← Back to Smartwatches
2026 comparison
Updated Jan 27, 2026
|Sources: Amazon, Manufacturer

Google Pixel Watch 3 (45mm) vs Samsung Galaxy Watch 8 Classic

The Google Pixel Watch 3 (45mm) is the premium choice here, offering a stunning 2000 nits display that outshines its predecessors. However, you'll enjoy the Samsung Galaxy Watch 8 Classic's massive 3000 nits brightness, making it a standout feature in bright environments. In real-world usage, the Pixel's advanced running metrics make it a favorite for serious runners, while the Galaxy's robust battery life keeps it going for up to 49 hours on typical usage, ideal for those who hate daily charging. Key specs: Weight: 1.31 oz vs 2.24 oz and Storage: 32 GB vs 64 GB.

Why compare these? Both the Google Pixel Watch 3 (45mm) and Samsung Galaxy Watch 8 Classic are high-end smartwatches competing in the same market segment. This makes them direct rivals for buyers looking for high-end features and performance in 2026. Understanding their differences helps you choose the right one for your specific needs.

⚖️ Weight: 1.31 oz vs 2.24 oz💽 Storage: 32 GB vs 64 GB📱 Display: 1.4" (2000 nits) vs 1.34" (3000 nits)

As an Amazon Associate I earn from qualifying purchases.

Key Differences at a Glance

AspectGoogle PixelSamsung Galaxy
User Rating4.4★ (1,794 reviews)4.5★ (920 reviews)
Top StrengthSignificantly larger and brighter display (2000 nits) than predecessorsIconic physical rotating bezel for intuitive navigation
Main DrawbackBattery life rated for only 24h with AOD (daily charging required)Small 1.34" screen relative to the large 46mm case size (bezel takes up space)
Market PositionPremiumPremium
Google Pixel Watch 3 (45mm)

Google Pixel Watch 3 (45mm)

4.4
(1,794)Amazon
Compatibility

Android 10.0 or newer (requires Google Account and Pixel Watch app); Not compatible with iOS

Operating System

Wear OS 5.0

Case Size

45mm diameter x 12.3mm height

Case Material

100% recycled aluminum housing; Custom 3D Corning Gorilla Glass 5

See Today's Price
Samsung Galaxy Watch 8 Classic

Samsung Galaxy Watch 8 Classic

4.5
(920)Amazon
Compatibility

Android 12.0 or higher with 1.5GB+ RAM (Galaxy phone required for full feature set)

Operating System

Wear OS 6 (Powered by Samsung) with One UI 8 Watch

Case Size

46mm (46.4 x 46.0 x 10.6 mm)

Case Material

Stainless steel case; Sapphire Crystal glass (Front and Back)

See Today's Price
Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display4 specs
Display SizeKey
Google Pixel Watch 3 (45mm)
1.4 in (approx. 40% more screen area than Pixel Watch 2)
Samsung Galaxy Watch 8 Classic
1.34 in (34.0 mm)
Display Type
Google Pixel Watch 3 (45mm)
Actua Display (AMOLED LTPO); 1–60Hz responsive refresh rate; Peak brightness 2000 nits; Minimum 1 nit
Samsung Galaxy Watch 8 Classic
Super AMOLED Color Always-On Display
Resolution
Google Pixel Watch 3 (45mm)
456 x 456 pixels (320 ppi); DCI-P3 color
Samsung Galaxy Watch 8 Classic
438 x 438 pixels (327 ppi)
Always-On Display
Google Pixel Watch 3 (45mm)
Yes
Samsung Galaxy Watch 8 Classic
Yes (Up to 3,000 nits peak brightness)
Battery1 specs
Battery LifeKey
Google Pixel Watch 3 (45mm)
420 mAh (typical); Up to 24 hours (Always-on Display enabled); Up to 36 hours (Battery Saver mode)
Samsung Galaxy Watch 8 Classic
445 mAh; Up to 49 hours (typical usage); Fast wireless charging (WPC)
Health2 specs
Health FeaturesKey
Google Pixel Watch 3 (45mm)
Loss of Pulse Detection; Daily Readiness; Cardio Load; Target Load; Sleep Profile; ECG app; SpO2; High/low heart rate notifications; Irregular heart rhythm notifications; Skin temperature variations; Body Response (stress detection)
Samsung Galaxy Watch 8 Classic
Vascular Load monitoring; Antioxidant Index (AGEs); Sleep Apnea detection; ECG; Blood Pressure (market dependent); Body Composition (BIA); Cycle Tracking with skin temp
Workout Modes
Google Pixel Watch 3 (45mm)
Advanced Running Form (Cadence, Stride Length, Vertical Oscillation, Ground Contact Time); Custom Runs; Interval Training; 40+ exercise modes including HIIT, Pilates, Strength, Cross-country skiing, and more
Samsung Galaxy Watch 8 Classic
Advanced Running Coach; Multisport tile; Race partner; Heart Rate Zones; Auto-detection for workouts
Sensors2 specs
GPSKey
Google Pixel Watch 3 (45mm)
GPS, GLONASS, Galileo, BeiDou, QZSS
Samsung Galaxy Watch 8 Classic
Dual-band GPS (L1+L5); GLONASS, Galileo, BeiDou
Sensors
Google Pixel Watch 3 (45mm)
Compass; Altimeter; Red and infrared sensors for oxygen saturation (SpO2); Multipurpose electrical sensors (ECG); Multi-path optical heart rate sensor; 3-axis accelerometer; Gyroscope; Ambient light sensor; cEDA sensor (stress); Skin temperature sensor; Ultra-Wideband
Samsung Galaxy Watch 8 Classic
Samsung BioActive Sensor (Optical Bio-signal + Electrical Heart Signal + BIA); Temperature sensor; Accelerometer; Barometer; Gyro sensor; Geomagnetic sensor; Light sensor; 3D Hall sensor
Durability1 specs
Water Resistance
Google Pixel Watch 3 (45mm)
5 ATM (ISO 22810:2010); IP68 (Dust and water resistant)
Samsung Galaxy Watch 8 Classic
5 ATM + IP68 (Water resistant up to 50 meters)
Software2 specs
OS
Google Pixel Watch 3 (45mm)
Wear OS 5.0
Samsung Galaxy Watch 8 Classic
Wear OS 6 (Powered by Samsung) with One UI 8 Watch
Compatibility
Google Pixel Watch 3 (45mm)
Android 10.0 or newer (requires Google Account and Pixel Watch app); Not compatible with iOS
Samsung Galaxy Watch 8 Classic
Android 12.0 or higher with 1.5GB+ RAM (Galaxy phone required for full feature set)
Connectivity1 specs
Connectivity
Google Pixel Watch 3 (45mm)
4G LTE (optional); Wi-Fi 6 (802.11ax) 2.4GHz + 5GHz; Bluetooth 5.3; NFC; Ultra-Wideband (UWB)
Samsung Galaxy Watch 8 Classic
LTE (Optional); Bluetooth 5.3; Wi-Fi 802.11 a/b/g/n (2.4+5GHz); NFC
Performance1 specs
Storage
Google Pixel Watch 3 (45mm)
32GB eMMC flash
Samsung Galaxy Watch 8 Classic
64GB
Winner
Features1 specs
NFC Payments
Google Pixel Watch 3 (45mm)
Google Wallet
Samsung Galaxy Watch 8 Classic
Samsung Wallet; Google Pay
Design3 specs
Case Material
Google Pixel Watch 3 (45mm)
100% recycled aluminum housing; Custom 3D Corning Gorilla Glass 5
Samsung Galaxy Watch 8 Classic
Stainless steel case; Sapphire Crystal glass (Front and Back)
Case Size
Google Pixel Watch 3 (45mm)
45mm diameter x 12.3mm height
Samsung Galaxy Watch 8 Classic
46mm (46.4 x 46.0 x 10.6 mm)
Weight
Google Pixel Watch 3 (45mm)
37 g (without band)
Winner
Samsung Galaxy Watch 8 Classic
63.5 g (without strap)
+

Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: Google Pixel Watch 3 (45mm) vs Samsung Galaxy Watch 8 Classic

Google Pixel Watch 3 (45mm)

Google Pixel Watch 3 (45mm)

4.4(1,794)Amazon
Samsung Galaxy Watch 8 Classic

Samsung Galaxy Watch 8 Classic

4.5(920)Amazon
Google Pixel Watch 3 (45mm)

Google Pixel Watch 3 (45mm)

4.4(1,794)Amazon
Compatibility

Android 10.0 or newer (requires Google Account and Pixel Watch app); Not compatible with iOS

Operating System

Wear OS 5.0

Case Size

45mm diameter x 12.3mm height

Case Material

100% recycled aluminum housing; Custom 3D Corning Gorilla Glass 5

Display Type

Actua Display (AMOLED LTPO); 1–60Hz responsive refresh rate; Peak brightness 2000 nits; Minimum 1 nit

Display Size

1.4 in (approx. 40% more screen area than Pixel Watch 2)

Pros

  • Significantly larger and brighter display (2000 nits) than predecessors
  • Advanced running metrics (stride, oscillation) without external pods

Cons

  • Battery life rated for only 24h with AOD (daily charging required)
  • Strictly incompatible with iPhone (Android 10+ only)
Samsung Galaxy Watch 8 Classic

Samsung Galaxy Watch 8 Classic

4.5(920)Amazon
Compatibility

Android 12.0 or higher with 1.5GB+ RAM (Galaxy phone required for full feature set)

Operating System

Wear OS 6 (Powered by Samsung) with One UI 8 Watch

Case Size

46mm (46.4 x 46.0 x 10.6 mm)

Case Material

Stainless steel case; Sapphire Crystal glass (Front and Back)

Display Type

Super AMOLED Color Always-On Display

Display Size

1.34 in (34.0 mm)

Pros

  • Iconic physical rotating bezel for intuitive navigation
  • Display brightness doubled to 3,000 nits (matches Ultra model)

Cons

  • Small 1.34" screen relative to the large 46mm case size (bezel takes up space)
  • Significantly heavier (63.5g) than the aluminum standard models

Which one is better?

The Samsung Galaxy Watch 8 Classic is the better buy for most people - its 49-hour battery life crushes the Pixel's 24-hour limit. That said, grab the Google Pixel Watch 3 (45mm) if you need a larger display and advanced running metrics - it's worth it for those features.

Who should buy each?

Choose the Google Pixel Watch 3 (45mm) if: you want a vibrant 2000 nits display for outdoor use, need advanced running metrics, or are deeply integrated into the Google ecosystem.
Choose the Samsung Galaxy Watch 8 Classic if: you need up to 49 hours of battery life, prefer a physical rotating bezel for navigation, or want a more traditional watch design with a stainless steel build.

B

Quality Seekers

Higher user rating (4.5★ vs 4.4★) indicates better overall satisfaction

→ Choose Samsung Galaxy

A

Safe Choice Buyers

More widely tested with 1,794 reviews vs 920

→ Choose Google Pixel

A

Significantly larger and Priority

Significantly larger and brighter display (2000 nits) than predecessors

→ Choose Google Pixel

B

Iconic physical rotating Priority

Iconic physical rotating bezel for intuitive navigation

→ Choose Samsung Galaxy

Conclusion

Google Pixel Watch 3 (45mm) and Samsung Galaxy Watch 8 Classic are both solid choices. Match the strengths above to your budget and workflow to make the best call.

Bottom line: The Samsung Galaxy Watch 8 Classic leads with a 4.5★ rating versus 4.4★. That said, Google Pixel Watch 3 (45mm) could still be the right pick depending on your specific priorities.

Frequently Asked Questions

+Which is better: Google Pixel Watch 3 (45mm) or Samsung Galaxy Watch 8 Classic?

Google Pixel Watch 3 (45mm) is the better choice if you prioritize significantly larger and brighter display (2000 nits) than predecessors. Samsung Galaxy Watch 8 Classic wins if you value iconic physical rotating bezel for intuitive navigation. Both are rated highly (4.4★ vs 4.5★), so consider your specific needs and budget.

+What are the main differences between Google Pixel Watch 3 (45mm) and Samsung Galaxy Watch 8 Classic?

Key differences: Google Pixel Watch 3 (45mm) offers significantly larger and brighter display (2000 nits) than predecessors, while Samsung Galaxy Watch 8 Classic stands out with iconic physical rotating bezel for intuitive navigation. Consider that Google Pixel Watch 3 (45mm) battery life rated for only 24h with aod (daily charging required). Meanwhile, Samsung Galaxy Watch 8 Classic small 1.34" screen relative to the large 46mm case size (bezel takes up space). Check the detailed specs table above for a complete comparison.

+Where can US buyers get the best price?

For US buyers, Amazon typically offers competitive pricing with Prime shipping, easy returns, and reliable warranty support. We recommend comparing prices on both products using our affiliate links above—prices fluctuate regularly, and you may find sales or deals.

+Is this comparison up to date?

Yes, this comparison is current for 2026. We regularly verify specs, ratings, and availability. Last verified: January 27, 2026. PageBen uses affiliate links for monetization, but our recommendations are research-driven and independent.

Affiliate disclosure

PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.