Apple Watch 3 Fitbit VersaDisplay38mm: 1.5-inch OLED; 42mm: 1.65-inch OLED 1.34-inch LCDResolution38mm: 340x272 ; 42mm: 390x312 300x300Wi-FiYes YesGPSYes NoLTEYes NoFall detectionNo NoHeart-rate sensorYes (optical) YesAmbient light sensorYes YesWater-resistantYes YesPrice$199 $162 (Walmart)