From the manufacturer

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Insights that push you further

The Samsung Galaxy Watch Active2 is designed to help you learn more so you can achieve more. It goes beyond tracking steps and calories to offer actionable insights on everything from your running style to your heart rate.* Connect seamlessly via Bluetooth to your favorite apps so you can keep moving and a sleek, all-new design means you can wear the Galaxy Watch Active2 everywhere from the gym to the pool to your bed.

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Comparison Chart

Galaxy Watch Active2(LTE)
Screen Size	1.2″ / 1.4″	1.2″ / 1.4″	0.95″	1.2″	1.3″
Display	360 x 360 Super AMOLED	360 x 360 Super AMOLED	120 x 240 Full Color AMOLED	360 x 360 Super AMOLED	360 x 360 Super AMOLED
Processor	1.15 GHz Dual-Core	1.15 GHz Dual-Core	96 MHz	1.15 GHz Dual-Core	1.15 GHz Dual-Core
Memory	0.75GB RAM / 4GB Storage	1.5GB RAM / 4GB Storage	N/A	0.75GB RAM(BT) / 4GB Storage	1.5GB RAM (LTE) / 4GB Storage
OS	Tizen	Tizen	FreeRTOS	Tizen	Tizen
Connectivity	2.4 GHz Bluetooth v5.0	LTE WiFi: 802.11 b/g/n	Bluetooth v5.0, LE only	802.11 / 2.4 GHz Bluetoothv4.2	802.11 / 2.4 GHz Bluetoothv4.2
Battery	247 mAh	340 mAh	120 mAh	270 mAh	472 mAh
Dimensions	40mm x 40mm x 10.9mm	44mm x 44mm x 10.9mm	45.1mm x 18.3mm x 11.2mm	41.9mm x 45.7mm x 12.7mm	46mm x 49mm x 13mm
Weight	26g	44g	23g	49g	63g
Strap	20mm fluoroelastomer	20mm leather	fluoroelastomer	20mm silicon	22mm silicon

Legal

1. This device and related software are not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment or prevention of disease.
2. 44mm version lasts longer than 40mm version. Average expected performance based on typical use. Results may vary.
3. Works with Qi compatible Samsung devices (compatibility with non-Samsung Qi devices not guaranteed); speed and power efficiency of charge varies by device and may be restricted by cases or covers.
4. Most Bixby voice functionality requires LTE or Bluetooth connection to a phone. LTE version requires initial set up for standalone use.
5. Samsung Pay is not available on iOS smartphones. After initial setup, Samsung Pay on Galaxy Watch Active2 can make at least five transactions without reconnecting to a network. Samsung Pay on Galaxy Watch Active2 requires network connection through LTE or Wi-Fi or via Bluetooth pairing with compatible smartphone. Samsung Pay on the Galaxy Watch Active2 is only compatible with select cards, carriers, and Samsung devices and non-Samsung Android phones. Samsung Pay on the Galaxy Watch Active2 is compatible only with NFC-type payment terminals.
6. Compatible with select Bluetooth-capable smartphones. Galaxy Watch Active2-supported features may vary by carrier and compatible device. For best results, connect with compatible Samsung Galaxy smartphones.