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Watch comparison

Samsung Galaxy Ultra vs Samsung Galaxy 9 44mm

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Samsung Galaxy Watch Ultra

Samsung Galaxy Watch Ultra

  • Screen: 480 × 480 pixels.
  • Exynos W1000, 3 nm processor.
  • 2 GB RAM in this version.
  • 32 GB storage in this version.
  • Runs Wear OS 5; One UI 6 Watch.
KSh 45,000In Stock
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02
Samsung Galaxy Watch 9 44mm

Samsung Galaxy Watch 9 44mm

  • Screen: 44 mm: 480 × 480 pixels; 40 mm: 438 × 438 pixels.
  • Qualcomm Snapdragon Wear Elite, 3 nm processor.
  • 2 GB RAM in this version.
  • 32 GB storage in this version.
  • Runs Wear OS 7; One UI 9 Watch.
KSh 42,000In Stock
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2 spaces available

Huawei Watch GT 7 ProKSh 41,500
WHOOP Peak 5.0 SensorKSh 38,000
Samsung Galaxy Watch 9 40mmKSh 39,500
Samsung Galaxy Watch 8 ClassicKSh 38,500
Google Pixel Watch 5 41mmKSh 42,000
Amazfit Balance 3KSh 48,000
Google Pixel Watch 4KSh 44,500
2 of 4 products

Our quick verdict

With the same 2 GB of RAM and IP68 rating, the Samsung Galaxy Watch Ultra lasts longer per charge (80 hours), has a premium titanium build and is swimproof to 100 m, while the Samsung Galaxy Watch 9 44mm is lighter to wear all day.

Display

Samsung Galaxy Watch Ultra
480 × 480 pixels
Samsung Galaxy Watch 9 44mm
44 mm: 480 × 480 pixels; 40 mm: 438 × 438 pixels

Performance

Samsung Galaxy Watch Ultra
Exynos W1000, 3 nm processor
Samsung Galaxy Watch 9 44mm
Qualcomm Snapdragon Wear Elite, 3 nm processor

Software

Samsung Galaxy Watch Ultra
Runs Wear OS 5; One UI 6 Watch
Samsung Galaxy Watch 9 44mm
Runs Wear OS 7; One UI 9 Watch

Battery life

Samsung Galaxy Watch Ultra
Up to 80 hours per charge
Samsung Galaxy Watch 9 44mm
Up to 30 hours per charge

Portability

Samsung Galaxy Watch Ultra
60.5 g
Samsung Galaxy Watch 9 44mm
34 g

Key differences

The main differences to help you choose.

Samsung Galaxy Watch Ultra

  • Rated for up to 80 hours per charge (vs 30).
  • Titanium case (vs aluminium case).
  • Swimproof: water resistant to 100 m (vs 50 m).
  • Blood-pressure (hypertension) notifications.

Samsung Galaxy Watch 9 44mm

  • Lighter: 34 g (vs 60.5 g).
  • Slimmer: 8.6 mm thick (vs 12.1 mm).
  • Lower price: KSh 42,000 (vs KSh 45,000).
  • Newer model: released in 2026 (vs 2024).
  • Newer Wear OS 7 (vs Wear OS 5).

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
PrioritySamsung Galaxy Watch UltraSamsung Galaxy Watch 9 44mm
Battery lifeUp to 80 hours per chargeUp to 30 hours per charge
Storage32 GB storage32 GB storage
Display1.5-inch OLED display1.47-inch OLED display
PerformanceExynos W1000 processorQualcomm Snapdragon Wear Elite processor
SoftwareWear OS 5Wear OS 7
Battery capacity590 mAh battery44 mm: 445 mAh

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 44mm
Display1.5-inch Super AMOLED44 mm: 1.47-inch Super AMOLED; 40 mm: 1.34-inch Super AMOLED
Screen resolution480 × 480 pixels44 mm: 480 × 480 pixels; 40 mm: 438 × 438 pixels
Display protectionSapphire crystalSapphire crystal
Display featuresFull-colour always-on display3000 nits (peak)

Connectivity

Connectivity specifications comparison
SpecificationSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 44mm
Network / cellularGSM / HSPA / LTEGSM / HSPA / LTE
SIM / eSIMeSIMeSIM
Wi-FiWi-Fi 2.4 GHz + 5 GHzWi-Fi 2.4 GHz + 5 GHz
BluetoothBluetooth 5.3Bluetooth 5.3
NFCSupportedSupported
Positioning / GNSSDual-frequency GPS, L1 + L5; GLONASS; BeiDou; GalileoDual-frequency GPS, L1 + L5

Identity & design

Identity & design specifications comparison
SpecificationSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 44mm
BrandSamsungSamsung
ModelSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 (40 mm and 44 mm configurations)
Announced2024, July 102026, July 22
Dimensions47.1 × 47.4 × 12.1 mm44 mm: 46.0 × 43.7 × 8.6 mm; 40 mm: 42.7 × 40.4 × 8.6 mm
Weight60.5 g without band44 mm: 34.0 g; 40 mm: 31.5 g, without band
Build materialsTitanium caseAluminum case
Controls / buttonsTouchscreen; Quick button; Home and Back buttonsTouchscreen and two side buttons
Strap / band—Lightweight breathable Sport Band with Dynamic Lug System

Performance & software

Performance & software specifications comparison
SpecificationSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 44mm
ProcessorExynos W1000, 3 nmQualcomm Snapdragon Wear Elite, 3 nm
CPU5-core5-core
GPUMali-G68—
RAM2 GB2 GB
Storage32 GB32 GB
Operating systemWear OS 5; One UI 6 WatchWear OS 7; One UI 9 Watch

Audio & communication

Audio & communication specifications comparison
SpecificationSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 44mm
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth calling with a connected smartphone; standalone calling on LTE editionsBluetooth calling with a connected smartphone; standalone calling on LTE editions

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 44mm
SensorsSamsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensorSamsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensor
Health & wellness featuresHeart-rate monitoring, ECG, blood pressure, body composition, blood oxygen, skin temperature and Energy Score; availability varies by market and paired phoneHeart rate; SpO₂; ECG; body composition; temperature; stress; Vitals; Heart Health Score
Sleep trackingSleep tracking, sleep coaching and sleep-apnoea features where availableSleep-stage tracking; sleep-apnea risk detection; sleep Vitals
Sports / workout modesMultiple workout modes including multisport and automatic workout detectionAutomatic and manual workout tracking across running, walking, cycling, swimming and other activities
Training & outdoor featuresDual-frequency GPS; GPX routes; Track Back; personalised heart-rate zones; Functional Threshold PowerDaily Cardio Load; Fitness Index; workout and recovery guidance
Safety & emergency featuresFall detection, SOS and siren features when configuredFall detection and Emergency SOS

Battery & durability

Battery & durability specifications comparison
SpecificationSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 44mm
Battery capacity590 mAh44 mm: 445 mAh; 40 mm: 390 mAh
Battery lifeUp to 80 hours with Always-On Display off; up to 60 hours with Always-On Display on; up to 100 hours in Power Saving ModeUp to 30 hours with AOD on
ChargingFast wireless charging, WPC-basedFast wireless charging, WPC-based
Water resistance10 ATM; IP685 ATM; IP68
Durability / certificationsMIL-STD-810HMIL-STD-810H

Compatibility

Compatibility specifications comparison
SpecificationSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 44mm
Phone compatibilityAndroid 11.0 or later; more than 1.5 GB RAMAndroid 13.0 or later; more than 1.5 GB RAM; Google Mobile Services
Companion appGalaxy Wearable; Samsung HealthGalaxy Wearable; Samsung Health
ColorsTitanium Silver; Titanium Gray; Titanium White44 mm: Graphite, Silver; 40 mm: Graphite, Cream

Additional specifications

Additional specifications specifications comparison
SpecificationSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 44mm
Case materialTitaniumAluminum
Release statusAvailable. Released 2024, July 24Available. Released 2026, August 07
Model numbersSM-L705F, SM-L705N, SM-L705USM-L340, SM-L350, SM-L345F, SM-L355F, SM-L345U, SM-L355U
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 / 2100HSDPA 850 / 900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 40, 66, 711, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71
Network speedHSPA, LTEHSPA, LTE
SAR (EU)0.11 W/kg (head) 0.36 W/kg (body)0.70 W/kg (body)
Peak brightness—3,000 nits peak
Charging time—44 mm: 100% in 90 minutes, 45% in 30 minutes; 40 mm: 100% in 80 minutes, 50% in 30 minutes
SAR (US)—1.06 W/kg (body)
Additional durability features—Armor Aluminum 2

Similarities

  • Both have 2 GB RAM.
  • Both are rated IP68.
  • Both have NFC.
  • Both take ECG readings.
  • Both take calls over Bluetooth.
  • Both have OLED displays.

In summary

For most buyers the Samsung Galaxy Watch Ultra is the better buy; the Samsung Galaxy Watch 9 44mm makes sense if you want a lighter watch for all-day wear.

Back to compared products ↑

In-stock alternatives

Google Pixel Watch 4For Samsung Galaxy Watch UltraGoogle Pixel Watch 4View product ↗Samsung Galaxy Watch Ultra 2025For Samsung Galaxy Watch UltraSamsung Galaxy Watch Ultra 2025View product ↗Huawei Watch GT 7 ProFor Samsung Galaxy Watch 9 44mmHuawei Watch GT 7 ProView product ↗Samsung Galaxy Watch 9 40mmFor Samsung Galaxy Watch 9 44mmSamsung Galaxy Watch 9 40mmView product ↗

Related comparisons

Samsung Galaxy Watch UltraHuawei Watch GT 7 ProSamsung Galaxy Watch UltraWHOOP Peak 5.0 SensorSamsung Galaxy Watch UltraSamsung Galaxy Watch 9 40mmSamsung Galaxy Watch UltraSamsung Galaxy Watch 8 ClassicSamsung Galaxy Watch UltraGoogle Pixel Watch 5 41mmSamsung Galaxy Watch UltraAmazfit Balance 3Samsung Galaxy Watch UltraGoogle Pixel Watch 4Samsung Galaxy Watch UltraSamsung Galaxy Watch Ultra 2025AmazFit T-Rex UltraSamsung Galaxy Watch Ultra
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