Smartwatches / Compare
Apple Watch Ultra vs Apple Watch Ultra 2
Product A: Apple
85 of 150 known
Change Apple Watch Ultra
Product B: Apple
99 of 150 known
Change Apple Watch Ultra 2
42 of 141 fields differ
- 22 different values
- 20 known for one only
- 55 the same
- 44 missing for both
Biggest differences
Each bar uses the scale of all 101 smartwatches.
- Peak brightnessA: 2,000nitsB: 3,000nitsWatch Ultra 2 is 1,000 nits higher.
Size, drawn to scale
Front and side.
- AWatch Ultra: 44 × 49 mm
- BWatch Ultra 2: 44 × 49 mm
Weight
0 to 80 g
Weight (case only)
A61.3g
B61.4g
All 150 fields
Every value links to where we found it.


General
3 of 10 differ
Series
Apple Watch Ultra1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026
Model numbers
GTIN / EAN
Not available
Not available
Announced
Status
Not available
Not available
Predecessor
Not available
Successor
Launch price (US)
Launch price (EU)
Markets
US, DE3Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Original launch expressly names US and Germany retail rollout. Regional model identities independently checked.5Press releaseapple.com/de/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Original German launch identifies actual marketed family and Germany rollout. No country inferred solely from page language.
Colours
Segment
OS updates promised
Not available
Not available
Security updates until
Not available
Not available
Case
4 of 8 differ
Case size
Case shape
Case material
Case material (as published)
Aerospace-grade titanium1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026
Back
Ceramic and sapphire crystal1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026
Case dimensions
Height49Width44Thickness12mm(1.9 × 1.7 × 0.5 in)1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026Dimensions for 49mm: height 49 mm, width 44 mm, depth 12 mm.
Height49Width44mm(1.9 × 1.7 in)1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Current sheet height 49 mm and width 44 mm agree with older sources. Thickness is omitted because current maker 12 mm conflicts with older exact maker 14.4 mm and review 14.5 mm, without a proved measurement exclusion.18Maker product pageapple.com/watch/compareRead 5 October 2026Maker Case row independently confirms published case height and width. Ultra 2 depth remains omitted because the current 12 mm claim differs from earlier exact maker 14.4 mm without a proved exclusion convention.
Weight (case only)
61.4g(2.2 oz)1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Maker case weights: Natural 61.4 g, Black 61.8 g. Source comparison Case row independently identifies case scope. No strap mass added.18Maker product pageapple.com/watch/compareRead 5 October 2026Exact selected models comparison explicitly places the same maker weights in Case rows, with bands in a separate section. This establishes case-only mass. Series 10 size/material/radio rows and Ultra 2 Natural/Black weights remain distinct.
Weight with strap
Not available
Not available
Durability
2 of 8 differ
Water resistance
Water resistance standard
Dust and water rating
Dive rating
Max dive depth
MIL-STD-810
MIL-STD-810 tests
Altitude, High temperature, Low temperature, Temperature shock, Immersion, Freeze/thaw, Shock, Vibration1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026Footnote 15: tested against subsections for Altitude, High Temperature, Low Temperature, Temperature Shock, Immersion, Freeze/Thaw, Shock and Vibration.
Altitude, High temperature, Low temperature, Temperature shock, Immersion, Freeze with thaw, Ice and freezing rain, Shock and vibration1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact listed MIL-STD-810H methods only. No claim that every method in the standard is tested.
Operating temperature
Display
6 of 14 differ
Display type
Display type (as published)
LTPO2 OLED Always-on Retina display1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026
Always-On Retina LTPO2 OLED display1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026
Screen size
Not available
Not available
Resolution
Pixel density
Not available
Display area
Touchscreen
Not available
Max refresh rate
Not available
Not available
Min refresh rate
Not available
Not available
Peak brightness
Minimum brightness
Not available
Always-on display
Display cover
Display cover (as published)
Platform
5 of 15 differ
Platform
OS at launch
Software
Not available
Not available
Latest OS
Not available
watchOS 278Maker product pageapple.com/os/watchosRead 5 October 2026Current watchOS 27 explicitly supports these exact models. Latest system needs iPhone 11 or later, or SE second generation or later, with iOS 27. Original iPhone XS launch minimum is not a current-system compatibility promise.19Maker product pagesupport.apple.com/en-us/149037Read 5 October 2026Stable watchOS 27 release dated September 14, 2026. Exact-model compatibility is separately established by the current maker watchOS page. Checked October 5, 2026.
Works with
Phone requirement
iPhone 8 or later with iOS 16 or later at launch. The launch release also names iPhone SE (2nd generation) or later.1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026Footnote 16: requires iPhone 8 or later with iOS 16 or later.
Launch: iPhone XS or later with iOS 17. Current watchOS 27 requires iPhone 11 or later, or iPhone SE (2nd generation or later), with iOS 27.1Maker product pagesupport.apple.com/en-us/111832Read 5 October 20268Maker product pageapple.com/os/watchosRead 5 October 2026
App store
Yes3Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026Original exact release explicitly compatible third-party Oceanic+ by Huish Outdoors through App Store.15Maker spec sheet (PDF)tdsynnex.com/na/us/apple/wp-content/uploads/sites/49/2023/09/Apple-Watch-Lineup-and-Customer-Scenarios.pdfRead 5 October 2026
Voice assistants
Not available
Chipset
Process
Not available
Not available
CPU cores
CPU configuration
Not available
Not available
Max CPU clock
Not available
Not available
GPU
Not available
Not available
Low-power coprocessor
Not available
Not available
Memory
1 of 2 differ
RAM
Not available
Not available
Health sensors
2 of 8 differ
Heart rate sensor
Third-generation optical heart sensor1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026
Third-generation optical heart sensor1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026
ECG capability
Blood oxygen sensing
Yes1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact blood-oxygen sensing/app capability. Current US software calculates and views eligible measurements on paired iPhone. Post-January 18, 2024 LW/A or LS/A hardware has additional software requirements, independently documented in current manual. No claim this is a medical diagnostic app.20Maker product pagesupport.apple.com/guide/watch/blood-oxygen-apdaf17aa5ef/watchosRead 5 October 2026Current maker guide qualifies affected US watches with part numbers ending LW/A or LS/A. Blood Oxygen measurements require the latest supported iOS and watchOS, with data analysis performed on the paired iPhone and results displayed in its Health app. This is a software and regional workflow qualification, not a different sensor claim.21Maker product pageapple.com/watchos/feature-availabilityRead 5 October 2026
Skin temperature sensing
Blood pressure feature
Not available
Hypertension notifications9Maker product pagesupport.apple.com/en-us/123002Read 5 October 2026watchOS 26 actual release notes explicitly eligible Series 9+ and Ultra 2+ for hypertension notifications. No numerical mmHg measurement or cuff capability. Intended age 22+, no prior hypertension diagnosis and not pregnant. Country/paired-phone limits apply.21Maker product pageapple.com/watchos/feature-availabilityRead 5 October 2026
Body composition sensor
Not available
Not available
Skin conductance (EDA)
Not available
Not available
Medical clearances
Not available
FDA 510(k) clearance for Sleep Apnea Notification Feature (US), FDA 510(k) K250507 for Hypertension Notification Feature (US)10Press releaseapple.com/newsroom/2024/09/watchos-11-is-available-todayRead 5 October 2026Actual September 16, 2024 maker release confirms FDA 510(k) sleep-apnea software clearance and exact eligible Series 9/10 and Ultra 2. US jurisdiction, not universal device certification.11Regulatory filingaccessdata.fda.gov/cdrh_docs/pdf25/K250507.pdfRead 5 October 2026FDA original K250507 Hypertension Notification Feature software cleared September 11, 2025 with administrative corrected letter September 12. Exact model eligibility separately proved by maker release notes. This is a notification algorithm, not numerical blood-pressure measurement.
Motion and environment sensors
1 of 9 differ
Accelerometer
Accelerometer range
Gyroscope
Barometric altimeter
Not available
Compass
Ambient light sensor
Depth gauge
Depth gauge range
Not available
Not available
Health and fitness
4 of 5 differ
Health features
Blood oxygen app, ECG app, Irregular rhythm notifications, Cycle tracking, Temperature-based ovulation1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026Blood Oxygen app and ECG app are listed. Footnote 5 adds irregular rhythm notification. ECG app availability and age limits apply. Cycle tracking and ovulation estimates are in the press release.3Press releaseapple.com/newsroom/2022/09/introducing-apple-watch-ultraRead 10 October 2026Temperature-sensing for retrospective ovulation estimates and improved period predictions in Cycle Tracking.
Blood oxygen app, ECG app, Cycle tracking, Temperature-based ovulation, Heart rate alerts, Irregular rhythm notifications, Noise monitoring, Sleep tracking, Sleep stages, Sleep apnea notifications, Hypertension notifications1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact current supported functions. Newer sleep apnea, Vitals, sleep score and hypertension notifications are separately software-qualified. Country, age and phone restrictions remain material. Maker-supported Medications, Mindfulness, Vitals and later Sleep Score have no exact enum option and are retained here only. No nearest health category is substituted.9Maker product pagesupport.apple.com/en-us/123002Read 5 October 2026Sleep score and hypertension notifications are later software. Not borrowed as original launch promises. Maker-supported Medications, Mindfulness, Vitals and later Sleep Score have no exact enum option and are retained here only. No nearest health category is substituted.10Press releaseapple.com/newsroom/2024/09/watchos-11-is-available-todayRead 5 October 2026Sleep apnea notifications for eligible adults 18+ without prior diagnosis. Vitals and training-load functions are current software additions. Ultra 2 did not launch with watchOS 11. Maker-supported Medications, Mindfulness, Vitals and later Sleep Score have no exact enum option and are retained here only. No nearest health category is substituted.20Maker product pagesupport.apple.com/guide/watch/blood-oxygen-apdaf17aa5ef/watchosRead 5 October 202621Maker product pageapple.com/watchos/feature-availabilityRead 5 October 2026Current maker availability lists independently checked for the represented US and Germany markets. ECG, Blood Oxygen, sleep apnea notifications and hypertension notifications depend on supported model, software, region and individual eligibility. The affected US Blood Oxygen workflow is qualified by the dedicated maker guide.
Fitness features
Running dynamics, Running power, Interval workouts, Trackback3Press releaseapple.com/newsroom/2022/09/introducing-apple-watch-ultraRead 10 October 2026watchOS 9 adds Stride Length, Ground Contact Time, Vertical Oscillation and Running Power, Custom Workouts with intervals, and Backtrack.
Training load, Running dynamics, Pool swim, Open water swim, Trackback1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact running, cycling, hiking and swimming features. Backtrack is a route trace, while current offline map storage is separately verified. Source also publishes Race Route, Pacer, workout views, heart-rate zones, Compass waypoints, cycling FTP/power zones/cadence and SWOLF. These names lack matching enum options and are not replaced with a different feature.10Press releaseapple.com/newsroom/2024/09/watchos-11-is-available-todayRead 5 October 2026Source also publishes Race Route, Pacer, workout views, heart-rate zones, Compass waypoints, cycling FTP/power zones/cadence and SWOLF. These names lack matching enum options and are not replaced with a different feature.22Maker product pagesupport.apple.com/guide/watch/go-for-a-swim-apd09135915f/watchosRead 5 October 2026Current exact maker Watch guide explicitly names Pool Swim and Open Water Swim workouts. This supports the stored swim workout modes without inferring additional diving features.
Sport profiles
Not available
Not available
External sensors
Not available
Safety
0 of 6 differ
Fall detection
Car crash detection
Emergency SOS
Emergency siren
Live location sharing
Not available
Not available
Dedicated LED flashlight
Not available
Not available
Positioning
1 of 3 differ
Positioning
L1 GPS, L5 GPS, GLONASS, Galileo, QZSS, BeiDou1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026L1 and L5 GPS, GLONASS, Galileo, QZSS and BeiDou.
L1 GPS, L5 GPS, GLONASS, Galileo, QZSS, BeiDou1Maker product pagesupport.apple.com/en-us/111832Read 5 October 20263Press releaseapple.com/newsroom/2023/09/apple-unveils-apple-watch-ultra-2Read 5 October 2026
Dual-band GNSS
Connectivity
3 of 15 differ
Bluetooth version
Wi-Fi standard
Wi-Fi bands
Not available
Cellular
Network
4G bands
Not available
Not available
5G bands
Not available
Not available
NFC
Contactless payments
Payment services
Ultra-wideband
Satellite
Not available
Not available
ANT+
Not available
Not available
Audio
0 of 4 differ
Speaker
Microphones
Calls on the watch
Cellular or phone1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026Cellular models make voice calls. Three microphones and dual speakers are listed.
Cellular or phone1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Family includes cellular and phone-linked calling. Cellular service requires supported carrier subscription. GPS-only rows require paired phone or eligible Wi-Fi calling.14Maker product pageapple.com/watch/cellularRead 5 October 2026Exact A2986 or A3001/A3003 model groups listed for US and Europe carriers. Voice calls independently of nearby iPhone need compatible activated service plan. GPS variants need phone or eligible Wi-Fi calling. No current carrier list is treated as fixed forever.
Music on the watch
Not available
Not available
Controls
3 of 5 differ
Buttons
Named operating buttons
Action button, Side button3Press releaseapple.com/newsroom/2022/09/introducing-apple-watch-ultraRead 10 October 2026Action button and side button.
Customizable Action button, Side button1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact maker names only.
Crown
Rotating bezel
Not available
Not available
Gestures
Not available
Double tap, Wrist flick7Owner's manualsupport.apple.com/guide/watch/apple-watch-models-apd2054d0d5b/watchosRead 5 October 2026Double tap supported. Wrist flick independently added with watchOS 26 on Series 9+ and Ultra 2+. Ultra 2 original double tap came with later watchOS 10.1, not launch firmware.9Maker product pagesupport.apple.com/en-us/123002Read 5 October 2026Wrist Flick supported on Series 9+ and Ultra 2+ with updated software.
Battery and charging
2 of 13 differ
Battery capacity
Not available
Not available
Claimed battery life
AApple Watch Ultra
| Mode | With solar | Hours (h) |
|---|---|---|
| Smartwatch | No | 36 |
| Low power | No | 60 |
Source1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026Up to 36 hours and up to 18 hours with LTE. Footnote 9: 180 time checks, 180 notifications, 90 minutes of app use and a 60-minute workout with music over 36 hours. Only the 36 hour figure is stored here.3Press releaseapple.com/newsroom/2022/09/introducing-apple-watch-ultraRead 10 October 2026Up to 36 hours of normal use. Low-power setting extends to up to 60 hours with Low Power Mode plus reduced GPS and heart rate readings, which came later in the fall of 2022.
BApple Watch Ultra 2
| Mode | With solar | Hours (h) |
|---|---|---|
| Smartwatch | No | 36 |
| Low power | No | 72 |
| Extended GPS workout | No | 17 |
Source1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Up-to 36 hours normal and 72 low power. Current 36-hour August 2024 preproduction test used 600 time checks, 180 notifications, 30 min apps and 60 min Bluetooth-music workout, including 8 h LTE and 28 h iPhone Bluetooth. Exact low-power workload is not separately published in this current footnote. Original maker 2023 lineup separately proves 17 h Outdoor Run in Low Power with full heart-rate/GPS readings, stored as Extended GPS workout with that condition. All recorded workloads use the internal battery without solar assistance. with_solar false qualifies those tests and is not an added solar-assisted runtime claim.15Maker spec sheet (PDF)tdsynnex.com/na/us/apple/wp-content/uploads/sites/49/2023/09/Apple-Watch-Lineup-and-Customer-Scenarios.pdfRead 5 October 2026Exact Ultra 2 table explicitly up to 17 h Outdoor Run workout in Low Power Mode with full heart-rate and GPS readings. Stored as Extended GPS workout and qualified, not ordinary full-power GPS or reduced-reading maximum battery mode. All recorded workloads use the internal battery without solar assistance. with_solar false qualifies those tests and is not an added solar-assisted runtime claim.
Smartwatch mode (claimed)
36h
36h
AOD battery life (up to)
Not available
Not available
GPS mode (claimed)
Not available
Not available
Solar charging
Not available
Not available
Charging method
Charging guidance
Not available
Not available
Max charging power (watch)
Not available
Not available
Fast charging
Quick charge claim
Not available
Not available
Charge 0 to 80% (claimed)
Not available
Full charge time (claimed)
Not available
Not available
Measured
1 of 4 differ
Battery life (measured)
Not available
Not available
Battery tests (measured)
Not available
Not available
Full charge time (measured)
Not available
Not available
Strap
2 of 6 differ
Lug width
Not available
Not available
Quick-release strap
Not available
Yes7Owner's manualsupport.apple.com/guide/watch/apple-watch-models-apd2054d0d5b/watchosRead 5 October 2026Named band-release control and manufacturer guide slide-in band system. No standard lug width inferred from decorative strap width.16Measurementnotebookcheck.net/Apple-Watch-Ultra-2-review-A-stunning-display.861637.0.htmlRead 5 October 2026Exact supplied Trail Loop review confirms tool-free band change. Decorative 25 mm strap width is not a standard lug width.
Strap system
Not available
Not available
Strap material
Not available
Not available
Strap
Not available
Not available
Strap sizes
AApple Watch Ultra
Not availableBApple Watch Ultra 2
| Size | Wrist (min) (mm) | Wrist (max) (mm) |
|---|---|---|
| Overall compatible case wrist range, varies by band | 130 | 210 |
Regulatory
None of 3 known
FCC ID
Not available
Not available
SAR limb (US)
Not available
Not available
SAR limb (EU)
Not available
Not available
Other certifications
Not available
Not available
In the box
1 of 2 differ
In the box
Apple Watch Ultra, Band/Loop, Apple Watch Magnetic Fast Charger to USB-C Cable (1m)1Maker product pagesupport.apple.com/en-us/111852Read 10 October 2026The case materials and the band types depend on the selection.
Apple Watch Ultra 2, Band, Apple Watch Magnetic Fast Charger to USB-C Cable (1 m)1Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Complete maker standard inventory: watch, Band and one-meter magnetic fast-charge USB-C cable. Strap type/material varies and is not guessed.6Maker product pagesupport.apple.com/de-de/111832Read 5 October 2026
Power adapter in box
Links
Not compared
Product page
support.apple.com/en-us/1118321Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Exact Watch Ultra 2 generation, checked against original launch and identification documents. Current US header says 2024 and includes Black finish. Original manufacturer launch and actual retail coverage independently establish the Natural model in 2023. The header discrepancy is not treated as a new hardware generation. No Ultra 3 or 4 specs are transferred.
Spec sheet
support.apple.com/en-us/1118321Maker product pagesupport.apple.com/en-us/111832Read 5 October 2026Complete exact-generation maker technical sheet.15Maker spec sheet (PDF)tdsynnex.com/na/us/apple/wp-content/uploads/sites/49/2023/09/Apple-Watch-Lineup-and-Customer-Scenarios.pdfRead 5 October 2026Original Apple-copyright September 2023 lineup/customer-scenarios sheet, hosted by distributor. Exact Ultra 2 column and Alpine Loop scenario kept separate from Series 9/SE.
Manual
Not available
support.apple.com/guide/watch/apple-watch-models-apd2054d0d5b/watchos7Owner's manualsupport.apple.com/guide/watch/apple-watch-models-apd2054d0d5b/watchosRead 5 October 2026Current original Apple Watch User Guide models chapter explicitly includes Series 10 and Ultra 2 with watchOS 27. It shows exact named controls/sensors. Older diagrams and chipset specs are not borrowed from Series 12.
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Manufacturer warranty (source market)
Not available
Both are also in the API. Back to all smartwatches.












