Apple Watch Series 8 Aluminum vs Apple Watch SE

A2773, A2775, A2772, A2774, A2857, A2858

A2353, A2354, A2355, A2356, A2351, A2352

2022, September

2020, October

2022, September

2020, October

Bar

Square

45 x 38 x 10.7 mm (1.77 x 1.50 x 0.42 in)

44 x 38 x 10.4 mm (1.73 x 1.50 x 0.41 in)

32 g (41mm), 38.8 g (45mm) (1.13 oz)

36.4 g (1.27 oz)

Glass front, ceramic/sapphire crystal back, aluminum frame IP6X certified 50m water resistant

Glass front, ceramic/sapphire crystal back, aluminum frame

Midnight, Starlight, Silver, Red

Silver, Gold, Space Gray

1.9 inches

1.78 inches, 10.0 cm2 (~60.0% screen-to-body ratio)

484 x 396 pixels

448 x 368 pixels

1B colors

-

Yes

Yes, 3D Touch display

Always-on display 1000 nits (peak)

-

watchOS 9.0

watchOS 7.0

Apple S8

Apple S5

Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max, temperature (body) Temperature sensing (0.01˚ accuracy) Natural language commands and dictation (talking mode) Ultra Wideband (UWB) support

Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass

Wi-Fi 802.11 b/g/n, dual-band

Wi-Fi 802.11 b/g/n

Yes, with A-GPS, GLONASS, GALILEO, QZSS, BDS

Yes, with A-GPS, GLONASS

Yes, Fast wireless charging

Yes

308 mAh, Battery

Up to 18 h (mixed usage)