Smartwatches / Compare
Samsung Galaxy Watch Ultra2 vs Samsung Galaxy Watch7
Product A: Samsung
106 of 150 known
Change Samsung Galaxy Watch Ultra2
Product B: Samsung
110 of 150 known
Change Samsung Galaxy Watch7
Compare the Samsung Galaxy Watch Ultra2 with
77 of 141 fields differ
- 46 different values
- 31 known for one only
- 40 the same
- 24 missing for both
Biggest differences
Each bar uses the scale of all 101 smartwatches.
- Peak brightnessA: 5,000nitsB: 2,000nitsGalaxy Watch Ultra2 is 3,000 nits higher.
- Battery lifeA: 80hB: 40hGalaxy Watch Ultra2 is 40 h higher.
- Water resistanceA: 10ATMB: 5ATMGalaxy Watch Ultra2 is 5 ATM higher.
- AOD battery life (up to)A: 60hB: 30hGalaxy Watch Ultra2 is 30 h higher.
Size, drawn to scale
Front and side.
- AGalaxy Watch Ultra2: 47.1 × 47.4 mm
- BGalaxy Watch7: 40.4 × 40.4 mm
Weight
0 to 80 g
Weight (case only)
A61.5g
B28.8g
All 150 fields
Every value links to where we found it.
General
9 of 10 differ
Series
Model numbers
Announced
Status
Not available
Predecessor
Samsung Galaxy Watch Ultra1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Samsung's launch release gives the Galaxy Watch Ultra2 a battery 35% larger than the previous Ultra model.12Reviewgsmarena.com/the_galaxy_watch_ultra2_is_slimmer_and_has_a_huge_battery_watch9_arrives_in_40mm_and_44mm_sizes-news-73831.phpRead 23 October 2026GSMArena says the Galaxy Watch Ultra2 is 12% slimmer than its predecessor, at 10.7 mm against 12.1 mm.
Successor
Not available
Launch price (US)
$299.991Press releasenews.samsung.com/us/samsung-galaxy-ring-watch7-watch-ultra-wearables-provide-intelligent-health-wellness-dataRead 8 October 2026Original US starting launch price is 299.99 USD for 40 mm Bluetooth. Original July 2024 SKU sheet independently confirms selected Green SM-L300NZGAXAA. Later December 2025 revised MSRP 249.99 is excluded.4Maker spec sheet (PDF)image-us.samsung.com/SamsungUS/samsungbusiness/solutions/industries/government/msrp-price-sheets/08142024/Samsung_Wearables_MSRP_Price_File_July_2024.pdfRead 8 October 2026Original July 2024 maker MSRP row for exact SM-L300NZGAXAA Green 40 mm Bluetooth, 299.99 USD.
Launch price (EU)
Markets
Not available
Colours
Segment
OS updates promised
Not available
Security updates until
Not available
Not available
Case
7 of 8 differ
Case size
Case shape
Case material
Case material (as published)
Titanium on front and back frame covers, with plastic and other frame materials2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Footnote after titanium durability claims. Grade 4 claim is only secondary, and does not describe the whole frame.
Back
Ceramic/sapphire crystal back9Reviewgsmarena.com/samsung_galaxy_watch_ultra2-review-2986p2.phpRead 30 September 2026Design and build: back panel is ceramic and sapphire.
Not available
Case dimensions
Height47.4Width47.1Thickness10.7mm(1.9 × 1.9 × 0.4 in)10Press releasenews.samsung.com/de/samsung-galaxy-watch-ultra2-und-die-galaxy-watch9-smarte-begleiter-am-handgelenkRead 30 September 2026Specification table dimension footnote: BioActive sensor protrusion excluded. Actual full thickness is greater.
Height40.4Width40.4Thickness9.7mm(1.6 × 1.6 × 0.4 in)1Press releasenews.samsung.com/us/samsung-galaxy-ring-watch7-watch-ultra-wearables-provide-intelligent-health-wellness-dataRead 8 October 202640 mm specification row. Footnote 50 excludes health-sensor protrusion. This is not a maximum depth including the sensor.
Weight (case only)
Weight with strap
Not available
Not available
Durability
7 of 8 differ
Water resistance
Water resistance standard
Dust and water rating
Dive rating
Not available
Max dive depth
Not available
MIL-STD-810
MIL-STD-810 tests
high/low temperature, altitude, humidity, immersion, salt fog, dust, vibration, drop1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Listed as 'high/low temperature, altitude, humidity, immersion, salt fog, dust, vibration, drop, etc.'
Temperature cycling: -20 C for 1 hour and 50 C for 1 hour, repeated for 6 hours1Press releasenews.samsung.com/us/samsung-galaxy-ring-watch7-watch-ultra-wearables-provide-intelligent-health-wellness-dataRead 8 October 2026Footnote 56 repeats -20 C (1 hour) and 50 C (1 hour), 6 hours total. Durability test, not normal operating temperature.
Operating temperature
Not available
Display
5 of 14 differ
Display type
Display type (as published)
Screen size
Resolution
Pixel density
Not available
Display area
Not available
Not available
Touchscreen
Max refresh rate
Not available
Min refresh rate
Not available
Not available
Peak brightness
Minimum brightness
Not available
Not available
Always-on display
Display cover
Display cover (as published)
Platform
9 of 15 differ
Platform
OS at launch
Software
Works with
Phone requirement
Android 13.0 or higher and with more than 1.5GB of memory1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026
Android 11 or later with more than 1.5 GB RAM and Google Play services. Current Samsung Health Monitor additionally requires a compatible Galaxy phone with Android 12 or later.1Press releasenews.samsung.com/us/samsung-galaxy-ring-watch7-watch-ultra-wearables-provide-intelligent-health-wellness-dataRead 8 October 2026Launch footnote 54: Android 11+, more than 1.5 GB memory, excluding Android Go and phones without Google Play. Current US Health Monitor requirements are Galaxy Android 12+.13Press releasesamsungmobilepress.com/articles/samsung-health-blood-pressure-monitoring-us-galaxy-watchRead 8 October 2026Current Galaxy Android 12+ Health Monitor requirements supplement generic Watch7 Android 11+ pairing baseline.
App store
Voice assistants
Bixby, Google Gemini10Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Page 120 Google apps lists Gemini, with model/carrier/region limits. Current Google guide independently supports Wear OS 4+, connected eligible Android phone with Gemini as assistant and Play Store install. Bixby in original US guide. Supported app capability, not guaranteed out-of-box/account availability.15Maker product pagesupport.google.com/gemini/answer/16401122Read 8 October 2026Wear OS 4+, connected Android phone, eligible language/region, Gemini as phone digital assistant. Install watch app from Play Store if needed. Gradual availability applies. Model OS 6 manual lists Gemini. No launch Gemini or every-account availability claim.
Chipset
Process
CPU cores
CPU configuration
ASamsung Galaxy Watch Ultra2
| Count | Max clock (GHz) |
|---|---|
| 1 | 2.1 |
| 4 | 1.95 |
BSamsung Galaxy Watch7
| Count | Core | Max clock (GHz) |
|---|---|---|
| 1 | Cortex-A78 | 1.6 |
| 4 | Cortex-A55 | 1.5 |
Source7Maker product pagesamsung.com/uk/business/watches/galaxy-watch/galaxy-watch7-40mm-green-bluetooth-sm-l300nzgaeuaRead 8 October 2026Exact SM-L300 CPU Speed 1.6 GHz and 1.5 GHz, Penta-Core. Exynos W1000 maker page metadata independently names one Cortex-A78 and four Cortex-A55. Actual device clocks confirmed before mapping cores.8Maker product pagesemiconductor.samsung.com/processor/wearable-processor/exynos-w1000Read 8 October 2026Page metadata explicitly names Cortex-A78 1.6 GHz Single-core and Cortex-A55 1.5 GHz Quad-core. Exact watch table independently confirms clocks/core count. Other chip capabilities not inferred.
Max CPU clock
2.1GHz
1.6GHz
GPU
Not available
Low-power coprocessor
Not available
Not available
Memory
1 of 2 differ
RAM
Health sensors
2 of 8 differ
Heart rate sensor
Samsung BioActive Sensor (Optical Bio-signal Sensor + Electrical Heart Signal + Bioelectrical Impedance Analysis)1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026
ECG capability
Blood oxygen sensing
Skin temperature sensing
Blood pressure feature
Body composition sensor
Skin conductance (EDA)
Not available
Not available
Medical clearances
FDA-cleared sleep apnea risk detection1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Sleep apnea feature is described as FDA-cleared, not FDA-approved. Availability is country-specific.
FDA De Novo authorization for Sleep Apnea feature, FDA clearance for ECG Monitor and Irregular Heart Rhythm Notification1Press releasenews.samsung.com/us/samsung-galaxy-ring-watch7-watch-ultra-wearables-provide-intelligent-health-wellness-dataRead 8 October 2026Exact Watch7 launch text identifies De Novo FDA-authorized Sleep Apnea feature. Applies to this software and its eligible host/watch conditions, not every health sensor or blood-pressure function.13Press releasesamsungmobilepress.com/articles/samsung-health-blood-pressure-monitoring-us-galaxy-watchRead 8 October 2026March 31 2026 US statement explicitly names FDA authorization for Sleep Apnea and FDA clearance for ECG readings and irregular heart rhythm notifications. BP uses cuff-calibrated wellness estimates. FDA language is not transferred to BP.
Motion and environment sensors
3 of 9 differ
Accelerometer
Accelerometer range
Not available
Not available
Gyroscope
Barometric altimeter
Compass
Ambient light sensor
Depth gauge
Not available
Depth gauge range
Not available
Water temperature sensor
Not available
Health and fitness
3 of 5 differ
Health features
ECG app, Heart rate variability, Sleep tracking, Sleep apnea notifications, Readiness score, Body composition, Noise monitoring1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Sleep apnea feature (FDA clearance), Vitals (HRV), noise alerts (Sound Monitoring). ECG app per GSMArena. Energy Score and BIA per the UK page2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Energy Score (readiness), sleep apnea risk detection, sleep tracking5Spec databasegsmarena.com/samsung_galaxy_watch_ultra2-14805.phpRead 30 September 2026ECG app: listed as 'ECG certified'
Continuous heart rate, Heart rate alerts, Blood oxygen app, Heart rate variability, Sleep tracking, Sleep stages, Stress tracking, Readiness score, Cycle tracking, Temperature-based ovulation, Body composition, ECG app, Irregular rhythm notifications, Sleep apnea notifications10Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Continuous HR is an optional setting, not default. Energy score is readiness-style advice. Cycle predictions use overnight skin temperature. Current US ECG/IHRN/sleep-apnea restrictions separately cited. Global BP permissions are not transferred. US overview explicitly supports sleeping HRV.11Maker product pagesamsung.com/us/watches/galaxy-watch7Read 8 October 2026Current US Sleep Coach passage names sleep stages and sleeping HRV. Energy score, BIA and temperature-based cycles/ovulation supported. Cycle predictions require age 18+ and are not intended for contraception. Hormonal birth control or treatment that inhibits ovulation makes this service unsuitable. Maker recommends overnight wear for at least 4 hours, 5 times a week. Regulated health eligibility is separately qualified.13Press releasesamsungmobilepress.com/articles/samsung-health-blood-pressure-monitoring-us-galaxy-watchRead 8 October 2026ECG/IHRN/sleep-apnea age 22+ and current Galaxy phone/app/software restrictions explicit. IHRN is opportunistic. Country/region purchase/service restrictions apply.
Fitness features
VO2 max, Training load, Recovery advice, Route navigation, Turn-by-turn navigation, Trackback1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Daily Cardio Load and recovery guidance, Fitness Index uses VO2 Max. Routes, turn by turn and Track Back per the UK page2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026
Automatic workout detection, Pool swim, Open water swim, Strength rep counting, Interval workouts10Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Pages 53-64: auto detection, Pool swim, Open water swim, repetition counts and interval routines. Track back on page 62 is Ultra-only and excluded. Over 100 workouts is not an exact count. No unproved VO2 max/training-load/running-power feature transferred.
Sport profiles
Not available
Not available
Dive modes
Not available
Not available
External sensors
Power meter, Speed and cadence2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Power meters, speed sensors and cadence sensors. Smart trainers not supported
Not available
Safety
2 of 6 differ
Fall detection
Car crash detection
Not available
Not available
Emergency SOS
Emergency siren
Not available
Live location sharing
Not available
Dedicated LED flashlight
Not available
Not available
Positioning
1 of 3 differ
Positioning
GPS (L1+L5), Glonass, Beidou, Galileo, QZSS2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026
Dual-band GNSS
Offline maps
Not available
Not available
Connectivity
6 of 15 differ
Bluetooth
Not available
Bluetooth version
Wi-Fi
Not available
Wi-Fi standard
Wi-Fi bands
Cellular
Network
Not available
4G bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 66, 71, 34, 38, 39, 40, 412Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Specifications > Network/Bearer: SM-L715F FDD and TDD LTE bands, not SM-L715U.
Not available
5G bands
Not available
Not available
NFC
Contactless payments
Payment services
Ultra-wideband
Not available
Not available
Satellite
Not available
Not available
ANT+
Not available
Not available
Audio
2 of 4 differ
Speaker
Calls on the watch
Music on the watch
Controls
3 of 5 differ
Buttons
Named operating buttons
Home button, Back button, Quick button8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Device layout and buttons, pages 7-12. Strap-release controls excluded.
Home button, Back button9Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026
Crown
Rotating bezel
Gestures
Not available
Battery and charging
8 of 13 differ
Battery capacity
Claimed battery life
ASamsung Galaxy Watch Ultra2
| Mode | With solar | Hours (h) |
|---|---|---|
| Smartwatch | No | 80 |
| Always-on | No | 60 |
| GPS | No | 20 |
BSamsung Galaxy Watch7
| Mode | With solar | Hours (h) |
|---|---|---|
| Smartwatch | No | 40 |
| Always-on | No | 30 |
Smartwatch mode (claimed)
80h
40h
AOD battery life (up to)
60h
30h
GPS mode (claimed)
20h
Not available
Solar charging
Not available
Not available
Charging method
Charging guidance
Not available
Use the supplied Samsung wireless charging cable with a compatible Samsung USB power adapter. The wall adapter is sold separately. Adapter guidance does not establish power accepted by the watch.9Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Page 8: wall charging head not included. Samsung chargers rated 5 V with output current over 150 mA recommended. No adapter rating stored as watch maximum power.
Max charging power (watch)
Not available
Fast charging
Yes1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 20262Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026Up to 40 % in around 30 mins with the dedicated wireless charger (EP-OL715) and a 5V/2A PD adapter
Quick charge claim
Not available
Not available
Charge 0 to 80% (claimed)
Not available
Not available
Full charge time (claimed)
Not available
Measured
2 of 4 differ
Peak brightness (measured)
Not available
Not available
Battery life (measured)
24h20Reviewtomsguide.com/wellness/smartwatches/samsung-galaxy-watch-7-reviewRead 8 October 2026Dan Bracaglia tested 40 mm and observed roughly 24 h with default power settings, AOD on and limited-health-features off, paired Galaxy S24. Original underside photo engraves SM-L300 and 40mm, proving Bluetooth hardware. Green Sport S/M visible. Firmware, workout duration/GPS mode unstated. Observed duration, not percentage projection.21Reviewcdn.mos.cms.futurecdn.net/WQwMkh9DQr7jWMWXoanBnD.jpgRead 8 October 2026Original same-review underside photo credited Dan Bracaglia. Engraved SM-L300 and 40mm visually read. This identifies Bluetooth test hardware. Green Sport S/M strap matches reference.
Battery tests (measured)
ASamsung Galaxy Watch Ultra2
| Test | Hours (h) |
|---|---|
| Mixed use, always-on display off | 96 |
BSamsung Galaxy Watch7
| Test | Hours (h) |
|---|---|
| Mixed use, always-on | 24 |
| Other | 40 |
Source20Reviewtomsguide.com/wellness/smartwatches/samsung-galaxy-watch-7-reviewRead 8 October 2026Same exact SM-L300 40 mm test: ~24 h AOD normal use and 40 h power-save. Power-save disables AOD/Wi-Fi/wake gesture and other functions, so 40 h is Other, not normal AOD-off endurance. No 44 mm/LTE transfer. About two-hour full charge lacks stated empty-start endpoint, so measured charging time omitted.21Reviewcdn.mos.cms.futurecdn.net/WQwMkh9DQr7jWMWXoanBnD.jpgRead 8 October 2026Physical test identity proof. Duration/settings come from exact review battery section.
Full charge time (measured)
Not available
Not available
Strap
4 of 6 differ
Lug width
Not available
20mm17Maker product pagesamsung.com/de/support/mobile-devices/armband-deiner-galaxy-watch-wechselnRead 8 October 2026Maker Watch7/older quick-release compatibility guidance states 20 mm interface. This is lug attachment, not decorative 22.5 mm overall Sport Band width. Model manual shows spring-bar attachment.23Maker product pagesamsung.com/ae/support/mobile-devices/what-are-the-size-material-and-color-options-for-galaxy-watch7-and-galaxy-watch-ultraRead 8 October 2026Exact Watch7 Small 40mm row: Band 20mm S/M (Sport Band, HNBR, One Click), Green band. Nominal supplied-band attachment matches selected US Green Sport S/M package. Region-specific availability and prices excluded.
Quick-release strap
Strap system
Galaxy Watch Ultra dynamic lug system (custom, not standard pins)6Measurementgsmarena.com/samsung_galaxy_watch_ultra2-review-2986p3.phpRead 30 September 2026
20 mm quick-release spring-bar straps with Samsung one-click band release17Maker product pagesamsung.com/de/support/mobile-devices/armband-deiner-galaxy-watch-wechselnRead 8 October 2026Maker distinguishes Watch7 quick-release/spring bars from Watch8/Ultra Dynamic Lug. Selected band uses one-click release.
Strap material
Hydrogenated nitrile butadiene rubber (HNBR)10Press releasenews.samsung.com/de/samsung-galaxy-watch-ultra2-und-die-galaxy-watch9-smarte-begleiter-am-handgelenkRead 30 September 2026Band collections > Marine Band: premium elastomer (HNBR). This is the actual current Marine Band, distinct from the older silicone band described in the review.
Hydrogenated nitrile butadiene rubber (HNBR)16Maker product pagenews.samsung.com/in/user-guide-discover-the-best-fit-with-galaxy-watch-ultra-and-galaxy-watch7-bandsRead 8 October 2026Sport Band section explicitly names HNBR, ripple design and orange/light-blue stitching, with Green among colors. Exact selected US package names Green Sport S/M and matches photographed strap. No generic silicone assumption.23Maker product pagesamsung.com/ae/support/mobile-devices/what-are-the-size-material-and-color-options-for-galaxy-watch7-and-galaxy-watch-ultraRead 8 October 2026Exact Small 40mm Green Sport S/M row explicitly says HNBR. No decorative width or aftermarket strap material substituted.
Strap
Marine Band1Press releasenews.samsung.com/global/samsung-galaxy-watch-ultra2-and-watch9-your-health-companion-on-the-wristRead 30 September 2026Marine Band is the band shown with the watch on Samsung UK. PeakForm and Trail bands are other options2Maker product pagesamsung.com/uk/watches/galaxy-watch/galaxy-watch-ultra2-titanium-silver-lte-sm-l715fzsaeubRead 30 September 2026
Strap sizes
ASamsung Galaxy Watch Ultra2
Not availableBSamsung Galaxy Watch7
| Size | Wrist (min) (mm) | Wrist (max) (mm) |
|---|---|---|
| Small/Medium | 130 | 190 |
Regulatory
1 of 3 differ
SAR limb (US)
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
Galaxy Watch Ultra2, Marine Band, Wireless charging pad8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026Getting started > Device layout/package components and charging instructions. Supplied band depends on purchased package.
Galaxy Watch7 (40 mm Green Bluetooth), Green Sport Band (Small/Medium), Wireless charging cable18Maker product pagesamsung.com/us/support/troubleshoot/TSG10003540Read 8 October 2026Model-specific US complete box article: watch, band and wireless charger. Selected band identity from exact purchase page. Promotional extras excluded.
Power adapter in box
Links
Not compared
Product page
Spec sheet
Manual
org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx8Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 30 September 2026EU English user guide covers SM-L34X, SM-L35X and SM-L71X.
org.downloadcenter.samsung.com/downloadfile/ContentsFile.aspx9Owner's manualorg.downloadcenter.samsung.com/downloadfile/ContentsFile.aspxRead 8 October 2026Original English North America guide Version 1.0, linked from exact SM-L300NZGAXAA support Manual and Software modal. LTE/Ultra-only hardware instructions excluded.
EPREL registration number
Not available
Not available
Warranty
1 of 1 differ
Both are also in the API. Back to all smartwatches.