Apple Watch Ultra 3 vs Samsung Galaxy Watch9

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

4 differences
SpecificationApple Watch Ultra 3Samsung Galaxy Watch9
Display technologyDiffersOLEDAMOLED
Watch case materialDiffersTitaniumAluminium
Water resistanceDiffersWR1005 ATM
Battery life (max)Differs42 h40 h
Heart rate monitorSameYesYes
Always-on displaynot knownnot knownYes
Display brightnessnot known3000 nitsnot known
Display number of coloursnot knownnot known16 million colours
Display resolutionnot knownnot known480 x 480 pixels
Display technology marketing namenot knownnot knownSuper AMOLED
Pixel densitynot knownnot known327 ppi
Touchscreennot knownnot knownYes
Band sizenot knownnot knownMedium/Large 145mm to 205mm (44 mm · wi-fi only · sport)
Display typenot knownnot knownDigital
Lens materialnot knownnot knownSapphire
Market positioningnot knownnot knownSmartwatch
Watch glass typenot knownSapphire crystalnot known
Bluetoothnot knownnot knownYes
Bluetooth profilesnot knownnot knownA2DP, AVRCP, HFP, HSP
Bluetooth versionnot knownnot knownBluetooth 6.0 (44 mm · wi-fi only · sport)
Near Field Communication (NFC)not knownnot knownYes
Wi-Finot knownnot knownYes
Wi-Fi standardsnot knownnot knownWi-Fi 4 (802.11n), 802.11g, 802.11a, 802.11b
Flash memorynot knownnot known32 GB
Processor frequencynot knownnot known2100 MHz
RAM capacitynot knownnot known2000 MB
Sensor typenot knownnot knownBIA
Wireless chargingnot knownnot knownYes
Wireless chipsetnot knownS10not known
Closure typenot knownnot knownSingle prong strap buckle
Heart rate sensor typenot knownnot knownOptical
Shapenot knownnot knownRound
Skin temperature sensornot knownnot knownYes
BeiDounot knownnot knownYes
Galileonot knownnot knownYes
GLONASSnot knownnot knownYes
GPS (satellite)not knownnot knownYes
Quasi-Zenith Satellite System (QZSS)not knownnot knownYes
Accelerometernot knownnot knownYes
Ambient light sensornot knownnot knownYes
Barometernot knownnot knownYes
Geomagnetic sensornot knownnot knownYes
Gyroscopenot knownnot knownYes
Depthnot knownnot known46 mm
Thicknessnot knownnot known8.6 mm
Weightnot knownnot known34 g
Widthnot knownnot known43.7 mm
Audio formats supportednot knownnot known3GA, AAC, AMR, AWB, M4A, MP3, OGA, OGG, WAV
Built-in cameranot knownnot knownNo
Built-in speaker(s)not knownnot knownYes
Battery typenot knownnot knownBuilt-in battery
Processor coresnot knownnot known5
Processor manufacturernot knownnot knownQualcomm
Built-in microphonenot knownnot knownYes
International Protection (IP) codenot knownnot knownIP68
Battery life (power save mode)not known72 hnot known
Operating system installednot knownnot knownWear OS
Activity measurementsnot knownDual-frequency GPSnot known
Security update termnot knownnot known31 July 2031
Military standardnot knownnot knownMIL-STD-810H