Apple Watch 6 vs. Apple Watch SE: Which should you buy?


Apple launched two new smartwatches last year: the Apple Watch Series 6 and the Apple Watch SE. Both devices run WatchOS 7 (and WatchOS 8 soon). The Watch SE is a more affordable version of Apple’s flagship Watch. It has fewer features and an older processor, Apple’s S5 chip. The devices have cellular and Wi-Fi-only variants. The Watch Series 6 starts at $399 (£379, AU$599), while the Watch SE costs $279 (£269, AU$429). If you’re interested in either smartwatch but aren’t sure which one you should get, read on for our deep dive on how these two compare.

Read more: Apple Watch 7 rumors: The new smartwatch could get a size boost

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Apple Watch SE and Apple Watch Series 6 comparison


Design: Similar looks, but Series 6 has more design options

Both the Watch Series 6 and the SE have the same display and resolution, so you’ll get the same viewing experience. They’re also water resistant so you can swim with them, and they work with Apple’s two new bands, the Solo and Braided loops

The Watch Series 6, however, has more design and color choices. In addition to the standard silver, grey and gold aluminum colors, the Series 6 comes in blue and red. It also has steel and titanium variants, with different color options in both materials. Hermès, the luxury fashion company and longtime partner of Apple Watch also has new bands of its own for the Series 6.

Lastly, the Series 6 has an always-on display. Originally introduced in the Watch Series 5 last year, it means that the display is constantly on and you don’t need to raise your wrist or tap the screen to look at the time or check for notifications.


The Watch Series 6 with its new loop bands.


Hardware: Watch Series 6’s blood oxygen sensor

The Watch Series 6 has the latest S6 chipset from Apple while the Series SE has the S5 system. While the Watch SE’s setup isn’t as advanced as the Series 6, Apple said the SE is twice as fast as 2017’s Series 3.

One major update that’s only on the Watch Series 6 are sensors that measure your blood oxygen levels. Known as an oximeter, this feature can gather important information about your breathing and blood circulation in 15 seconds, and lend key insight about your overall respiratory and cardiac health. It’s particularly important for those affected by COVID-19, since blood oxygen levels are indicative of how severely the disease is affecting your body.

Read more: Apple Watch SE: Um, what exactly is the point of this $279 smartwatch?

The Blood Oxygen app.


The accompanying Blood Oxygen app will take measurements in the background, like during sleep, but you can manually activate a reading too. Data is viewable through the built-in Health app, where you can see your levels and track trends over time.

Both watches also have an optical heart sensor to measure heart rate. But the Watch Series 6 also has an app for its electrical heart sensor (abbreviated as ECG or EKG), which debuted on the Watch Series 4, to detect irregular heart rhythms.

Lastly, Watch Series 6 has an Ultra Wideband, or U1 chip. Available in iPhones starting with the iPhone 11 line, this chip is for “spatial awareness,” and it helps devices find other devices more precisely when they’re in close proximity. When it debuted last year, Apple said this chip would improve AirDrop, a service that lets iPhone users quickly share files with nearby iPhones. Tantalizingly, Apple added that “that’s just the beginning” of its uses. Many believe that the U1 chip is actually laying the groundwork for a long-rumored Apple tile tracker.

Read more: Apple Watch SE vs Series 6 vs. Series 3: How to choose?

Software features: Both run WatchOS 7

New to WatchOS 7 and available on the Watch Series 6 and Watch SE is Family Setup. This allows you to pair an iPhone to someone else’s Apple Watch, be it a family member like a young child or an elderly adult. You can then apply controls, like limiting contacts and app downloads, or automatic location tracking. The other person won’t have to have an iPhone of their own. WatchOS 7 comes with a number of new watch faces as well, including ones for Memoji stickers.

These updates are included on top of several standard Apple Watch features like fall detection, noise-level monitoring, emergency SOS contact and an altimeter to measure elevation levels.


The Apple Watch Series SE.


Apple Watch Series 6 vs. Series SE specs

Apple Watch Series 6 Apple Watch Series SE
Display size, resolution 40mm, 44mm Retina OLED 368×448 pixels 40mm, 44mm Retina OLED 368×448 pixels
Always-on Yes No
Dimensions (millimeters) 40mm: 40mm (height), 34mm (width), 10.4mm (depth);  44mm: 44mm (height) 38mm (width) 10.4mm (depth) 40mm: 40mm (height), 34mm (width), 10.4mm (depth); 44mm: 44mm (height) 38mm (width) 10.4mm (depth)
Weight (grams) 40mm Wi-Fi: 30.5g, Wi-Fi + Cellular: 30.5g; 44mm Wi-Fi: 36.5g Wi-Fi + Cellular: 36.5g 40mm Wi-Fi: 30.49g, Wi-Fi + Cellular: 30.68g; 44mm Wi-Fi: 36.2g Wi-Fi + Cellular: 36.36g
Materials/ finishes Aluminum, steel and titanium Aluminum
Colors Silver, grey, gold, blue and red (aluminum); silver, graphite and gold (steel); titanium and black (titanium) Silver, grey and gold
Interchangeable bands Yes Yes
GPS Built-in Built-in
Automatic workout detection Yes Yes
Compass Yes Yes
Altimeter Yes Yes
Water resistance Yes, up to 50m Yes, up to 50m
Calls Yes Yes
Notifications Text replies Text replies
Microphone Yes Yes
Speaker Yes Yes
Voice assistant Siri Siri
Music Onboard, playback and streaming (with Cellular model) Onboard, playback and streaming (with Cellular model)
Mobile Payments Apple Pay Apple Pay
Sleep tracking Yes Yes
Period tracking Yes Yes
Special features Blood Oxygen app, ECG app, U1 chip, emergency SOS, fall detection, hearing health alerts Wmergency SOS, fall detection, hearing health alerts
Emergency features Emergency SOS, International emergency calling, fall detection Emergency SOS calling (911 and emergency contacts)
Compatibility iOS/iPhone only iOS/iPhone only
Software WatchOS 7 WatchOS 7
Processor S6 chip dual-core processor and W3 wireless chip S5 chip dual-core processor and W3 wireless chip
Connectivity Wi-Fi and Cellular option ($100 more) Wi-Fi and Cellular option ($50 more)
Storage 32GB 32GB
Bluetooth 5.0 5.0
Power Magnetic Apple charging cable and USB connector (backward compatible) Magnetic Apple charging cable and USB connector (backward compatible)
Battery life All day (18 hrs.) All day (18 hrs.)
Price (USD) Starting at $399 (40mm aluminum) Starting at $279 (40mm aluminum)
Price (GBP) £379 £269
Price (AUD) AU$599 AU$429

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