32 facts in comparison

Apple Watch Series 10 Aluminum vs Apple Watch Series 9

DesignDisplayHealth & fitnessBatteryConnectivitySoftware

Tap a category to see which one wins it.

100Points
83Points

Why is Apple Watch Series 10 Aluminum better than Apple Watch Series 9?

  • 13 g less Weight ?29.3 g vs 42.3 g
  • 1 mm more Case size ?46 mm vs 45 mm
  • 0.06 " more Display size ?1.96 " vs 1.9 "
  • 12 px more Resolution ?496 px vs 484 px
  • 15 min less Charging time ?30 min vs 45 min
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What matters to you?

Drag the sliders to weight each category and re-rank the products to suit your priorities.

Design
Display
Health & fitness
Battery
Connectivity
Software
Your ranking
Apple Watch Series 10 AluminumYour pick100
Apple Watch Series 9Your pick84

Score breakdown

Design
Apple Watch Series 10 Aluminum100
Apple Watch Series 963
Display
Apple Watch Series 10 Aluminum100
Apple Watch Series 933
Health & fitness
Apple Watch Series 10 Aluminum100
Apple Watch Series 9100
Battery
Apple Watch Series 10 Aluminum100
Apple Watch Series 9100
Connectivity
Apple Watch Series 10 Aluminum100
Apple Watch Series 9100
Software
Apple Watch Series 10 Aluminum100
Apple Watch Series 9100

Design

Weight ?
29.3 g
42.3 g

A lighter watch is more comfortable to wear all day.

Case size ?
46 mm
45 mm

The case diameter; larger cases fit bigger displays, smaller ones suit slimmer wrists.

Case material ?
Glass front
Sapphire crystal front

The case material (e.g. aluminium, titanium).

Water resistance ?
5 ATM
5 ATM

A higher ATM rating allows swimming and diving.

Always-on display ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Shows the time and stats without raising your wrist.

Sapphire glass ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

A scratch-resistant sapphire crystal protects the screen.

Colors ?
Jet Black, Rose Gold, Silver
Graphite, Silver, Gold, Red

The case and band colour options the watch is sold in.

Display

Display size ?
1.96 "
1.9 "

A larger display is easier to read and interact with.

Resolution ?
496 px
484 px

A higher pixel count produces sharper text and graphics.

Display type ?
Retina LTPO3 OLED
Retina LTPO OLED

The screen technology (e.g. AMOLED).

Peak brightness ?
2,000 nits
2,000 nits

A brighter screen is easier to read in sunlight.

Health & fitness

Heart rate monitor ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Continuously tracks your heart rate.

Blood oxygen (SpO2) ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Measures blood-oxygen saturation.

ECG ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Takes an electrocardiogram to check heart rhythm.

Blood pressure ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Estimates blood pressure from the wrist.

Sleep tracking ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Monitors sleep stages and quality.

Built-in GPS ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Tracks routes and distance without a phone.

Skin temperature ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Senses skin temperature for health insights.

Fall detection ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Detects hard falls and can call for help.

Sport modes ?
? Unknown (Apple Watch Series 10 Aluminum)
? Unknown (Apple Watch Series 9)

More tracked workout types suit more activities.

Battery

Battery life ?
18 h
18 h

Estimated hours of use between charges.

Fast charging ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Tops up quickly from empty.

Wireless charging ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Charges on a wireless pad or puck.

Charging time ?
30 min
45 min

How long a full charge takes; lower is better.

Connectivity

Bluetooth version ?
5.3
5.3

A newer Bluetooth version improves range and efficiency.

Wi-Fi ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Connects to Wi-Fi for updates and sync without a phone.

Dual-frequency GPS ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

L1+L5 GPS gives more accurate tracking in cities and forests.

LTE / cellular ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Make calls and stream without your phone nearby.

NFC payments ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Pay contactlessly from your wrist.

Speaker & microphone ?
Apple Watch Series 10 Aluminum
Apple Watch Series 9

Take calls and use a voice assistant on the watch.

Software

Operating system ?
watchOS 11
watchOS 10

The watch software platform.

Onboard storage ?
64 GB
64 GB

More storage holds more offline music and apps.

The bottom line

The Apple Watch Series 10 Aluminum is the clear winner, scoring 100 to 83 on our VS Score. It leads on Design and Display. It is also the most affordable of the bunch, which makes the choice easier still.

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