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Apple Watch Series 6 vs Series 5: Should you upgrade?
June 25, 2025
Apple Watchesare expensive, but are some of thebest smartwatchesaround — if you have an iPhone, that is. TheApple Watch Series 6, Apple’s 2020 release, remains an excellent option for anyone that doesn’t want to splurge on the Series 7. It’s also a decent upgrade over its predecessor, but should you upgrade if you already have the Series 5? Here’s a look at the Apple Watch Series 6 vs Series 5.
Our verdict:Apple Watch Series 5 review|Apple Watch Series 6 review
Apple Watch Series 6 vs Apple Watch Series 5
Apple’s last significant re-design happened with the Apple Watch Series 4, but things have primarily stayed the same since. You’d have to glance at the spec sheet to see any physical differences between the Apple Watch Series 6 and Series 5. The Series 6 is slightly thinner and lighter than its predecessor, but not enough to make a noticeable difference. The good news? You can use the same accessories, like cases, with both.
The only differences are in build and colorways, but even most of that is the same. Aluminum, stainless steel, or titanium bodies are available for both, while the Series 5 has a ceramic option. There are plenty of familiar colorways, like Silver, Space Gray, and Gold. The Series 6 brings Blue and Product Red to the mix, while you can get a white Apple Watch Series 5 if you get the ceramic version. You can swap out bands with both as well.
Accessorize your Apple Watch:The best Apple Watch bands|The best Apple Watch cases
You’ll have to dive into the hardware to find any fundamental differences between the two. The Series 6 comes with a newer processing package that is, unsurprisingly, more powerful and 20% faster than the Series 5’s processor. Other internals stay the same, with 1GB of RAM and 32GB of storage rounding out the specs. Battery life is also about the same, with Apple saying that you can get up to 18 hours of battery life with both the Series 5 and Series 6.
Most of the upgrades with the Series 6 are with the sensors and on the software side. A welcome addition for fitness enthusiasts is apulse oximeterto keep track of blood oxygen levels. It’s not FDA-approved and likely not as accurate as medicalSpO2trackers, but it is good enough for keeping an eye on your heart health throughout the day. The Series 6 also upgrades the altimeter to an always-on altimeter. And that’s about it as far as differences go.
The Series 6 retains all the fitness and health tracking features from its predecessor, including all-day heart rate monitoring, anECGsensor, automatic and manual workout tracking, and sleep tracking. Apple introduced theApple Fitness Plusservice, with workouts led by expert trainers and more, with the Series 6, but you won’t have an issue using the service with the Series 5 either. You can get three months of Apple Fitness Plus for free when you buy a new Apple Watch (Series 3 and newer), and it’s included in someApple Oneplans.
Both watches are now running WatchOS 8.1, so the software experience is also identical. you’re able to take advantage of Apple’s unmatched app library and third-party support, get help fromSiri, useApple Pay, control your smart home devices, answer calls and reply to messages, and much, much more.
With the launch of theApple Watch Series 7, Apple no longer directly sells the Series 6 or Series 5 anymore, but you’re able to find them from retailers like Amazon. The Apple Watch Series 6 starts at $399 for the 40mm Bluetooth-only model and $499 for the LTE model. However, you can usually find it on sale around the holidays.
It doesn’t really make sense to buy the Series 5 now if you are in the market for a new Apple Watch. If you’re hoping for a cheaper version, you might want to consider theApple Watch SE. It’s essentially the same as the Series 5, but without features like an always-on-display and an ECG sensor.
The Apple Watch consistently tops our ranks of the best smartwatches around. If you already have an Apple Watch Series 5, you might want to look at getting theSeries 7instead, or theWatch SEif you’re on a budget.
The Series 6 has a faster processing package and adds new features like blood oxygen monitoring, but the experience is otherwise identical. Except for the pulse oximeter, you’ll get the same sensors with both, and the two are equally capable on the software side of things. It’s ultimately quite an iterative update, and you should be able to hold on to the Series 5 for a while longer unless SpO2 tracking is an absolute must-have.
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