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Watch comparison

Apple Ultra 2 vs Apple Ultra 3

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Apple Watch Ultra 2

Apple Watch Ultra 2

  • Screen: 410 × 502 pixels; 326 ppi; 1,185 mm² display area.
  • Apple S9; 4-core Neural Engine processor.
  • 64 GB storage in this version.
  • Runs watchOS 10, upgradable to watchOS 27.
  • Wi-Fi 4 support.
KSh 103,500In Stock
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02
Apple Watch Ultra 3

Apple Watch Ultra 3

  • Screen: 422 × 514 pixels; 326 ppi; 1,245 mm² display area.
  • Apple S10; 4-core Neural Engine processor.
  • 64 GB storage in this version.
  • Runs watchOS 26, upgradable to watchOS 27.
  • Wi-Fi 4 support.
KSh 90,000In Stock
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Apple Watch Ultra 4 49mmKSh 118,000
Apple Watch Series 12 46mmKSh 70,000
Apple Watch UltraKSh 90,000
Huawei Watch Ultimate 2KSh 124,000
Amazfit T-Rex Ultra 2KSh 85,000
Huawei Watch D3KSh 75,000
Amazfit GTR 3 ProKSh 20,000
2 of 4 products

Our quick verdict

The Apple Watch Ultra 3 is the better buy: it has faster recharging (45 minutes).

Display

Apple Watch Ultra 2
410 × 502 pixels; 326 ppi; 1,185 mm² display area
Apple Watch Ultra 3
422 × 514 pixels; 326 ppi; 1,245 mm² display area

Performance

Apple Watch Ultra 2
Apple S9; 4-core Neural Engine processor
Apple Watch Ultra 3
Apple S10; 4-core Neural Engine processor

Software

Apple Watch Ultra 2
Runs watchOS 10, upgradable to watchOS 27
Apple Watch Ultra 3
Runs watchOS 26, upgradable to watchOS 27

Battery life

Apple Watch Ultra 2
Up to 36 hours per charge
Apple Watch Ultra 3
Up to 42 hours per charge

Portability

Apple Watch Ultra 2
61.4 g
Apple Watch Ultra 3
61.6 g

Key differences

The main differences to help you choose.

Apple Watch Ultra 2

  • OLED display, 326 ppi.
  • Apple S9 processor.
  • 64 GB storage.
  • Up to 36 hours per charge.

Apple Watch Ultra 3

  • Recharges faster: 45 minutes (vs 1 hour).
  • Newer model: released in 2025 (vs 2023).
  • Newer watchOS 26 (vs watchOS 10).

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityApple Watch Ultra 2Apple Watch Ultra 3
Battery lifeUp to 36 hours per chargeUp to 42 hours per charge
Storage64 GB storage64 GB storage
DisplayOLED display, 326 ppiOLED display, 326 ppi
PerformanceApple S9 processorApple S10 processor
SoftwarewatchOS 10watchOS 26
ConnectionsWi-Fi 4, Bluetooth 5.3Wi-Fi 4, Bluetooth 5.3

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationApple Watch Ultra 2Apple Watch Ultra 3
DisplayAlways-On Retina LTPO2 OLEDAlways-On Retina LTPO3 wide-angle OLED
Screen resolution410 × 502 pixels; 326 ppi; 1,185 mm² display area422 × 514 pixels; 326 ppi; 1,245 mm² display area
Display protectionFlat sapphire crystalFlat sapphire crystal
Display features3000 nits (peak)3000 nits (peak); Wide-angle OLED

Connectivity

Connectivity specifications comparison
SpecificationApple Watch Ultra 2Apple Watch Ultra 3
Network / cellularGSM / HSPA / LTEGSM / HSPA / LTE / 5G
SIM / eSIMeSIMeSIM
Wi-FiWi-Fi 802.11 b/g/n, dual-bandWi-Fi 802.11 b/g/n, dual-band
Bluetooth5.3, A2DP, LE5.3, A2DP, LE
NFCSupported; Apple PaySupported; Apple Pay
Positioning / GNSSGPS (L1+L5), GLONASS, GALILEO, BDSGPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
Ultra Wideband (UWB)Ultra Wideband (UWB) support (gen2 chip)Ultra Wideband (UWB) support (gen2 chip)
Satellite features—Emergency SOS via satellite

Identity & design

Identity & design specifications comparison
SpecificationApple Watch Ultra 2Apple Watch Ultra 3
BrandAppleApple
ModelApple Watch Ultra 2Apple Watch Ultra 3
Announced2023, September 122025, September 09
Dimensions49 × 44 × 12 mm49 × 44 × 12 mm
WeightNatural titanium: 61.4 g; black titanium: 61.8 gNatural titanium: 61.6 g; black titanium: 61.8 g
Build materialsTitanium case; sapphire crystal front; ceramic and sapphire crystal backTitanium case; sapphire crystal front; ceramic and sapphire crystal back
Wrist size130–210 mm130–210 mm
Controls / buttonsCustomizable Action button; Digital Crown with haptic feedback; side buttonCustomizable Action button; Digital Crown with haptic feedback; side button

Performance & software

Performance & software specifications comparison
SpecificationApple Watch Ultra 2Apple Watch Ultra 3
ProcessorApple S9; 4-core Neural EngineApple S10; 4-core Neural Engine
CPU64-bit dual-core64-bit dual-core
GPUPowerVRPowerVR
Storage64 GB64 GB
Operating systemwatchOS 10, upgradable to watchOS 27watchOS 26, upgradable to watchOS 27

Audio & communication

Audio & communication specifications comparison
SpecificationApple Watch Ultra 2Apple Watch Ultra 3
SpeakerDual speakers; sirenDual speakers; siren
MicrophoneThree-microphone array with beamforming and wind-noise mitigationThree-microphone array with beamforming and wind-noise mitigation
CallingCellular and Bluetooth calling; international emergency callingCellular and Bluetooth calling; international emergency calling

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationApple Watch Ultra 2Apple Watch Ultra 3
SensorsBlood oxygen sensor; electrical heart sensor; third-generation optical heart sensor; temperature sensor; depth gauge; water-temperature sensor; compass; always-on altimeter; high-g accelerometer; high-dynamic-range gyroscope; ambient light sensorElectrical heart sensor, third-generation optical heart sensor, blood oxygen sensor, temperature sensor, depth gauge, water-temperature sensor, compass, always-on altimeter, high-g accelerometer, high-dynamic-range gyroscope and ambient-light sensor
Health & wellness featuresECG app; Blood Oxygen app where available; heart-rate notifications; irregular rhythm notifications; temperature sensing; cycle trackingBlood Oxygen, ECG, Cycle Tracking, heart-rate notifications, irregular-rhythm notifications, medications, mindfulness and noise features; availability varies by region
Sleep trackingSleep duration and sleep stagesSleep duration and sleep stages
Sports / workout modesWorkout app with running, cycling, swimming, multisport and other workout types—
Training & outdoor featuresPrecision dual-frequency GPS; offline maps; compass waypoints and Backtrack; running dynamics; cycling metrics—
Safety & emergency featuresEmergency SOS; international emergency calling; Fall Detection; Crash DetectionEmergency SOS; international emergency calling; Fall Detection; Crash Detection
Diving / depth featuresRecreational scuba diving to 40 m; depth gauge; water-temperature sensorRecreational scuba diving to 40 m; depth gauge; water-temperature sensor

Battery & durability

Battery & durability specifications comparison
SpecificationApple Watch Ultra 2Apple Watch Ultra 3
Battery lifeUp to 36 hours normal use; 72 hours Low Power ModeUp to 42 hours normal use; 72 hours Low Power Mode
ChargingMagnetic fast chargingMagnetic fast charging
Water resistance100 m under ISO 22810:2010100 m under ISO 22810:2010
Durability / certificationsIP6X dust resistance; MIL-STD-810H; EN13319IP6X dust resistance; MIL-STD-810H; EN13319

Compatibility

Compatibility specifications comparison
SpecificationApple Watch Ultra 2Apple Watch Ultra 3
Phone compatibilityiPhone XS or later, including iPhone SE (2nd generation or later); iOS 18 or lateriPhone 11 or later; iOS 26 or later
Companion appApple Watch app on iPhoneApple Watch app on iPhone
ColorsTitanium, BlackNatural, Black

Additional specifications

Additional specifications specifications comparison
SpecificationApple Watch Ultra 2Apple Watch Ultra 3
Case materialTitaniumTitanium
Military-grade resistanceMIL-STD-810HMIL-STD-810H
FlashlightSupportedSupported
Pixels per inch326 ppi326 ppi
Peak brightnessUp to 3,000 nits; 1 nit minimumUp to 3,000 nits peak; 1 nit minimum
Cover / touchscreenSupportedSupported
Charging timeAbout 1 hour to 80%About 45 minutes to 80%
Release statusAvailable. Released 2023, September 22Available. Released 2025, September 19
Model numbersA2986, A2987, Watch7,5A3281, A3282
Card slotNoNo
CameraNoNo
3.5 mm headphone jackNoNo
USBNoNo
RadioNoNo
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK; HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, CanadaHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International, China, HK; HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA, LATAM, Canada
4G bands1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK; 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada1, 2, 3, 4, 5, 6, 7, 8, 18, 19, 20, 25, 26, 28, 39, 40, 41, 66 - International, China, HK; 1, 2, 3, 4, 5, 6, 7, 12, 13, 14, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada
Network speedHSPA, LTEHSPA, LTE, 5G
SAR (US)0.88 W/kg (head)1.16 W/kg (head)
SAR (EU)0.22 W/kg (head)1.19 W/kg (head)
Additional hardware featuresTemperature sensing (0.01˚ accuracy); Depth gauge (±1m accuracy)Temperature sensing (0.01˚ accuracy); Depth gauge (±1m accuracy)
Battery typeRechargeable lithium-ionRechargeable lithium-ion
5G bands—SA/NSA

Similarities

  • Both belong to the Apple Watch platform.
  • Both support Wi-Fi 4.
  • Both use Bluetooth 5.3.
  • Both work with a companion app.
  • Both have NFC.
  • Both have a titanium case.

In summary

The Apple Watch Ultra 3 is the better buy for almost everyone, with faster recharging.

Back to compared products ↑

In-stock alternatives

Apple Watch UltraFor Apple Watch Ultra 2Apple Watch UltraView product ↗Apple Watch Ultra 4 49mmFor Apple Watch Ultra 2Apple Watch Ultra 4 49mmView product ↗Apple Watch Series 12 46mmFor Apple Watch Ultra 3Apple Watch Series 12 46mmView product ↗Apple Watch Series 12 42mmFor Apple Watch Ultra 3Apple Watch Series 12 42mmView product ↗

Related comparisons

Apple Watch Ultra 2Apple Watch Ultra 4 49mmApple Watch Ultra 2Apple Watch Series 12 46mmApple Watch UltraApple Watch Ultra 2Apple Watch Ultra 2Huawei Watch Ultimate 2Apple Watch Ultra 2Amazfit T-Rex Ultra 2Apple Watch Ultra 2Huawei Watch D3
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