So sánh apple watch seri 2 và 3 năm 2024
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Raise your wrist and the display instantly comes to life. Great screen area to feature a variety of watch faces with multiple complications. Always-On technology keeps the display on so you can see information at a glance. And with a maximum brightness of 2000 nits, twice that of Series 8 and SE, it’s easier to read in bright sunlight. Detailed watch faces look stunning, even when your wrist is down. The edge-to-edge design accommodates your favorite complications and makes tapping, typing, and swiping easy. The largest display, with up to 3000 nits of brightness — the brightest display Apple has ever designed. Large enough to see up to six lines of workout metrics at a glance. Readable even in direct sunlight. Always-On technology keeps the display on so you can see key information at a glance. The new exclusive Modular Ultra watch face is easily customizable and shows real-time altitude, depth, or second on the outermost edges, and Night Mode can activate automatically in the dark. Aluminum Aluminum Aluminum not available Stainless Steel not available Stainless steel Stainless steel not available Titanium not available Titanium not available Titanium 100% recycled aluminum case. Color-matched back case in a nylon composite material. Ion-X front glass. 100% recycled aluminum or stainless steel case. Features a thick front crystal with a flat base and robust geometry for durability and crack resistance. Ion-X front glass on aluminum models. Sapphire front crystal on stainless steel models. Made with 95% recycled aerospace-grade titanium for the perfect balance between weight, ruggedness, and corrosion resistance. Case designed with raised edges to protect the flat sapphire front crystal from edge impacts. Super rugged to withstand the elements. ECG app not available ECG app ECG app High and low heart rate notifications High and low heart rate notifications High and low heart rate notifications Irregular rhythm notifications Sleep stages Mental wellbeing Cycle Tracking Irregular rhythm notifications Sleep stages Mental wellbeing Cycle Tracking with retrospective ovulation estimates Irregular rhythm notifications Sleep stages Mental wellbeing Cycle Tracking with retrospective ovulation estimates Log your state of mind in the Mindfulness app and get insights into your mental health. Be alerted if Apple Watch detects unusually high or low heart rates or an irregular rhythm, as well as measure your current heart rate. And learn more about your time asleep with sleep stages. Log your state of mind in the Mindfulness app and get insights into your mental health. Temperature sensing works with Cycle Tracking to help you better understand your menstrual cycle. Take an ECG from your wrist, be alerted if it detects unusually high or low heart rates or an irregular rhythm, measure your current heart rate. And learn more about your time asleep with sleep stages. Log your state of mind in the Mindfulness app and get insights into your mental health. Temperature sensing works with Cycle Tracking to help you better understand your menstrual cycle. Take an ECG from your wrist, be alerted if it detects unusually high or low heart rates or an irregular rhythm, measure your current heart rate. And learn more about your time asleep with sleep stages. Emergency SOS Emergency SOS Emergency SOS International emergency calling International emergency calling International emergency calling Fall Detection Crash Detection Fall Detection Crash Detection Fall Detection Crash Detection Noise monitoring Backtrack Noise monitoring Backtrack Noise monitoring Backtrack Emergency Siren not available Emergency Siren not available Siren Emergency SOS to call for help and alert emergency contacts. Fall Detection if you’ve taken a hard fall. Crash Detection for help in the event of a severe car crash. Emergency SOS to call for help and alert emergency contacts. Fall Detection if you’ve taken a hard fall. Crash Detection for help in the event of a severe car crash. Engineered for more peace of mind when you’re out in the wild. Siren that can be heard up to 600 feet away. Emergency SOS to call for help and alert emergency contacts. Fall Detection if you’ve taken a hard fall. Crash Detection for help in the event of a severe car crash. Double tap gesture not available Double tap gesture Double tap gesture Siri Faster on-device Siri with health data access Faster on-device Siri with health data access Digital Crown with haptic feedback Digital Crown with haptic feedback Digital Crown with haptic feedback Side button Side button Side button Customizable Action button not available Customizable Action button not available Customizable Action button Cellular connectivity on GPS + Cellular models Cellular connectivity on GPS + Cellular models Cellular connectivity on GPS + Cellular model Cellular connectivity waypoints Cellular connectivity waypoints Cellular connectivity waypoints Supports Family Setup International roaming Supports Family Setup International roaming Supports Family Setup International roaming With an active cellular plan, make calls, send texts, stream music, and make emergency calls without your iPhone nearby. Pair watches for your children or older adults without an iPhone using Family Setup. With an active cellular plan, make calls, send texts, stream music, and make emergency calls without your iPhone nearby. Pair watches for your children or older adults without an iPhone using Family Setup. Cellular connectivity comes standard. With an active cellular plan, make calls, send texts, stream music, and make emergency calls without your iPhone nearby. Pair watches for your children or older adults without an iPhone using Family Setup. Electrical heart sensor not available Electrical heart sensor Electrical heart sensor Second-generation optical heart sensor Third-generation optical heart sensor Third-generation optical heart sensor Temperature sensor not available Temperature sensor Temperature sensor Dual-core S8 SiP Dual-core S9 SiP Dual-core S9 SiP Digital Crown with haptic feedback Digital Crown with haptic feedback Digital Crown with haptic feedback Customizable Action button not available Customizable Action button not available Customizable Action button L1 GPS L1 GPS Precision dual-frequency (L1 and L5) GPS Compass with Waypoints, Backtrack, and new Elevation view Compass with Waypoints, Backtrack, and new Elevation view Compass with Waypoints, Backtrack, and new Elevation view Always-on altimeter Always-on altimeter Always-on altimeter High-g accelerometer High-g accelerometer High-g accelerometer High dynamic range gyroscope High dynamic range gyroscope High dynamic range gyroscope Depth gauge and water temperature sensor not available Depth gauge and water temperature sensor not available Depth gauge and water temperature sensor Depth app (preinstalled) not available Depth app (preinstalled) not available Depth app (preinstalled) Dive computer app not available Dive computer app not available Dive computer app (available on the App Store) Second-generation speaker and mic Second-generation speaker and mic Dual speakers and three-mic array with beamforming Optical heart sensor for measuring your heart rate and heart rhythm. S8 SiP for up to 20% faster performance than the previous generation. Crash Detection with high-g accelerometer, high dynamic range gyroscope, barometer, GPS, and advanced sensor-fusion algorithm trained on over 1 million hours of real-world drive and crash data to detect a severe car crash. Temperature sensing that works with Cycle Tracking. Generate an ECG similar to a single-lead electrocardiogram with the ECG app. Crash Detection with advanced sensor-fusion algorithm trained on over 1 million hours of real-world drive and crash data to detect a severe car crash. Customizable Action button to begin a workout, turn on your flashlight, and more. Amazing GPS accuracy even in urban settings. Compass app with Backtrack, Waypoints, and new Elevation view for easier navigation. A depth gauge that activates automatically when you submerge. Generate an ECG similar to a single-lead electrocardiogram with the ECG app. Crash Detection with advanced sensor-fusion algorithm trained on over 1 million hours of real-world drive and crash data to detect a severe car crash. Siren attracts attention to your location. |
