibility, and strong software support. The Ultra suits outdoor-active users who need longer battery life.

Full details →