Samsung Galaxy Watch Ultra (2025) vs Samsung Galaxy Watch8

2 recorded spec differences. Samsung Galaxy Watch8 is currently the cheaper of the two on Amazon.sa (SAR 1,752 vs SAR 1,108, checked 4 Nov 2026).

Specifications side by side

SpecSamsung Galaxy Watch Ultra (2025)Samsung Galaxy Watch8
Phone, battery and calls
Cellular (LTE/eSIM)YesNo
Phone compatibilityAndroid—
Built-in GPSYesYes
Size, screen and durability
Case size47 mm40 mm
Display typeAMOLED—
Water resistance10 ATM—
Case materialTitanium—
Health and payments
ECGYes—
Contactless payment (NFC)Yes—
Heart-rate trackingYesYes
Other specs
App control (Wi-Fi)Yes—

Highlighted rows differ. Facts come from each Amazon.sa listing. As an Amazon Associate we earn from qualifying purchases. Buying through our links costs you nothing extra.