Skip to content

Watch comparison

Apple Ultra vs Apple Series 11

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Apple Watch Ultra

Apple Watch Ultra

  • 61.3 g.
  • Screen: 410 × 502 pixels; 326 ppi; 1,185 mm² display area.
  • Apple S8 SiP processor.
  • 32 GB storage in this version.
  • Runs watchOS 9.0, upgradable to watchOS 26.6.
KSh 90,000In Stock
Add to cart
02
Apple Watch Series 11

Apple Watch Series 11

  • Screen: 42mm: 374 × 446 pixels; 46mm: 416 × 496 pixels; 326 ppi.
  • 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 51,000In Stock
Choose options

Add to comparison

2 spaces available

Apple Watch Ultra 3KSh 90,000
Apple Watch Series 12 42mmKSh 64,000
Apple Watch Ultra 4 49mmKSh 118,000
Apple Watch Series 12 46mmKSh 70,000
Apple Watch Series 8KSh 50,000
Apple Watch Ultra 2KSh 103,500
Huawei Watch Ultimate 2KSh 124,000
2 of 4 products

Our quick verdict

The Apple Watch Ultra lasts longer between charges (36 hours vs 24 hours) and is rated for free diving to 40 m, while the Apple Watch Series 11 is lighter to wear all day and has more storage (64 GB).

Display

Apple Watch Ultra
410 × 502 pixels; 326 ppi; 1,185 mm² display area
Apple Watch Series 11
42mm: 374 × 446 pixels; 46mm: 416 × 496 pixels; 326 ppi

Performance

Apple Watch Ultra
Apple S8 SiP processor
Apple Watch Series 11
Apple S10; 4-core Neural Engine processor

Storage

Apple Watch Ultra
32 GB storage in this version
Apple Watch Series 11
64 GB storage in this version

Software

Apple Watch Ultra
Runs watchOS 9.0, upgradable to watchOS 26.6
Apple Watch Series 11
Runs watchOS 26, upgradable to watchOS 27

Battery life

Apple Watch Ultra
Up to 36 hours per charge
Apple Watch Series 11
Up to 24 hours per charge

Key differences

The main differences to help you choose.

Apple Watch Ultra

  • Longer battery life: up to 36 hours (vs 24 hours).
  • Rated for up to 36 hours per charge (vs 24).
  • Rated for free diving to 40 m.

Apple Watch Series 11

  • Lighter: 30.3 g (vs 61.3 g).
  • More storage: 64 GB (vs 32 GB).
  • Slimmer: 9.7 mm thick (vs 12 mm).
  • Newer model: released in 2025 (vs 2022).
  • Newer watchOS 26 (vs watchOS 9).

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 UltraApple Watch Series 11
Battery lifeUp to 36 hours per chargeUp to 24 hours per charge
Storage32 GB storage64 GB storage
DisplayOLED display, 326 ppiOLED display, 326 ppi
PerformanceApple S8 SiP processorApple S10 processor
SoftwarewatchOS 9.0watchOS 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 UltraApple Watch Series 11
DisplayAlways-On Retina LTPO2 OLEDAlways-On Retina LTPO3 wide-angle OLED
Screen resolution410 × 502 pixels; 326 ppi; 1,185 mm² display area42mm: 374 × 446 pixels; 46mm: 416 × 496 pixels; 326 ppi
Display protectionFlat sapphire crystalIon-X glass (aluminum); sapphire crystal (titanium)
Display features2000 nits (peak)2000 nits (peak); Wide-angle OLED

Connectivity

Connectivity specifications comparison
SpecificationApple Watch UltraApple Watch Series 11
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, GLONASS, GALILEO, QZSS, BDS
Ultra Wideband (UWB)Ultra Wideband (UWB) supportUltra Wideband (UWB) support (gen2 chip)

Identity & design

Identity & design specifications comparison
SpecificationApple Watch UltraApple Watch Series 11
BrandAppleApple
ModelApple Watch UltraApple Watch Series 11
Announced2022, September 072025, September 09
Dimensions49 × 44 × 12 mm42mm: 42 × 36 × 9.7 mm; 46mm: 46 × 39 × 9.7 mm
Weight61.3 g (2.15 oz)42mm: aluminum GPS 30.3 g, GPS + Cellular 29.7 g, titanium 34.6 g; 46mm: aluminum GPS 37.8 g, GPS + Cellular 36.9 g, titanium 43.1 g
Build materialsTitanium case; sapphire crystal front; ceramic and sapphire crystal backAluminum or titanium case
Wrist size130–210 mm42mm: 130–200 mm; 46mm: 140–245 mm
Controls / buttonsCustomizable Action button; Digital Crown with haptic feedback; side buttonDigital Crown with haptic feedback; side button

Performance & software

Performance & software specifications comparison
SpecificationApple Watch UltraApple Watch Series 11
ProcessorApple S8 SiPApple S10; 4-core Neural Engine
CPU64-bit dual-core64-bit dual-core
GPUPowerVRPowerVR
Storage32 GB64 GB
Operating systemwatchOS 9.0, upgradable to watchOS 26.6watchOS 26, upgradable to watchOS 27

Audio & communication

Audio & communication specifications comparison
SpecificationApple Watch UltraApple Watch Series 11
SpeakerDual speakers; sirenSupported
MicrophoneThree-microphone array with beamforming and wind-noise mitigationSupported
CallingCellular and Bluetooth calling; international emergency callingBluetooth calling; cellular calling on GPS + Cellular models

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationApple Watch UltraApple Watch Series 11
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; temperature sensor; compass; always-on altimeter; high-g accelerometer; high-dynamic-range gyroscope; ambient light sensor; depth gauge; water temperature sensor
Health & wellness featuresECG app; Blood Oxygen app where available; heart-rate notifications; irregular rhythm notifications; temperature sensing; cycle trackingECG app; blood oxygen feature where available; high and low heart-rate notifications; irregular rhythm notifications; temperature sensing; cycle tracking; mindfulness and medications apps
Sleep trackingSleep duration and sleep stagesSleep duration and sleep stages
Sports / workout modesWorkout app with running, cycling, swimming, multisport and other workout typesWorkout app with multiple workout types and automatic workout detection
Training & outdoor featuresPrecision dual-frequency GPS; compass waypoints and Backtrack; running dynamicsTraining load; pace and heart-rate zones; compass waypoints and backtrack; depth and water-temperature 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 sensorDepth gauge to 6 m; water-temperature sensor

Battery & durability

Battery & durability specifications comparison
SpecificationApple Watch UltraApple Watch Series 11
Battery lifeUp to 36 hours normal useUp to 24 hours normal use; 38 hours Low Power Mode
ChargingMagnetic fast charging to USB-C cableMagnetic fast charging
Water resistance100 m under ISO 22810:201050 m; swimproof
Durability / certificationsIP6X dust resistance; MIL-STD-810H; EN13319IP6X dust resistance

Compatibility

Compatibility specifications comparison
SpecificationApple Watch UltraApple Watch Series 11
Phone compatibilityiPhone 8 or later; iOS 16 or lateriPhone 11 or later, including iPhone SE (2nd generation or later); iOS 26 or later
Companion appApple Watch app on iPhoneApple Watch app on iPhone
ColorsTitaniumSlate, Gold, Natural

Additional specifications

Additional specifications specifications comparison
SpecificationApple Watch UltraApple Watch Series 11
Case materialTitanium—
Military-grade resistanceMIL-STD-810H—
FlashlightSupported—
Pixels per inch326 ppi326 ppi
Peak brightnessUp to 2,000 nitsUp to 2,000 nits peak; 1 nit minimum
Cover / touchscreenSupportedSupported
Release statusAvailable. Released 2022, September 23Available. Released 2025, September 19
Model numbersA2684, A2622, A2859, watch6,18A3335, A3337, A3452, A3453
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 (EU)0.35 W/kg (head) 0.60 W/kg (body)0.97 W/kg (head)
Additional hardware featuresTemperature sensing (0.01˚ accuracy); Depth gauge (±1m accuracy)Temperature sensing (0.01˚ accuracy); Media playback
Battery typeRechargeable lithium-ionRechargeable lithium-ion
Charging time—About 30 minutes to 80%
5G bands—SA/NSA
SAR (US)—1.19 W/kg (head)

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 take ECG readings.

In summary

Get the Apple Watch Ultra if you want longer battery life and free-diving support to 40 m, or the Apple Watch Series 11 if you would rather have a lighter watch for all-day wear and more storage.

Back to compared products ↑

In-stock alternatives

Apple Watch Ultra 3For Apple Watch UltraApple Watch Ultra 3View product ↗Apple Watch Ultra 2For Apple Watch UltraApple Watch Ultra 2View product ↗Apple Watch Series 8For Apple Watch Series 11Apple Watch Series 8View product ↗Apple Watch Series 10For Apple Watch Series 11Apple Watch Series 10View product ↗

Related comparisons

Apple Watch UltraApple Watch Ultra 3Apple Watch UltraApple Watch Series 12 42mmApple Watch UltraApple Watch Ultra 4 49mmApple Watch UltraApple Watch Series 12 46mmApple Watch Series 8Apple Watch UltraApple Watch UltraApple Watch Ultra 2Apple Watch UltraHuawei Watch Ultimate 2Apple Watch UltraAmazfit T-Rex Ultra 2Apple Watch UltraHuawei Watch D3
Menu
Need Help? +254 112891117
Back to Top

My Cart