Apple Watch Series 5 vs 3: should you opt for the pricier model?

Apple has recently launched the Series 5 watch. There were very few leaks ahead of the 10th September event and some were even wondering whether we would see a new iteration.

But now its here and it comes with some handy upgrades. The Cupertino outfit has, at the same time, decided to discontinue the Series 4 watch while slashing the price of Series 3. You can still pick up the Series 4 while stocks last but its days are numbered.

Essential readingTop fitness trackers and health gadgets

This means for the next year or until the company releases the Series 6 device, those interested an Apple Watch will mostly be looking to decide between the Series 3 and 5.

Is the latest model worth the extra money? Here’s our guide to help you choose the right watch for you.


Apple Watch Series 5 vs 3: General and design

Apple Watch Series 5 vs 3: should you opt for the pricier model?
Apple Watch Series 3

Although they look similar, there are quite a few differences between Series 3 and 5 when it comes to design.

For starters, the display sizes are different. The Series 5 (and 4) sport an edge-to-edge screen with technology called LTPO that improves power efficiency. The screen real estate is larger by 30% on both the 40mm and 44mm version.

This means the device is able to show more complications and apps can show more information and detail. At 10.7mm, the Series 5 (and 4) is also slightly thinner than Series 3.

Another important upgrade is that with Series 5 you finally have an always-on display. You don’t get this with predecessor versions. You finally have a watch that never goes dark. Apple has managed to achieve this whilst keeping the battery life the same at 18 hours.

Other hardware has also seen improvements.

Apple Watch Series 5 vs 3: should you opt for the pricier model?
Apple Watch Series 5

On Series 5 (and 4), the digital crown has been completely reengineered. It now includes haptic feedback, giving you a more responsive mechanical feel through the sensation of incremental clicks. The microphone has also seen a boost.

Each subsequent version of the watch comes with better internals. Powering everything on the latest iteration is a fifth generation SIP called S5. This contains a dual core 64-bit processor customized by Apple to bring 2 times faster performance than on Series 3. Memory has also been doubled with Series 5 to 32mb.

To summarize, Apple’s latest watch clearly improves on Series 3 in a number of ways. The most important is the larger, always-on display. But improvements under the hood mean the watch will also perform better.

Pretty much the only design difference between Series 5 and 4 is the always-on screen on the former and a slightly better processor and memory.

Here’s a table showing how the devices compare in terms of general specs and design.

Series 5
Series 4
Series 3
Sizes
44mm and 40mm
44mm and 40mm
42mm and 38mm
Display area
977 and 759 sq mm
977 and 759 sq mm
740 and 563 sq mm
Always on
Yes
Display type
LTPO OLED Always-On Retina display with Force Touch
1000 nits brightness
LTPO OLED with Force Touch
1000 nits brightness
OLED Retina display with Force Touch
1000 nits brightness
Dimensions
44 x 38 x 10.7mm
40 x 34 x 10.7mm
44 x 38 x 10.7mm
40 x 34 x 10.7mm
38.6 x 33.3 x 11.4mm
42.5 x 36.4 x 11.4mm
Chip
S5 with 64-bit dual-core processor. W3 Apple wireless chip
S4 with 64-bit dual-core processor. W3 Apple wireless chip
S3 with dual-core processor. W2 Apple wireless chip
Memory
32GB
16GB
8GB/16GB (cellular)
Speaker
up to 50% louder
up to 50% louder
 
Connectivity
LTE and UMTS
GPS + Cellular models. 
Wi-Fi
802.11b/g/n 2.4GHz
Bluetooth 5.0
LTE and UMTS
GPS + Cellular models. 
Wi-Fi
802.11b/g/n 2.4GHz
Bluetooth 5.0
LTE and UMTS
GPS + Cellular models. 
Wi-Fi
802.11b/g/n 2.4GHz
Bluetooth
 4.2
Battery life (base model)
Built-in rechargeable lithium-ion battery
Up to 18 hours.
Built-in rechargeable lithium-ion battery
Up to 18 hours.
Built-in rechargeable lithium-ion battery
Up to 18 hours.
Finishes
Aluminium, stainless steel, titanium, ceramic
Aluminium, stainless steel
Aluminium
Digital crown
Digital crown with haptic feedback
Digital crown with haptic feedback
Digital crown
Price (typical RRP)
starting at $399
starting at $379
starting at $199

Apple Watch Series 5 vs 3: Features

Some watches might be better at tracking fitness, but the Apple Watch is the best all-rounder out there. If you’re interested both in activity monitoring and lots of smart functionality, it is your best choice.

In terms of activity tracking, pretty much the only difference between Series 4 and 5 is the addition of a compass on the newer device. But there are quite a few differences between these two and Series 3.

Most famously, there is the ECG monitor which was introduced starting with Series 4. Apple has integrated a crystal electrode on the back of the device and it connects to the digital crown electrode. You’ll get a full report in the new ECG app that will let you know if your heart rhythm is normal or there are issues. The improved heart rate sensor also dishes out low heart rate alerts and will let you know if it suspects atrial fibrillation.

Then there is Apple’s next generation accelerometer and gyroscope which can sample motion data 8 times faster. The improved hardware allows the Series 5 (and 4) device to do a better job at tracking steps, calories and more. It also allows the gizmo to do some more interesting things such as fall detection.

Other health and fitness tracking functionality is pretty much the same across the different versions.

apple-watch-series-5-1

Apple Watch Series 3
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That is the case for smart functionality, too. All of these models come with an LTE option, they come with Apple Pay, Gym Kit and more. They will all be compatible with WatchOS 6 when it comes out on September 19th, and come with a great ecosystem of apps.

Here’s a run-down on how the watches compare when it comes to activity tracking and smart functionality.

Series 5
Series 4
Series 3
2nd generation optical heart rate sensor
Yes
Yes
Accelerometer
up to 32 g-forces
up to 32 g-forces
up to 16 g-forces
Electrical heart sensor (ECG)
Yes
Yes
Compass
Yes
Fall detection
Yes
Yes
Low heart rate alerts
Yes
Yes
Alerts for atrial fibrillation
Yes
Yes

Apple Watch Series 5 vs 3: Verdict

Most of the differences between the Series 5 and 3 Apple Watch stem from design. It will be down to you to decide whether a larger, always-on display and more powerful internals are worth the extra money.

And the price difference is quite significant. The Series 5 starts at $399, the Series 3 at $199. You’ll struggle to find a smartwatch as feature-packed as the Series 3 for that price. It’s great for those on a tight budget.

Having said that, the activity tracking internals have been improved on Series 5 (and 4) and include a better heart rate sensor and accelerometer, along with the ability to take an ECG and some other upgrades. These changes may not make a difference to you as the Series 3 does a perfectly decent job at tracking fitness. However, for those that can afford it it’s usually better to opt for the newer device.

apple-watchse

Apple Watch Series 5
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There’s also another option. If you can find a hefty discount you could always go for the Series 4 watch. Apple has discontinued it but while stocks last you will be able to buy it. It lacks the always-on display and compass of the Series 5 but comes with pretty much everything else.

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Marko Maslakovic

Marko founded Gadgets & Wearables in 2014, having worked for more than 15 years in the City of London’s financial district. Since then, he has led the company’s charge to become a leading information source on health and fitness gadgets and wearables.

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