Compare Apple Watch Ultra 3 vs Xiaomi Watch 5

Apple Watch Ultra 3
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Xiaomi Watch 5
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  Apple Watch Ultra 3 Xiaomi Watch 5
Launch
Version September 2025 December 2025
Network
Technology 5G 4G
Body
Dimensions 49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in) 47 x 47 x 12.3 mm (1.85 x 1.85 x 0.48 in)
Weight 61.6 g or 61.8 g 56 g (1.98 oz)
SIM eSIM eSIM
Design Sapphire crystal front, ceramic/sapphire crystal back, titanium frame (grade 5) Sapphire crystal front, stainless steel frame (316L)
Others IP6X certified, 100m water resistant, 40m swimproof/diving Waterproof
Display
Type Retina LTPO3 OLED AMOLED
Size 1.98 inches 1.54 inches
Resolution 514 x 422 pixels 480 x 480 pixels
Protection Sapphire crystal glass Sapphire Glass
Various Wide-angle OLED -
Platform
Operating System watchOS 26 HyperOS 3
Chipset Apple S10 Qualcomm Snapdragon W5 Gen 1 (4 nm)
CPU Dual-core 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 Yes
Bluetooth 5.3 5.4
GPS Yes Yes
NFC Yes Yes
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, gyro, compass, barometer, heart rate, SpO2, EMG
Miscellaneous Temperature sensing, Depth gauge, Ultra Wideband, Emergency SOS via satellite -
Battery
Battery type 599 mAh 930 mAh
Charging Wireless -
Misc
Colors Natural, Black Gray, Silver
Models A3281, A3282 -
Price 900 USD 240 USD
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