First question - what phone do you have. The Galaxy Watch9 doesn't work with an iPhone, the Apple Watch doesn't work with Android.

Short answer

Galaxy Watch9 44 mm - Snapdragon Wear Elite, 1.47" 480×480, sapphire, IP68, thinner and cheaper. Apple Watch Series 12 46 mm - S11, up to 24 h, Ceramic Shield 2.

Key differences

SpecSamsung Galaxy Watch9 44mm BluetoothApple Watch Series 12 46mm GPS
Display1.47", Super AMOLED, 480×480OLED, 416×496
ChipQualcomm Snapdragon Wear EliteApple S11
Memory2 GB RAM / 32 GB64 GB
Battery life—up to 24 h
Battery445 mAh—
ConnectivityBluetooth, Wi-FiBluetooth, Wi-Fi
NavigationGPS, GLONASS, Galileo, BeiDou (L1 + L5)GPS, GLONASS, Galileo, QZSS, BeiDou (L1)
NFCyesyes
Sensorsheart rate, SpO2, barometer, compass, gyroscope, temperatureheart rate, SpO2, barometer, compass, gyroscope, temperature
Protection5 ATM / IP68 / MIL-STD-810H50 m / IP6X
OSWear OS 7watchOS 27
CompatibilityAndroid 13+, Google Mobile ServicesiPhone 11 / iPhone SE 2 / iOS 27
Dimensions, weight46.0×43.7×8.6 mm, 34 g46×40×9.7 mm, 39.5 g
Pricecurrent pricescurrent prices

Specs come from the device pages on Smartphone.ua.

Compatibility

Galaxy - Android 13+ with Google services. Apple - iPhone 11 and newer.

Display and case

1.47" 480×480, 8.6 mm and 34 g vs 416×496, 9.7 mm and 39.5 g.

Protection

5 ATM, IP68, MIL-STD-810H vs 50 m and IP6X.

Verdict: who should buy which

  • For Android - Galaxy Watch9 44 mm.
  • For iPhone - Apple Watch Series 12 46 mm.

FAQ

Is there NFC for payments?
Yes, on both.

Is there SpO2?
Yes, on both.

Which is cheaper?
The Galaxy Watch9 44 mm.

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