With Samsung's smartwatch, wearers can choose between Bixby and installing the Google Assistant. While Sense 2 come with a built-in Alexa voice assistant, it's lacking Google Assistant integration, unlike its predecessor.

In contrast, the Sense 2 runs Fitbit OS and provides users with an ample amount of apps and watch faces via the Fitbit Gallery. Samsung's Galaxy Watch 5 runs Wear OS with apps and watch faces available to download from the Play Store. The Galaxy Watch 5 has support for over 90 sports modes, which is more than double the 40 available on the Fitbit Sense. They both have support for sleep tracking and women's health tracking. Samsung's smartwatch also supports blood pressure monitoring, but not in the United States. In addition to these, the Sense 2 also features a sensor for all-day stress tracking, while the Galaxy Watch 5 comes with a Bioelectrical Impedance Analysis sensor for measuring body composition. Samsung also sells a special Golf Edition of the Watch 5.īoth watches have sensors for heart rate tracking, blood oxygen level measurement, ECG measurement, and even have a skin temperature sensor. Fitbit offers the Sense 2 in Graphite, Platinum, and Soft Gold whereas the Galaxy Watch 5 can be purchased in Graphite, Silver, and Pink Gold. Samsung's smartwatch also comes in 40mm and 44mm sizes and has an IP68 dust and water resistance rating as well as a 5 ATM water-resistance rating. In contrast, the Galaxy Watch 5 has a round dial protected by sapphire crystal, an aluminum armor case, and a replaceable 20mm band. It doesn't have an official IP rating but is water-resistant up to 50 meters. The Sense 2 has a square dial, aluminum case, and replaceable 24mm flexible straps.

The differences between the Fitbit Sense 2 and the Galaxy Watch 5 start with the design. Apart from Samsung and Fitbit, the smartwatch space has plenty of competition thanks to wearables like the Apple Watch Series 8 and Google Pixel Watch. Among the Fitbit Sense 2's rivals is the Samsung Galaxy Watch 5, and both smartwatches will be fighting for a place on users' wrists.

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