Google Pixel Watch 4 (41 mm, Wi-Fi) / Apple Watch Series 10 (46 mm, GPS, aluminium)

The aluminium version uses Ion-X glass; the titanium versions have sapphire crystal.

The 45 mm model weighs 36.7 g.

GIGAZINE gives the 41 mm model's resolution as 426 × 426.

Up to 2000 nits and down to 1 nit. Apple says the wide-angle OLED looks up to 40% brighter when viewed at an angle, making the watch easier to read without raising the wrist.

The ability to drop to 1 Hz reduces the battery cost of the always-on display.

The co-processor handles notifications and sensor work while the screen is off without waking the main processor, saving battery.

The 45 mm model has a 455 mAh battery and up to 40 hours with the always-on display.

The watch sits in a new side-mounted dock; earlier Pixel Watch chargers do not fit this model.

ECG and some health features may be limited by country; readings are not a medical diagnosis.

This entry covers the Wi-Fi model; LTE and UMTS cellular connectivity is only on the LTE model.

5 ATM suits shallow-water activities like swimming, not diving or high-speed water sports.

Some features depend on the phone's Android version and the Pixel Watch app.

An iPhone is required for setup and use; it does not work with Android phones.

The electrical sensor enables ECG recordings and the optical sensor continuous heart rate. Availability of health features varies by country.

Suitable for shallow-water activities such as swimming, not for scuba diving or high-velocity water sports. The depth gauge is for snorkelling down to 6 metres.

This version has no cellular connection, so calls and data away from the phone need Wi-Fi. Location uses only the L1 band; there is no dual-frequency GPS.

Fast charging uses the included magnetic fast charger to USB-C cable; the adapter is sold separately.