Xiaomi Watch S4 Fjern	Apple Watch Ultra 3 Fjern
Lancering
Version	Oktober 2024	September 2025
Netværk
Teknologi	4G	5G
Krop
Dimensions	47.3 x 47.3 x 12 mm (1.86 x 1.86 x 0.47 in)	49 x 44 x 12 mm (1.93 x 1.73 x 0.47 in)
Vægt	44.5 g (1.59 oz)	61.6 g eller 61.8 g
SIM	eSIM	eSIM
Design	Aluminum alloy frame, stainless steel bezel	Sapphire crystal front, ceramic/sapphire crystal back, Titanramme (grade 5)
Andre	Waterproof (5ATM)	IP6X certified, 100m Vand resistant, 40m swimproof/diving
Skærm
Type	AMOLED	Retina LTPO3 OLED
Størrelse	1.43 inches	1.98 inches
Opløsning	466 x 466 pixels	514 x 422 pixels
Protection	Scratch/drop-proof glass	Sapphire crystal glass
Various		Wide-angle OLED
Platform
Styresystem	HyperOS 2	watchOS 26
Chipset		Apple S10
CPU		Dual-core
GPU		PowerVR
Hukommelse
Kortplads	Nej	Nej
Intern		64GB
Camera
Primær	Nej	Nej
Funktioner
Video
Selfie
Lyd
Højtaler	Ja	Ja, with dual speakers
3,5 mm-stik	Nej	Nej
Extra
Comms
Wifi	Nej	b/g/n, Dual-band
Bluetooth	5.3	5.3
GPS	Ja	Ja
NFC	Ja	Ja
Infrarød
Radio	Nej	Nej
USB	Nej	Nej
Funktioner
Sensorer	Accelerometer, gyro, Kompas, Barometer, heart rate, SpO2	Accelerometer, gyro, heart rate, Barometer, always-on altimeter (-500m to 9000m), Kompas, SpO2, VO2max, temperature (body), temperature (Vand)
Diverse		Temperature sensing, Depth gauge, Ultra Wideband, Emergency SOS via satellite
Batteri
Batteritype	486 mAh	599 mAh
Opladning		trådløs
Diverse
Farver	Black, Silver, Rainbow	Natural, Black
Models	M2424W1, M2425W1	A3281, A3282
I æsken
Pris	140 USD	900 USD