Samsung

Apple

Galaxy Watch6 Classic

Watch Ultra

2023

2022

2023

2022

Black, Silver

Titanium

4G

4G

eSIM

eSIM

1, 3, 5, 7, 8, 20

Intl, CH: 1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66
USA, LATAM, CA: 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66

802.11 a/b/g/n, dual-band

802.11 b/g/n, dual-band

5.3, A2DP, LE

5.3, A2DP, LE

GPS, GALILEO, GLONASS, BDS

GPS (L1+L5), GLONASS, GALILEO, BDS

Yes

Yes

No

No

No

Exynos W930

Apple S8

Dual-core 1.4 GHz Cortex-A55

Dual-core

Mali-G68

PowerVR

2 GiB

Super AMOLED

Retina LTPO OLED

2000 nits

1.3 in

1.92 in

432 pixels

502 pixels

432 pixels

410 pixels

453 ppi

338 ppi

Always-on display

Always-on display

stainless steel

titanium frame

Sapphire crystal

Sapphire crystal glass

IP68

IP6X

50m

100m

standard 20mm

Android Wear OS 4, One UI Watch 5

watchOS 9.0

watchOS 10.5

No

No

heart rate, thermometer (skin temperature)

heart rate, SpO2, VO2max, temperature (body)

Accelerometer, proximity, gyro, compass, barometer

Accelerometer, gyro, barometer, always-on altimeter, compass, temperature (water)

Li-Ion

Li-Ion

non-removable

non-removable

No

No

Qi

Yes

10 W