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Galaxy Watch 4 vs 6 Classic – Check Which One Is Best & Why?

Galaxy Watch 6 Classic & Galaxy Watch 4 share many similarities, but there are also important differences, such as quality, performance, features, design, and connectivity. If you want the best one between them, I Would recommend the Galaxy Watch 6 Classic rather than the Galaxy Watch 4.

Why Do I Recommend The Galaxy Watch 6 Classic?

  • The Galaxy Watch 6 Classic features the Exynos W930 chipset and 2GB RAM for faster app loading and smoother performance, whereas the Galaxy Watch 4 uses the Exynos W920 chipset and 1.5GB RAM.
  • Galaxy Watch 6 Classic has a sapphire crystal display for improved scratch resistance and long-term durability, while the Galaxy Watch 4 comes with Gorilla Glass DX+.
  • It includes a physical rotating bezel for more precise and tactile navigation during workouts and daily use, whereas the Galaxy Watch 4 relies on a touch bezel.
  • The Galaxy Watch 6 Classic supports 2000-nit peak brightness for better outdoor visibility in bright sunlight, while the Galaxy Watch 4 reaches a significantly lower brightness level.
  • Galaxy Watch 6 Classic supports faster wireless charging to reduce downtime when topping up before heading out, while the Galaxy Watch 4 charges more slowly.
  • It includes a temperature sensor for improved sleep insights and cycle tracking, whereas the Galaxy Watch 4 lacks any temperature-based wellness measurement.
  • The Galaxy Watch 6 Classic supports Bluetooth 5.3 for stronger connectivity and lower power usage when paired with a phone or headphones, while the Galaxy Watch 4 uses Bluetooth 5.0.
  • Galaxy Watch 6 Classic includes MIL-STD-810H durability for better protection against drops and harsh environments, whereas the Galaxy Watch 4 does not meet the same military-grade endurance.

Maybe the Galaxy Watch 4 can make you comfortable because it’s a little bit cheaper than the Galaxy Watch 6 Classic. But you have to compromise all the above-mentioned features. Now the Decision is Yours. I hope it was helpful to choose the right one.

Side-by-Side Comparison

FeatureGalaxy Watch 6 ClassicGalaxy Watch 4
ChipsetExynos W930Exynos W920
RAM2GB1.5GB
Software at LaunchWear OS 4 + One UI 5 WatchWear OS 3 + One UI 3 Watch
Bezel TypeRotating physical bezelTouch bezel
Display Sizes43mm / 47mm40mm / 44mm
Display ProtectionSapphire CrystalGorilla Glass DX+
Peak Brightness2000 nits~1000 nits
Battery LifeLongerShorter
Charging SpeedFasterSlower
Heart Rate Sensor GenerationNewer BioActive SensorOlder BioActive Sensor
Temperature SensorYesNo
Bluetooth VersionBluetooth 5.3Bluetooth 5.0
Wi-Fi VersionWi-Fi 5Wi-Fi 4
Durability RatingMIL-STD-810H + IP68 + 5ATMIP68 + 5ATM
Bezel ThicknessSlimmer bezelThicker bezel
Band AttachmentOne-Click BandsStandard Pin Bands
Regional ECG/BP SupportWider CoverageLimited Coverage
Sleep TrackingUpdated Advanced MetricsOlder Metrics
Thermal Cycle TrackingSupportedNot Supported
Watch FacesLatest UI DesignsOlder UI Designs
Storage SpeedFaster Read/WriteSlower Read/Write
PriceCheck Galaxy 6 Classic PriceCheck Galaxy Watch 4 Price

What Common Both Can Do?

  • Wear OS Platform: Both watches run on the Wear OS ecosystem, enabling Google apps, voice features, and third-party app support. This ensures a more connected experience with Android phones, especially Samsung devices.
  • Samsung One UI Watch: Both models include Samsung’s customized interface layered on top of Wear OS. This brings consistent navigation, app design, and feature sets across Samsung smartwatches.
  • BioActive Sensor: Each watch uses the Samsung BioActive sensor for heart rate, SpO2, and body composition data. This integration supports deep health insights and more accurate tracking.
  • ECG Support: Both watches can perform electrocardiogram readings for heart rhythm analysis. This feature helps detect potential AFib and provides health data that users can share with healthcare professionals.
  • Blood Pressure Monitoring: Each watch supports BP tracking where regionally approved and paired with a compatible Samsung phone. This adds convenient monitoring without needing a dedicated cuff in supported regions.
  • SpO2 Monitoring: Both track blood oxygen saturation during sleep and workouts. This helps users identify breathing issues or performance efficiency.
  • GPS: Built-in GPS on each model supports outdoor activity tracking without carrying a phone. Distance, speed, and route metrics are captured automatically.
  • NFC Payments: Both support Samsung Pay contactless payments. This offers a quick, phone-free way to pay at supported terminals.
  • LTE Optional Models: Cellular versions exist for both models, enabling calling, messaging, and streaming without a phone. This boosts freedom during runs or workouts.
  • Wireless Charging: Both charge wirelessly using Samsung’s charger interface. The convenience reduces cable wear and allows easy drop-to-charge usage.
  • 5ATM Water Resistance: Each watch can handle swimming and daily water exposure. This durability supports fitness use in pools and outdoor environments.
  • IP68 Rating: Both devices withstand dust and water ingress in tough use conditions. The certification assures reliability for daily wear and workouts.
  • Always-On Display: Both watches can show key information even when the wrist is down. This improves glanceability while maintaining a stylish watch look.
  • 45mm/44mm Size Category: Both product families include a larger size variant. This ensures a similar fit experience for users who prefer larger displays.
  • 16GB Storage: Both have the same internal storage capacity for apps, songs, and downloads. Users can keep playlists and apps offline for workouts.
  • Microphone & Speaker: Each supports on-wrist calling and voice interaction. This enables hands-free convenience directly from the watch.
  • Qi Compatibility: Both can wirelessly charge from compatible devices like Samsung phones with Wireless PowerShare. Travel charging flexibility is improved with fewer cables.
  • Fall Detection: Both models can automatically detect falls and alert emergency contacts. This enhances personal safety during workouts or daily wear.
  • Auto Workout Detection: Each device automatically identifies common activities like running or walking. This helps ensure activity is logged even when a workout isn’t manually started.
  • Stress Tracking: Both track stress using heart rate variability data. They can provide breathing exercises to help manage daily stress more proactively.

Common Features

FeatureGalaxy Watch 6 ClassicGalaxy Watch 4
Wear OS PlatformYesYes
Samsung One UI WatchYesYes
BioActive SensorYesYes
ECG SupportYesYes
Blood Pressure Monitoring (Region Dependent)YesYes
SpO2 MonitoringYesYes
GPSYesYes
NFC Payments (Samsung Pay)YesYes
LTE Optional ModelsYesYes
Wireless ChargingYesYes
5ATM Water ResistanceYesYes
IP68 Dust/Water RatingYesYes
Always-On DisplayYesYes
45mm/44mm Size CategoryYesYes
16GB StorageYesYes
Microphone & Speaker for CallsYesYes
Qi Compatibility for ChargingYesYes
Fall DetectionYesYes
Auto Workout DetectionYesYes
Stress TrackingYesYes
Price Check Galaxy 6 Classic Price
Check Galaxy Watch 4 Price

FAQ

Is the Galaxy Watch 6 Classic compatible with the same smartphones as the Galaxy Watch 4?
Both watches are compatible with modern Android phones, especially Samsung Galaxy devices. They require Android 10 or later with Google Mobile Services installed to ensure full feature support including ECG and BP functions.

Do both watches support ECG and blood pressure monitoring?
Yes, both support ECG and blood pressure readings, though BP functionality may be limited by country regulations and requires calibration with a Samsung phone to activate and maintain accuracy.

Do both watches track sleep and provide sleep insights?
Yes, both include sleep monitoring, oxygen tracking during sleep, and snoring detection with a paired phone. The Watch 6 Classic adds more advanced sleep insights but both deliver reliable sleep data.

Can both watches be used for swimming?
Yes, both watches have 5ATM and IP68 water resistance, meaning they can be used for pool swims, showering, and wet outdoor activities without issue when used as directed.

Do both watches support Google Play apps?
Yes, both run Wear OS and can install apps from the Google Play Store, including YouTube Music, Maps, and third-party fitness apps like Strava and Calm.

Can you make Bluetooth and LTE phone calls on both models?
Yes, both feature a microphone and speaker, allowing Bluetooth calls when paired to a phone, and LTE versions can make calls independently with an active carrier plan.

Do both watches provide body composition measurement?
Yes, both feature Samsung’s BioActive sensor that can measure body fat percentage, skeletal muscle mass, and water content directly from your wrist.

Is wireless charging available on both devices?
Yes, both use wireless charging through Samsung’s dedicated puck and can also use Wireless PowerShare with supported Galaxy phones to charge on the go.

Can the watches store music for offline listening?
Yes, both support offline storage of songs and playlists from services like Spotify and YouTube Music so users can listen during workouts without a phone.

Do both watches include GPS and navigation features?
Yes, built-in GPS allows distance, pace, and route tracking when running or cycling outdoors. Google Maps integration provides turn-by-turn navigation on the wrist.

Can both track stress and provide breathing exercises?
Yes, both provide continuous stress tracking using heart rate variability and deliver guided breathing sessions when elevated stress levels are detected.

Do both devices support contactless payments?
Yes, Samsung Pay works on both watches for secure tap-to-pay transactions on supported payment terminals without needing your phone.

Are both watches equipped for fall detection and emergency alerts?
Yes, both models include automatic fall detection and SOS messaging features, which can contact emergency services or preset contacts when a serious fall is detected.

Do both support voice assistants?
Yes, both can use Google Assistant and Samsung Bixby for hands-free commands, allowing users to reply to messages, control smart homes, or start workouts using voice.

Can both watches auto-detect workouts?
Yes, both models automatically recognize several exercises like walking, running, and elliptical workouts, helping ensure activity stats are captured even when users forget to start a workout manually.