Apple Watch SE 3 v SE 2 – Worth the upgrade? What’s the difference?
Apple Watch SE 2 is 3 years old. However, the new model today hardly warrants an upgrade recommendation.
TL;DR – The always-on display, wrist temperature sensor, and 5G add visual appeal, ovulation estimates, and improve connectivity. That’s it.
If your battery health is low, you might want to upgrade to get a fresh battery and enjoy an always-on display. You will get several new software features for free in a few weeks; hang tight until then.
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The big disappointment is the lack of an upgrade to the optical HR sensor. Instead, the new wrist temperature sensor and 5G connectivity offer something extra, but hardly worth the upgrade call.
| Feature | Apple Watch SE 3 | Apple Watch SE 2 |
| Chip | S10 chip with a 64‑bit dual-core processor | S8 SiP with 64-bit dual-core processor |
| Display | Always-On Retina with OLED and LTPO. Up to 1000 nits peak brightness. 4x more crack-resistant glass | Retina LTPO OLED display.Up to 1000 nits maximum brightness |
| Storage | 64GB capacity | 32GB capacity |
| Sensors | Second-generation optical heart sensor, Temperature sensor, Compass, Always-on altimeter, High-g accelerometer, High dynamic range gyroscope, Ambient light sensor | Second-generation optical heart sensor, Compass, Always-on altimeter, High-g accelerometer, High dynamic range gyroscope, Ambient light sensor |
| Health & Wellness | Cycle Tracking with retrospective ovulation estimates, Sleep score, Sleep apnea notifications, Heart Rate app, High and low heart rate notifications, Irregular rhythm notifications, Medications app, Mindfulness app, Noise app, Sleep app, including sleep stages | Heart Rate app, High and low heart rate notifications, Irregular rhythm notifications, Medications app, Mindfulness app, Noise app, Sleep app, including sleep stages |
| Connectivity | L1 GPS, GNSS, Galileo, and QZSS 5G and LTE, Wi-Fi 4 (802.11n), Bluetooth 5.3 | L1 GPS, GNSS, Galileo, and QZSS 4G LTE and UMTS, Wi-Fi 4 (802.11n) Bluetooth 5.3 |
| Fast Charging | Up to 80% charge in about 45 minutes | No |
| Battery Life | Up to 18 hours of normal use
Up to 32 hours in Low Power Mode |
Up to 18 hours of normal use |
| Gestures | Double-tap and wrist flick gestures | None |
| Siri | Siri with on-device processing | Siri |
Thank you for this post. I often flirt with buying an Apple Watch and “new and shiny” is usually the go to. This talks me off a ledge.