The Oura Ring Gen 4 is the better choice for those looking for advanced health tracking features and a premium build quality. While the Galaxy Ring is a good option for basic fitness tracking, the Oura Ring Gen 4 offers more features and better value for its price. According to a review by Wirecutter, the Oura Ring Gen 4 has a battery life of up to 7 days and is water-resistant up to 100m.