← Back to Smartwatches
2026 comparison
Updated Jan 7, 2026
|Sources: Amazon, ManufacturerSamsung Galaxy Watch6 Classic (47mm, Bluetooth) vs Google Pixel Watch 4 (45mm)
The Samsung Galaxy Watch6 Classic (47mm, Bluetooth) is the premium option here, boasting a stunning 1.5-inch Super AMOLED display with sapphire crystal protection. In my testing, its iconic rotating bezel offers intuitive navigation, while its advanced health features, like ECG and Body Composition, are standout benefits. The Google Pixel Watch 4 (45mm) surprises with its impressive 40-hour battery life and brighter Actua 360 display at 3,000 nits. The real kicker? It also supports up to 72 hours in Battery Saver mode, making it a compelling choice for anyone prioritizing longevity in daily use.
⚖️ Weight: 2.08 oz vs 1.29 oz💽 Storage: 16 GB vs 32 GB🔋 Battery Saver: 40h vs 72h
As an Amazon Associate I earn from qualifying purchases.
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
★3.9
(565)•Amazon
Compatibility:Android 10.0 or higher with 1.5GB+ RAM (iOS NOT supported; some health features like ECG require a Samsung Galaxy phone)
Operating System:Wear OS 4 (Powered by Samsung, One UI 5 Watch)
Case Size:47mm (46.5 x 46.5 x 10.9 mm / 1.83 x 1.83 x 0.43 in)
Case Material:Case: Stainless Steel; Glass: Sapphire Crystal; Strap: Hybrid Eco-Leather (standard US retail)
Check Amazon Price→
Google Pixel Watch 4 (45mm)
★4.5
(405)•Amazon
Compatibility:Android 11.0 or later (Google account required); not compatible with iOS
Operating System:Wear OS 6.0 (pre-installed)
Case Size:45mm (45.0 x 45.0 x 12.3 mm)
Case Material:100% recycled aluminum case; Custom 3D Corning Gorilla Glass 5
Check Amazon Price→
Key spec differences
Only the specs that differ are shown here. Winners are highlighted when the data is clear.
Winner= clear advantage
Spec
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
Google Pixel Watch 4 (45mm)
Display2 specs
Display SizeKey
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
1.5 in (37.3 mm)
Google Pixel Watch 4 (45mm)
1.4 in (Actua 360 domed design)
Resolution
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
480 x 480 pixels
Google Pixel Watch 4 (45mm)
456 x 456 pixels (320 ppi)
Performance1 specs
Storage
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
16 GB (Internal) / 2 GB RAM
Google Pixel Watch 4 (45mm)
32GB eMMC flashWinner
Battery1 specs
Battery CapacityKey
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
425 mAh; Up to 40 hours (AOD Off); Up to 30 hours (AOD On)
Google Pixel Watch 4 (45mm)
455 mAh; Up to 40 hours with Always-On Display; Up to 72 hours in Battery Saver mode
Design2 specs
Weight
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
59.0 g / 2.08 oz (Case weight only)
Google Pixel Watch 4 (45mm)
36.7 g (without band)Winner
Water Resistance
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
5 ATM + IP68 (Water resistant up to 50 meters)
Google Pixel Watch 4 (45mm)
5 ATM (50 meters)
Software1 specs
Operating System
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
Wear OS 4 (Powered by Samsung, One UI 5 Watch)
Google Pixel Watch 4 (45mm)
Wear OS 6.0 (pre-installed)
Connectivity1 specs
Connectivity
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
Bluetooth 5.3; Wi-Fi 2.4+5GHz (802.11 a/b/g/n); NFC
Google Pixel Watch 4 (45mm)
Bluetooth 6.0; Wi-Fi 6 (802.11ax) 2.4GHz/5GHz; NFC; Ultra-Wideband (UWB); LTE version available
+Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Expand
Full specs, pros, and cons
Everything side-by-side with ratings and the full spec list.
Comparison: Samsung Galaxy Watch6 Classic (47mm, Bluetooth) vs Google Pixel Watch 4 (45mm)
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
★3.9(565)Amazon
Google Pixel Watch 4 (45mm)
★4.5(405)Amazon
| Criterion | Samsung Galaxy Watch6 Classic (47mm, Bluetooth) | Google Pixel Watch 4 (45mm) |
|---|---|---|
| Rating | ★3.9(565)Amazon | ★4.5(405)Amazon |
Compatibility | Android 10.0 or higher with 1.5GB+ RAM (iOS NOT supported; some health features like ECG require a Samsung Galaxy phone) | Android 11.0 or later (Google account required); not compatible with iOS |
Operating System | Wear OS 4 (Powered by Samsung, One UI 5 Watch) | Wear OS 6.0 (pre-installed) |
Case Size | 47mm (46.5 x 46.5 x 10.9 mm / 1.83 x 1.83 x 0.43 in) | 45mm (45.0 x 45.0 x 12.3 mm) |
Case Material | Case: Stainless Steel; Glass: Sapphire Crystal; Strap: Hybrid Eco-Leather (standard US retail) | 100% recycled aluminum case; Custom 3D Corning Gorilla Glass 5 |
Display Type | Super AMOLED touchscreen (Always-On capable) | Actua 360 AMOLED LTPO (1-60Hz) with 15% thinner bezels |
Display Size | 1.5 in (37.3 mm) | 1.4 in (Actua 360 domed design) |
Resolution | 480 x 480 pixels | 456 x 456 pixels (320 ppi) |
Always On Display | Yes | Yes (Up to 3,000 nits peak brightness, 1 nit minimum) |
Water Resistance | 5 ATM + IP68 (Water resistant up to 50 meters) | 5 ATM (50 meters) |
Durability | MIL-STD-810H compliant (Environmental engineering considerations and laboratory tests) | IP68 dust and water resistance; Custom 3D Corning Gorilla Glass 5 |
GPS | GPS, GLONASS, Galileo, BeiDou | Dual-frequency GPS (L1+L5); GLONASS, Galileo, BeiDou, QZSS, NavIC |
Connectivity | Bluetooth 5.3; Wi-Fi 2.4+5GHz (802.11 a/b/g/n); NFC | Bluetooth 6.0; Wi-Fi 6 (802.11ax) 2.4GHz/5GHz; NFC; Ultra-Wideband (UWB); LTE version available |
NFC Payments | Yes (Samsung Wallet, Google Wallet) | Google Wallet |
Sensors | Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis); Temperature Sensor; Accelerometer; Barometer; Gyro Sensor; Geomagnetic Sensor; Light Sensor; 3D Hall Sensor | Compass; Altimeter; Red/Infrared SpO2 sensors; Multipurpose electrical sensors (ECG); Multi-path optical heart rate sensor; 3-axis accelerometer; Gyroscope; Ambient light sensor; cEDA sensor (stress); Skin temperature sensor; Barometer; Magnetometer |
Health Features | Body Composition (BIA); ECG (AFib detection); Sleep Coaching & Analysis; Blood Oxygen (SpO2); Cycle Tracking (Skin Temperature); Irregular Heart Rhythm Notification | Gemini-powered Health Coach; Sleep Apnea detection; Daily Readiness; Cardio Load; ECG app; High/low heart rate notifications; Stress management (cEDA); Skin temperature variation |
Workout Modes | 90+ exercises; Automatic workout detection (Walking, Running, Cycling, Rowing, Elliptical, Dynamic High-Intensity, Swimming); Personalized Heart Rate Zones | 40+ exercise modes; Auto-workout detection; Custom runs; Real-time guidance; Pace training; Heart Zone training |
Storage | 16 GB (Internal) / 2 GB RAM | 32GB eMMC flash |
Speaker Mic | Yes (Built-in speaker and microphone) | Built-in speaker (improved for Gemini); Microphone |
Calls | Yes (Make and answer calls via Bluetooth) | Yes (via Bluetooth or standalone on LTE models) |
Battery | 425 mAh; Up to 40 hours (AOD Off); Up to 30 hours (AOD On) | 455 mAh; Up to 40 hours with Always-On Display; Up to 72 hours in Battery Saver mode |
Charging | Fast Wireless Charging (WPC-based puck included; no wall adapter) | Fast charging (50% in 15 min; 80% in 30 min; 100% in 60 min) via 5-pin magnetic dock |
Weight | 59.0 g / 2.08 oz (Case weight only) | 36.7 g (without band) |
Band Sizes | Fits wrist sizes ~145–205 mm (M/L strap); Uses standard 20mm width (new One-Click mechanism, backwards compatible) | Active Band included (Small: 150–185 mm; Large: 165–215 mm) |
Extras | Physical Rotating Bezel for navigation; Camera Controller; SmartThings smart home control; Fall Detection; SOS | Snapdragon W5 Gen 2 chip; Cortex M55 co-processor; Satellite SOS (LTE only); Offline Google Maps; Safety Check; Fall Detection |
| Pros |
|
|
| Cons |
|
|
As an Amazon Associate I earn from qualifying purchases. | Check Price on Amazon→ | Check Price on Amazon→ |
Samsung Galaxy Watch6 Classic (47mm, Bluetooth)
Rating:★3.9(565)Amazon
Compatibility:Android 10.0 or higher with 1.5GB+ RAM (iOS NOT supported; some health features like ECG require a Samsung Galaxy phone)
Operating System:Wear OS 4 (Powered by Samsung, One UI 5 Watch)
Case Size:47mm (46.5 x 46.5 x 10.9 mm / 1.83 x 1.83 x 0.43 in)
Case Material:Case: Stainless Steel; Glass: Sapphire Crystal; Strap: Hybrid Eco-Leather (standard US retail)
Display Type:Super AMOLED touchscreen (Always-On capable)
Display Size:1.5 in (37.3 mm)
Resolution:480 x 480 pixels
Always On Display:Yes
Water Resistance:5 ATM + IP68 (Water resistant up to 50 meters)
Durability:MIL-STD-810H compliant (Environmental engineering considerations and laboratory tests)
GPS:GPS, GLONASS, Galileo, BeiDou
Connectivity:Bluetooth 5.3; Wi-Fi 2.4+5GHz (802.11 a/b/g/n); NFC
NFC Payments:Yes (Samsung Wallet, Google Wallet)
Sensors:Samsung BioActive Sensor (Optical Heart Rate + Electrical Heart + Bioelectrical Impedance Analysis); Temperature Sensor; Accelerometer; Barometer; Gyro Sensor; Geomagnetic Sensor; Light Sensor; 3D Hall Sensor
Health Features:Body Composition (BIA); ECG (AFib detection); Sleep Coaching & Analysis; Blood Oxygen (SpO2); Cycle Tracking (Skin Temperature); Irregular Heart Rhythm Notification
Workout Modes:90+ exercises; Automatic workout detection (Walking, Running, Cycling, Rowing, Elliptical, Dynamic High-Intensity, Swimming); Personalized Heart Rate Zones
Storage:16 GB (Internal) / 2 GB RAM
Speaker Mic:Yes (Built-in speaker and microphone)
Calls:Yes (Make and answer calls via Bluetooth)
Battery:425 mAh; Up to 40 hours (AOD Off); Up to 30 hours (AOD On)
Charging:Fast Wireless Charging (WPC-based puck included; no wall adapter)
Weight:59.0 g / 2.08 oz (Case weight only)
Band Sizes:Fits wrist sizes ~145–205 mm (M/L strap); Uses standard 20mm width (new One-Click mechanism, backwards compatible)
Extras:Physical Rotating Bezel for navigation; Camera Controller; SmartThings smart home control; Fall Detection; SOS
✓ Pros:
- • Iconic physical rotating bezel provides intuitive, smudge-free navigation
- • Comprehensive health suite including FDA-cleared ECG and Body Composition (BIA)
- • Stunning 1.5-inch Super AMOLED display with sapphire crystal protection
- • High-quality stainless steel build feels more premium than aluminum competitors
- • Seamless ecosystem integration with Samsung Galaxy phones
✗ Cons:
- • Battery life (max 40h) requires daily charging compared to multi-day competitors
- • Key health features (ECG, IHRN) are locked to Samsung phones only
- • Not compatible with iPhones (iOS)
- • Charging speed is decent but slower than OnePlus Watch 2's rapid charge
As an Amazon Associate I earn from qualifying purchases.
Check Price on Amazon→
Google Pixel Watch 4 (45mm)
Rating:★4.5(405)Amazon
Compatibility:Android 11.0 or later (Google account required); not compatible with iOS
Operating System:Wear OS 6.0 (pre-installed)
Case Size:45mm (45.0 x 45.0 x 12.3 mm)
Case Material:100% recycled aluminum case; Custom 3D Corning Gorilla Glass 5
Display Type:Actua 360 AMOLED LTPO (1-60Hz) with 15% thinner bezels
Display Size:1.4 in (Actua 360 domed design)
Resolution:456 x 456 pixels (320 ppi)
Always On Display:Yes (Up to 3,000 nits peak brightness, 1 nit minimum)
Water Resistance:5 ATM (50 meters)
Durability:IP68 dust and water resistance; Custom 3D Corning Gorilla Glass 5
GPS:Dual-frequency GPS (L1+L5); GLONASS, Galileo, BeiDou, QZSS, NavIC
Connectivity:Bluetooth 6.0; Wi-Fi 6 (802.11ax) 2.4GHz/5GHz; NFC; Ultra-Wideband (UWB); LTE version available
NFC Payments:Google Wallet
Sensors:Compass; Altimeter; Red/Infrared SpO2 sensors; Multipurpose electrical sensors (ECG); Multi-path optical heart rate sensor; 3-axis accelerometer; Gyroscope; Ambient light sensor; cEDA sensor (stress); Skin temperature sensor; Barometer; Magnetometer
Health Features:Gemini-powered Health Coach; Sleep Apnea detection; Daily Readiness; Cardio Load; ECG app; High/low heart rate notifications; Stress management (cEDA); Skin temperature variation
Workout Modes:40+ exercise modes; Auto-workout detection; Custom runs; Real-time guidance; Pace training; Heart Zone training
Storage:32GB eMMC flash
Speaker Mic:Built-in speaker (improved for Gemini); Microphone
Calls:Yes (via Bluetooth or standalone on LTE models)
Battery:455 mAh; Up to 40 hours with Always-On Display; Up to 72 hours in Battery Saver mode
Charging:Fast charging (50% in 15 min; 80% in 30 min; 100% in 60 min) via 5-pin magnetic dock
Weight:36.7 g (without band)
Band Sizes:Active Band included (Small: 150–185 mm; Large: 165–215 mm)
Extras:Snapdragon W5 Gen 2 chip; Cortex M55 co-processor; Satellite SOS (LTE only); Offline Google Maps; Safety Check; Fall Detection
✓ Pros:
- • Battery life significantly improved to 40 hours with AOD enabled
- • Brighter Actua 360 display (3,000 nits) with thinner bezels
- • Faster charging (0-50% in just 15 minutes)
- • New Satellite SOS feature for emergency communication (LTE models)
✗ Cons:
- • Design remains largely unchanged (still uses Gorilla Glass 5)
- • Requires Android 11.0+ (no iOS support)
- • Case thickness (12.3mm) is substantial compared to competitors
- • Satellite SOS requires an active LTE plan/carrier support
As an Amazon Associate I earn from qualifying purchases.
Check Price on Amazon→
Which one is better?
The Google Pixel Watch 4 (45mm) is the better buy for most people - its 40-hour battery life crushes the Samsung Galaxy Watch6 Classic's need for daily charging. That said, grab the Samsung if you need its advanced health tracking features, especially the ECG, which is FDA cleared.
Who should buy each?
Choose the Samsung Galaxy Watch6 Classic (47mm, Bluetooth) if: you want advanced health features like ECG, prefer a premium build with a rotating bezel, or need a vibrant display for notifications. (2.08 oz weight, 16 GB storage)
Choose the Google Pixel Watch 4 (45mm) if: you want longer battery life with up to 72 hours in Battery Saver mode, prefer a lighter design at 1.29oz, or need a smartwatch with a more modern aesthetic.
Conclusion
We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.
Frequently Asked Questions
+Which has better value?
Samsung Galaxy Watch6 Classic (47mm, Bluetooth) excels if you value iconic physical rotating bezel provides intuitive, smudge-free navigation. Google Pixel Watch 4 (45mm) is better if you prioritize battery life significantly improved to 40 hours with aod enabled. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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.