both SmartWatches are packed with health and fitness tracking features heart rate monitoring sleep tracking dual frequency GPS and customizable action buttons make them formidable Fitness companions however each has its unique strengths Samsung's Galaxy watch Ultra excels in sleep tracking even detecting snoring and offers Advanced body composition measurements like body fat percentage thanks to its bioelectrical impedance analysis sensor the app Apple watch Ultra 3 shines with broader support for third-party fitness apps and extremely accurate heart rate tracking however Samsung has a new AI driven energy score feature which rates your overall well-being on a scale of 0 to 100 while Apple's upcoming training load feature provides similar Wellness insights when it comes to battery life Samsung claims a significant Edge the Galaxy watch Ultra offers up to hours of use in power saving mode and up to 48 hours during exercise