Galaxy Watch 4 - Specification

Release year:  2021
Network: Bluetooth or Bluetooth/LTE (4G)
Material: Glass front (Gorilla Glass DX+), aluminum frame
Screen: 40 mm
1,2” Super AMOLED
396 x 396 pixels (~330 ppi density)
Corning Gorilla Glass DX+

44 mm
1,4” Super AMOLED
450 x 450 pixels (~321 ppi density)
Corning Gorilla Glass DX+
Processor: Exynos W920 (5nm)
Dual core 1,18GHz Cortex-A55
Mali-G68
Remind: 16GB 1,5GB RAM
Bacteria: Li-Ion 361 mAh, not removable
Wireless (Qi)
Other:

Accelerometer, gyro, compass, barometer, heart rate, SpO2
Wi-Fi 802.11 a/b/g/n, dual band
Bluetooth 5.0
NFC
eSIM
Measure: 40mm - 4,04cm x 3,93cm x 0,98cm
44mm - 4,44cm x 4,33cm x 0,98cm
Weight: 40mm - 25,9g
44mm - 30,3g