Apple Watch Ultra 4 vs Xiaomi Redmi Watch 5 Active

The two products' specifications row by row. Rows where they differ are marked; a missing value is unknown, never equal.

5 differences
SpecificationApple Watch Ultra 4Xiaomi Redmi Watch 5 Active
Water resistanceDiffers100m (swim, snorkel, scuba, high-speed water sports)5ATM
Display resolutionDiffers422 by 514 pixels320 x 385 pixels
WeightDiffers63.0 g42.2 g
Operating system installedDifferswatchOSHyperOS
Heart-rate derived metricsDiffersblood oxygenblood oxygen; stress
Built-in microphoneSameYesYes
Band materialnot knownnot knownTPU
Band sizenot knownnot known135-205 mm adjustable
Shapenot knownnot knownSquare
Watch case materialnot knownTitanium case, Grade 5not known
Wrist size rangenot known130–210mmnot known
Display brightnessnot knownnot known500 nits
Display diagonalnot knownnot known2 inch
Display technologynot knownnot knownLCD
Display typenot knownnot knownLCD
Depthnot known12 mmnot known
Widthnot known44 mmnot known
Battery capacitynot knownnot known470 mAh
Battery life (max)not known50 hnot known
Heart rate monitornot knownnot knownYes
Military standardnot knownMIL-STD 810Hnot known
Bluetooth versionnot knownnot known5.3
Mobile network connectionnot knownnot knownNo
International Protection (IP) codenot knownIP6Xnot known
Built-in speaker(s)not knownYesnot known
Wireless chipsetnot knownS11 chip with 64-bit dual-core processornot known
Battery lifenot knownnot known18 days
Dimensions (WxDxH)not knownnot known49.1 x 40.4 x 11.4 mm
Device memorynot known64 GBnot known
Interchangeable strapsnot knownnot knownYes
Link to manufacturer informationnot knownhttps://apple.com/apple-watch-ultra-4/specs/not known
Measurementsnot knownHeight: 49mm Width: 44mm Depth: 12mmnot known
Sustainable technologies and materialsnot known100% recycled titanium in the casenot known
Battery Life Heavy Daysnot knownnot known12 days
Brightnessnot knownnot known500
Display Peak Brightnessnot known3000 nitsnot known
Fast Chargenot knownUp to 80% charge in about 45 minutesnot known
Satellite Communicationsnot knownSatellite communications (Emergency SOS, Messages, Find My)not known
Screen To Body Rationot knownnot knownexceeding 70%
Sensorsnot knownnot knownheart rate, accelerometer, SpO2