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Wearable comparison

Google Pixel Watch 3 vs Samsung Galaxy Watch 9 40mm

Compare battery life, health tracking, display and fit.

Compared products
01Selected
Google Pixel Watch 3

Google Pixel Watch 3

  • Qualcomm Snapdragon W5 Gen 1; Cortex-M33 coprocessor processor.
  • 2 GB RAM in this version.
  • 32 GB storage in this version.
  • Runs Wear OS 5.
  • Wi-Fi 6 support.
KSh 37,500In Stock
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02
Samsung Galaxy Watch 9 40mm

Samsung Galaxy Watch 9 40mm

  • 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 39,500In Stock
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OnePlus Watch 4KSh 38,500
Samsung Galaxy Watch 8 ClassicKSh 38,500
Google Pixel Watch 5 41mmKSh 42,000
WHOOP ONE 5.0 SensorKSh 37,000
Amazfit Balance 2KSh 39,000
Google Pixel Watch 4KSh 44,500
Huawei Watch GT Runner 2KSh 37,000
2 of 4 products

Our quick verdict

With the same 2 GB of RAM and IP68 rating, the Samsung Galaxy Watch 9 40mm is the stronger choice: it lasts longer per charge (30 hours) and has a larger 1.47-inch, brighter, sharper screen, while the Google Pixel Watch 3 only syncs with apps such as Strava.

Performance

Google Pixel Watch 3
Qualcomm Snapdragon W5 Gen 1; Cortex-M33 coprocessor processor
Samsung Galaxy Watch 9 40mm
Qualcomm Snapdragon Wear Elite, 3 nm processor

Software

Google Pixel Watch 3
Runs Wear OS 5
Samsung Galaxy Watch 9 40mm
Runs Wear OS 7; One UI 9 Watch

Battery life

Google Pixel Watch 3
Up to 24 hours per charge
Samsung Galaxy Watch 9 40mm
Up to 30 hours per charge

Portability

Google Pixel Watch 3
31 g
Samsung Galaxy Watch 9 40mm
31.5 g

Connections

Google Pixel Watch 3
Wi-Fi 6, Bluetooth 5.3
Samsung Galaxy Watch 9 40mm
Bluetooth 5.3

Key differences

The main differences to help you choose.

Google Pixel Watch 3

  • Syncs with third-party apps such as Strava and Apple Health.

Samsung Galaxy Watch 9 40mm

  • Rated for up to 30 hours per charge (vs 24).
  • Larger 1.47-inch screen (vs 1.2-inch).
  • Brighter display: up to 3,000 nits (vs 2,000).
  • Higher screen resolution: 480 × 480 (vs 408 × 408).
  • Newer model: released in 2026 (vs 2024).
  • Newer Wear OS 7 (vs Wear OS 5).

What matters most to you?

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

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6 priorities selected.
How each product answers the selected priorities
PriorityGoogle Pixel Watch 3Samsung Galaxy Watch 9 40mm
Battery lifeUp to 24 hours per chargeUp to 30 hours per charge
Storage32 GB storage32 GB storage
PerformanceQualcomm Snapdragon W5 Gen 1 processorQualcomm Snapdragon Wear Elite processor
SoftwareWear OS 5Wear OS 7
ConnectionsWi-Fi 6, Bluetooth 5.3Bluetooth 5.3
Display1.2-inch OLED display, 60 Hz, 320 ppi1.47-inch OLED display

Detailed comparison

Explore the full specifications, section by section.

Display

Display specifications comparison
SpecificationGoogle Pixel Watch 3Samsung Galaxy Watch 9 40mm
Display41 mm: 1.2-inch; 45 mm: 1.4-inch Actua LTPO AMOLED44 mm: 1.47-inch Super AMOLED; 40 mm: 1.34-inch Super AMOLED
Screen resolution41 mm: 408 × 408; 45 mm: 456 × 456 pixels; 320 ppi44 mm: 480 × 480 pixels; 40 mm: 438 × 438 pixels
Display protection3D Corning Gorilla Glass 5Sapphire crystal
Display featuresAlways-on display; 1–60 Hz; DCI-P3 colour3000 nits (peak)

Connectivity

Connectivity specifications comparison
SpecificationGoogle Pixel Watch 3Samsung Galaxy Watch 9 40mm
Network / cellularLTE and UMTS on cellular editionsGSM / HSPA / LTE
SIM / eSIMLTE edition: eSIMeSIM
Wi-FiWi-Fi 802.11a/b/g/n/ac/ax; 2.4 GHz + 5 GHzWi-Fi 2.4 GHz + 5 GHz
BluetoothBluetooth 5.3Bluetooth 5.3
NFCSupportedSupported
Positioning / GNSSGPS; Galileo; GLONASS; BeiDou; QZSSDual-frequency GPS, L1 + L5
Ultra Wideband (UWB)Supported—

Identity & design

Identity & design specifications comparison
SpecificationGoogle Pixel Watch 3Samsung Galaxy Watch 9 40mm
BrandGoogleSamsung
ModelGoogle Pixel Watch 3Samsung Galaxy Watch 9 (40 mm and 44 mm configurations)
Announced2024, August 132026, July 22
Dimensions41 mm or 45 mm diameter × 12.3 mm height44 mm: 46.0 × 43.7 × 8.6 mm; 40 mm: 42.7 × 40.4 × 8.6 mm
Weight41 mm: 31 g; 45 mm: 37 g, without band44 mm: 34.0 g; 40 mm: 31.5 g, without band
Build materialsAluminum caseAluminum case
Wrist size41 mm: small 130–175 mm, large 165–210 mm; 45 mm: small 150–185 mm, large 165–215 mm—
Strap / bandActive Band; fluoroelastomerLightweight breathable Sport Band with Dynamic Lug System
Controls / buttonsRotating haptic crown, side button, and touchscreenTouchscreen and two side buttons

Performance & software

Performance & software specifications comparison
SpecificationGoogle Pixel Watch 3Samsung Galaxy Watch 9 40mm
ProcessorQualcomm Snapdragon W5 Gen 1; Cortex-M33 coprocessorQualcomm Snapdragon Wear Elite, 3 nm
RAM2 GB SDRAM2 GB
Storage32 GB eMMC32 GB
Operating systemWear OS 5Wear OS 7; One UI 9 Watch
CPU—5-core

Audio & communication

Audio & communication specifications comparison
SpecificationGoogle Pixel Watch 3Samsung Galaxy Watch 9 40mm
SpeakerSupportedSupported
MicrophoneSupportedSupported
CallingBluetooth or LTE calling depending on model and carrierBluetooth calling with a connected smartphone; standalone calling on LTE editions

Sensors, health & fitness

Sensors, health & fitness specifications comparison
SpecificationGoogle Pixel Watch 3Samsung Galaxy Watch 9 40mm
SensorsCompass; altimeter; red and infrared SpO₂ sensors; electrical ECG sensors; multipath optical heart-rate sensor; accelerometer; gyroscope; ambient-light sensor; cEDA skin-conductance sensor; skin-temperature sensor; barometer; magnetometerSamsung BioActive: optical heart-rate, electrical heart signal, bioelectrical impedance analysis; temperature; accelerometer; barometer; gyroscope; geomagnetic; light sensor
Health & wellness featuresContinuous heart rate; ECG; SpO₂; skin temperature; stress tracking; cEDAHeart rate; SpO₂; ECG; body composition; temperature; stress; Vitals; Heart Health Score
Sleep trackingSleep stages; sleep score; overnight health metricsSleep-stage tracking; sleep-apnea risk detection; sleep Vitals
Sports / workout modesMore than 40 exercise modes with running insightsAutomatic and manual workout tracking across running, walking, cycling, swimming and other activities
Training & outdoor featuresCardio load, target load, readiness, running form and GPS route trackingDaily Cardio Load; Fitness Index; workout and recovery guidance
Safety & emergency featuresEmergency SOS; fall detection; safety checkFall detection and Emergency SOS

Battery & durability

Battery & durability specifications comparison
SpecificationGoogle Pixel Watch 3Samsung Galaxy Watch 9 40mm
Battery capacity41 mm: 307 mAh; 45 mm: 420 mAh44 mm: 445 mAh; 40 mm: 390 mAh
Battery lifeUp to 24 hours with always-on display; 36 hours Battery SaverUp to 30 hours with AOD on
ChargingUSB-C magnetic pin chargingFast wireless charging, WPC-based
Water resistance5 ATM; IP685 ATM; IP68
Durability / certificationsIP68-rated dust and water resistanceMIL-STD-810H

Compatibility

Compatibility specifications comparison
SpecificationGoogle Pixel Watch 3Samsung Galaxy Watch 9 40mm
Phone compatibilityAndroid 10 or later; Google accountAndroid 13.0 or later; more than 1.5 GB RAM; Google Mobile Services
Companion appGoogle Pixel Watch; FitbitGalaxy Wearable; Samsung Health
Colors41 mm: Obsidian, Porcelain, Hazel, Rose Quartz; 45 mm: Obsidian, Porcelain, Hazel44 mm: Graphite, Silver; 40 mm: Graphite, Cream

Additional specifications

Additional specifications specifications comparison
SpecificationGoogle Pixel Watch 3Samsung Galaxy Watch 9 40mm
Case material100% recycled aluminumAluminum
Pixels per inch320 ppi—
Peak brightness2,000 nits peak; 1 nit minimum3,000 nits peak
Charging time41 mm: 24/35/60 minutes to 50/80/100%; 45 mm: 28/50/80 minutes44 mm: 100% in 90 minutes, 45% in 30 minutes; 40 mm: 100% in 80 minutes, 50% in 30 minutes
Packing listWatch; small and large bands; charging dock or cable; quick start guide—
Third-party fitness appsGoogle Play apps; Google Maps; Google Wallet; Google Assistant—
Release statusAvailable. Released 2024, September 10Available. Released 2026, August 07
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 bandsLTE1, 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
Model numbers—SM-L340, SM-L350, SM-L345F, SM-L355F, SM-L345U, SM-L355U
SAR (US)—1.06 W/kg (body)
SAR (EU)—0.70 W/kg (body)
Additional durability features—Armor Aluminum 2

Similarities

  • Both have 2 GB RAM.
  • Both are rated IP68.
  • Both have NFC.
  • Both have an aluminium case.
  • Both take ECG readings.
  • Both are water resistant to 50 m.

In summary

For most buyers the Samsung Galaxy Watch 9 40mm is the better buy; the Google Pixel Watch 3 makes sense if you want syncing with apps such as Strava.

Back to compared products ↑

In-stock alternatives

WHOOP ONE 5.0 SensorFor Google Pixel Watch 3WHOOP ONE 5.0 SensorView product ↗Samsung Galaxy Watch 8 ClassicFor Google Pixel Watch 3Samsung Galaxy Watch 8 ClassicView product ↗Amazfit Balance 2For Samsung Galaxy Watch 9 40mmAmazfit Balance 2View product ↗OnePlus Watch 4For Samsung Galaxy Watch 9 40mmOnePlus Watch 4View product ↗

Related comparisons

Google Pixel Watch 3OnePlus Watch 4Google Pixel Watch 3Samsung Galaxy Watch 8 ClassicGoogle Pixel Watch 3Google Pixel Watch 5 41mmGoogle Pixel Watch 3WHOOP ONE 5.0 SensorGoogle Pixel Watch 3Amazfit Balance 2Google Pixel Watch 3Google Pixel Watch 4Google Pixel Watch 3Huawei Watch GT Runner 2Google Pixel Watch 3Apple Watch SE 3Google Pixel Watch 3Huawei Watch 6 46 mm
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