Compare Apple Watch Ultra 3 vs Xiaomi Redmi Watch 6

Apple Watch Ultra 3
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  Apple Watch Ultra 3 Xiaomi Redmi Watch 6
Launch
Version September 2025 October 2025
Network
Technology 5G -
Body
Dimensions 49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in) 46.5 x 40 x 9.9 mm (1.83 x 1.57 x 0.39 in)
Weight 61.6 g or 61.8 g 31 g (1.09 oz)
SIM eSIM eSIM (China only)
Design Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5) Plastic back, aluminum frame
Others IP6X certified, 100m water resistant, 40m swimproof/diving Waterproof (5ATM), 50m water resistant
Display
Type Retina LTPO3 OLED AMOLED
Size 1.98 inches 2.1 inches
Resolution 514 x 422 pixels 432 x 514 pixels
Protection Sapphire crystal glass -
Various Wide-angle OLED -
Platform
Operating System watchOS 26 HyperOS 3
Chipset Apple S10 -
CPU Dual-core -
GPU PowerVR -
Memory
Card Slot No No
Internal 64GB -
Camera
Primary No No
Sound
Loudspeaker Yes, with dual speakers Yes
3.5mm Jack No No
Comms
Wifi b/g/n, dual-band No
Bluetooth 5.3 5.4
GPS Yes Yes
NFC Yes NFC (China only)
Radio No No
USB No No
Features
Sensors Accelerometer, gyro, heart rate, barometer, always-on altimeter (-500m to 9000m), compass, SpO2, VO2max, temperature (body), temperature (water) Accelerometer, heart rate, compass, gyro, SpO2
Miscellaneous Temperature sensing, Depth gauge, Ultra Wideband, Emergency SOS via satellite -
Battery
Battery type 599 mAh 550 mAh
Charging Wireless -
Misc
Colors Natural, Black Black, Silver
Models A3281, A3282 M2523W1
Price 900 USD 80 USD
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