Apple Watch Series 6 Aluminum vs Apple Watch Series 8

A2293, A2294, A2375, A2376, A2291, A2292

A2773, A2775, A2772, A2774, A2857, A2858

2020, October

2022, September

2020, October

2022, September

Square

Bar

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

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

47.1 g (1.66 oz)

42.3 g (41mm), 51.5 g (45mm) (1.48 oz)

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

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

Silver, Gold, Space Gray, Blue, Red

Midnight, Starlight, Silver, Red

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

1.9 inches

448 x 368 pixels

484 x 396 pixels

Yes, 3D Touch display

Yes

Always-on display

Always-on display 1000 nits (peak)

-

1B colors

watchOS 7.0

watchOS 9.0

Apple S6

Apple S8

Accelerometer, gyro, heart rate (2nd gen), barometer, always-on altimeter, compass, SpO2, VO2max

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

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

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

Yes

Yes, Fast wireless charging

303.8 mAh

308 mAh, Battery