Google Pixel Watch 5 vs Samsung Galaxy Watch Ultra 2
Pixel Watch 5 is smaller, lighter and better suited to someone who wants Google’s health, safety and software experience. Galaxy Watch Ultra 2 is the stronger choice for battery life, durability and demanding outdoor use.
Full comparison
The full record
79 specifications across 6 areas, with 31 genuine differences.
1. Design & display Samsung Galaxy Watch Ultra 2
Fact
Google Pixel Watch 5
Samsung Galaxy Watch Ultra 2
Release date
2026-08-20
2026-07
Physical size
41 x 41 x 12.3 mm; 45 x 45 x 12.3 mm
47.4 x 47.1 x 10.7 mm
Weight
41 mm: 31 g; 45 mm: 36.7 g
61.5 g
Material
Housing: 100% recycled aluminum; Active Band: fluoroelastomer with soft-touch coating; Custom 3D Corning Gorilla Glass 5
Titanium case; sapphire crystal
Water resistance
5 ATM; IP68
10 ATM; IP69K; MIL-STD-810H; EN13319
Color options
Obsidian, Olive, Fog, Canyon
Titanium Gray, Titanium Silver
Display type
Actua 360 AMOLED LTPO, DCI-P3, always-on display
Super AMOLED, full-colour Always On Display
Display size
41 mm: 1.33 inch; 45 mm: 1.49 inch
1.5 inch (38.5 mm)
Display resolution
41 mm: 408 x 408; 45 mm: 456 x 456; 320 ppi
498 x 498 pixels
Display brightness
Up to 3,000 nits
Up to 5,000 nits
Display protection
Custom 3D Corning Gorilla Glass 5
Sapphire crystal
2. Battery & charging Samsung Galaxy Watch Ultra 2
Fact
Google Pixel Watch 5
Samsung Galaxy Watch Ultra 2
Battery
Rechargeable lithium-ion battery; 41 mm: 332 mAh; 45 mm: 465 mAh
Rechargeable battery; 800 mAh
Battery life
41 mm: up to 30 hours with always-on display, up to 48 hours in Battery Saver mode; 45 mm: up to 40 hours with always-on display, up to 72 hours in Battery Saver mode
Up to 80 hours with AOD off; up to 60 hours with AOD on
Charging
Google Pixel Watch Quick Charge Dock
Fast wireless charging
3. Sensors & positioning Even
Fact
Google Pixel Watch 5
Samsung Galaxy Watch Ultra 2
GNSS type
Built-in dual-band GNSS
Built-in dual-band GNSS
GPS
Yes; enhanced post-processed route accuracy for walking, running, hiking and cycling
Yes
GALILEO
Yes
Yes
GLONASS
Yes
Yes
QZSS
Yes
Yes
Beidou
Yes
Yes
Accelerometer
Yes
Yes
Gyroscope
Yes
Yes
Barometric altimeter
Yes
Yes
Compass
Yes
Yes
Geomagnetic
Yes
Yes
Ambient light sensor
Yes
Yes
Optical heart rate
Yes
Yes
Electrical heart rate
Yes
Yes
SpO2
Yes
Yes
Temperature
Yes
Yes
Galvanic skin response
Yes
Yes
Microphone
Yes
Yes
Speakers
Yes
Yes
Vibration motor
Yes
Yes
No significant differences in this area.
4. Health & activity Samsung Galaxy Watch Ultra 2
Fact
Google Pixel Watch 5
Samsung Galaxy Watch Ultra 2
Steps
Yes
Yes
Distance
Yes
Yes
Calories burned
Yes
Yes
Floors
Yes
Yes
Sports tracking
Yes; workout builder, weight and rep tracking, audio cues and rest timers
Yes
Sleep
Yes; claimed 15% more accurate sleep tracking; Smart Wake; overnight sleep breathing quality
Yes
Heart rate
Yes
Yes
HRV
Yes
Yes
Stress
Yes
Yes
Blood oxygen
Yes
Yes
Respiration rate
Yes
Yes
Skin temperature
Yes
Yes
ECG
Yes
Yes
Blood pressure
No; Blood Pressure Trends is an app-based report, not direct blood-pressure measurement
Yes (Samsung Health Monitor; availability varies by market, calibration required)
Body composition
No
Yes
Glucose
No; Insulin Resistance Trends is an app-based report, not direct glucose measurement
No
Hydration level
No
No
UV exposure
No
No
Calorie intake
No
No
Hyperglycemia risk assessment
No
No
Arterial stiffness detection
No
No
Pulse wave arrhythmia analysis
Yes
Yes
5. Smart features Google Pixel Watch 5
Fact
Google Pixel Watch 5
Samsung Galaxy Watch Ultra 2
Smartphone compatibility
Most Android 11+
Android with Google Mobile Services
Operating system at launch
Wear OS 7
Wear OS 7 Powered by Samsung; One UI 9 Watch
Processor
Qualcomm SW5100 platform; 4x Cortex-A53 at 1.7 GHz; Adreno 702 GPU
Qualcomm Snapdragon Wear Elite / SDW6100 (3 nm, penta-core)
RAM
3 GB
2 GB
Storage
64 GB eMMC flash
64 GB
Bluetooth
Yes (6.0)
Yes (6.0)
Wi-Fi
Yes (802.11 a/b/g/n/ac/ax, 2.4/5 GHz)
Yes (802.11 a/b/g/n, 2.4/5 GHz)
NFC / connected pay
Yes
Yes
UWB
Yes
No
Cellular
Optional
Yes (LTE/eSIM)
Smartphone notifications
Yes
Yes
Bluetooth calling
Yes
Yes
Smartphone music control
Yes
Yes
On-board music storage
Yes
Yes
Voice assistant
Gemini; Raise to Gemini supports offline questions and answers
Google Gemini / Bixby
6. Navigation & safety No clear edge
Fact
Google Pixel Watch 5
Samsung Galaxy Watch Ultra 2
Maps
Google Maps
Yes (Google Maps)
Offline maps
Yes (Google Maps)
Yes (Google Maps)
Navigation
Turn-by-turn Google Maps navigation
Yes (turn-by-turn navigation)
Emergency SOS
Yes (availability/connectivity varies)
Yes
Satellite SOS
LTE model only (supported regions)
No
Fall detection
Yes (availability varies)
Yes
LED flashlight
No
No
Diving
No
Yes (EN13319; depth and dive metrics to 40 m)