Samsung Galaxy Watch9 (40 mm, Bluetooth)

What it does

A 40 mm aluminium Wear OS smartwatch with a round AMOLED screen, worn on the wrist and paired with an Android phone. It reads heart rate, heart rate variability, respiratory rate, skin temperature and blood oxygen during sleep, tracks workouts with built-in GPS, and shows the data in the Samsung Health app.

From the description on samsung.com.

Samsung Galaxy Watch9 (40 mm, Bluetooth) specs

Type

Smartwatch

Works with

Samsung Galaxy and other supported Android phones; not iPhone

Battery

Up to 40 hours (30 hours with always-on display)

Water resistance

5 ATM, IP68

Size

40.4 x 42.7 x 8.6 mm

Weight

31.5 g

Case material

Aluminium

Display

Super AMOLED, 438 x 438 pixels, 327 ppi

Processor

Snapdragon Wear Elite (Qualcomm SW6100), 2.1 GHz and 1.95 GHz

Storage

32 GB storage, 2 GB RAM

Sensors

Accelerometer, gyroscope, heart rate, barometer, temperature, light

Location

GPS, GLONASS, BeiDou, Galileo, QZSS

Connectivity

Bluetooth 6.0, Wi-Fi 4 (802.11n), NFC (Samsung Pay)

Battery

390 mAh

Charging

Wireless, 10 W, about 77 minutes

Guarantee

2 years

Further specs from johnlewis.com.

How it compares

• To buy, it is the 30th cheapest of 67 smartwatches we compare (the middle one costs £361).
• Over three years, subscription included, it is the 30th cheapest of 67 smartwatches.
• It measures 8 of the 8 features we compare; the middle smartwatch measures 5.
• Has what fewer than half of them do: ECG, Blood pressure.
• It needs no subscription; 0 of the 67 do.

All smartwatches, ranked by cost over three years

Samsung Galaxy Watch9 (40 mm, Bluetooth) reviews and discussions

Reviews

• Wareable review of the Samsung Galaxy Watch9 (40 mm, Bluetooth)
• TechRadar review of the Samsung Galaxy Watch9 (40 mm, Bluetooth)
• Android Authority review of the Samsung Galaxy Watch9 (40 mm, Bluetooth)

Which?

• Which? tests of this kind of product members' content

Links to other sites' reviews and discussions; we do not run them and they are not ours.