Galaxy Watch 3 vs 7 – Check Which One Is Best & Why?

Galaxy Watch 7 & Galaxy Watch 3 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 7 rather than the Galaxy Watch 3. 

Why Do I Recommend The Galaxy Watch 7

  • The Galaxy Watch 7 has a powerful Exynos W930 (5nm) processor for faster performance, improved power efficiency, and smoother multitasking compared to the Galaxy Watch 3’s older Exynos 9110 (10nm) chip.
  • Galaxy Watch 7 has a larger 1.5-inch Super AMOLED display with a higher 480 x 480 resolution for sharper visuals and better outdoor visibility compared to the Galaxy Watch 3’s 1.4-inch 360 x 360 display.
  • It has an improved 425mAh battery that delivers up to 40 hours of battery life, compared to the Galaxy Watch 3’s 340mAh battery, which lasts only up to 24 hours.
  • The Galaxy Watch 7 supports USB-C fast charging for faster power-ups compared to the Galaxy Watch 3’s slower wireless charging.
  • Galaxy Watch 7 features an advanced BioActive Sensor with body composition analysis for detailed insights into muscle mass, fat percentage, and water levels, while the Galaxy Watch 3 lacks these features.
  • It introduces a temperature sensor for enhanced health tracking and provides insights into skin temperature fluctuations, which the Galaxy Watch 3 lacks.
  • The Galaxy Watch 7 runs on Wear OS with One UI Watch for unlocking access to the Google Play Store and a wider selection of apps than the Galaxy Watch 3’s Tizen OS.
  • The Galaxy Watch 7 is equipped with MIL-STD-810H certification to make it more durable and resistant in extreme conditions, while the Galaxy Watch 3 lacks this added rugged protection.

Maybe the Galaxy Watch 3 price can make you comfortable because it’s a little bit cheaper than the Galaxy Watch 7. 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 7Galaxy Watch 3
Release Year20242020
ProcessorExynos W930 (5nm)Exynos 9110 (10nm)
CPU Speed1.4 GHz Dual-Core1.15 GHz Dual-Core
RAM2GB1GB
Storage16GB8GB
Display Size1.5 inches (larger)1.4 inches
Display Resolution480 x 480 pixels360 x 360 pixels
Peak BrightnessHigherLower
Battery Capacity425mAh340mAh
Battery LifeUp to 40 hoursUp to 24 hours
Charging PortUSB-C Fast ChargingSlower Wireless Charging
Charging Time~30% faster chargingSlower charging
Operating SystemWear OS with One UI WatchTizen OS
App EcosystemGoogle Play Store SupportSamsung Galaxy Store Only
Health SensorsEnhanced BioActive SensorStandard Heart Rate Sensor
Temperature SensorYesNo
Body Composition AnalysisYesNo
ECG & Blood Pressure MonitoringImproved AccuracyStandard Accuracy
Sleep TrackingImproved FeaturesBasic Features
Stress MonitoringYesYes
Fall DetectionImproved AlgorithmBasic Version
GPSMore AccurateStandard GPS
Bluetooth VersionBluetooth 5.3Bluetooth 5.0
Wi-FiWi-Fi 5Wi-Fi 4
NFC SupportYesYes
Material OptionsArmor Aluminum or Stainless SteelStainless Steel Only
Color OptionsNewerTraditional color palette
Build QualitySleeker, slimmer profileBulkier design
DurabilityImprovedLess rugged
Voice AssistantGoogle Assistant and BixbyBixby Only
PriceCheck Galaxy 7 PriceCheck Galaxy 3 Price

What Common Both Can Do?

  • Display Technology: Both smartwatches feature Super AMOLED displays, delivering vibrant colors, deep blacks, and sharp visuals for an immersive viewing experience.
  • Always-On Display: Both models support an Always-On Display mode, allowing key information such as time, date, and notifications to remain visible without needing to activate the screen.
  • Rotating Bezel: The Galaxy Watch 3 includes a physical rotating bezel, while the Galaxy Watch 7 offers a digital rotating bezel. Both methods provide intuitive navigation through menus and apps.
  • Water Resistance: Both devices are rated 5ATM + IP68, making them water-resistant up to 50 meters for 10 minutes, suitable for swimming and outdoor activities.
  • ECG Monitoring: Both the Galaxy Watch 7 and Galaxy Watch 3 feature ECG (Electrocardiogram) monitoring, helping users detect irregular heart rhythms for enhanced cardiovascular awareness.
  • Blood Pressure Monitoring: Each model includes blood pressure tracking, allowing users to monitor and manage their cardiovascular health directly from their wrists.
  • Heart Rate Monitoring: Both smartwatches provide continuous heart rate monitoring, ensuring accurate tracking during workouts, rest, and daily activities.
  • Stress Tracking: Both models include stress tracking features that measure stress levels and provide breathing exercises for relaxation.
  • Sleep Tracking: Both watches offer sleep tracking, analyzing your sleep stages and patterns to improve rest quality and overall well-being.
  • Fitness Tracking Modes: Each model includes a variety of fitness tracking modes, covering activities such as running, cycling, swimming, and strength training.
  • GPS Support: Both devices feature built-in GPS, ensuring accurate route tracking for outdoor workouts without requiring a smartphone.
  • NFC (Samsung Pay): Both the Galaxy Watch 7 and Galaxy Watch 3 support Samsung Pay, enabling secure and convenient contactless payments.
  • Wireless Charging: Both models are compatible with Qi wireless charging, allowing easy and convenient recharging without the need for cables.
  • Voice Assistant Support: Each watch includes Bixby for hands-free control, enabling users to set reminders, control smart home devices, and check the weather using voice commands.
  • Music Storage & Control: Both smartwatches allow users to store music locally and control media playback directly from the watch, providing entertainment on the go.
  • Bluetooth & Wi-Fi Connectivity: Both models offer Bluetooth and Wi-Fi support for seamless connection to smartphones and other devices.
  • LTE Model Option: Each device is available in an LTE variant, allowing users to make calls, send texts, and access data without a smartphone.
  • Notification Support: Both models provide real-time notification support, ensuring you stay informed without needing to check your phone.
  • Smartphone Compatibility: Both the Galaxy Watch 7 and Galaxy Watch 3 are compatible with Android and Samsung devices, ensuring wide device support.
  • Interchangeable Bands: Both smartwatches feature interchangeable bands, allowing users to customize their watch style for different occasions.
  • Customizable Watch Faces: Each model offers a variety of customizable watch faces, providing users with personalization options to match their aesthetic and preferences.

Common Features

FeatureGalaxy Watch 7Galaxy Watch 3
BrandSamsungSamsung
Display TechnologySuper AMOLEDSuper AMOLED
Always-On DisplayYesYes
Rotating BezelYesYes
Water Resistance5ATM + IP685ATM + IP68
ECG MonitoringYesYes
Blood Pressure MonitoringYesYes
Heart Rate MonitoringYesYes
Stress TrackingYesYes
Sleep TrackingYesYes
Fitness Tracking ModesExtensive workout modesExtensive workout modes
GPSYesYes
NFC (Samsung Pay)YesYes
Wireless ChargingYesYes
Voice Assistant SupportYesYes
Music StorageYesYes
Bluetooth ConnectivityYesYes
Wi-Fi SupportYesYes
LTE Model OptionYesYes
Notification SupportYesYes
Smartphone CompatibilityAndroid & Samsung devicesAndroid & Samsung devices
Interchangeable BandsYesYes
Customizable Watch FacesYesYes
Price Check Galaxy 7 Price Check Galaxy 3 Price

FAQ

Does the Galaxy Watch 7 have a better display than the Galaxy Watch 3?
Yes, the Galaxy Watch 7 features a larger 1.5-inch Super AMOLED display with a higher resolution (480 x 480 pixels) and improved brightness for better outdoor visibility. The Galaxy Watch 3 has a smaller 1.4-inch display with a lower resolution (360 x 360 pixels).

Which watch has better battery life, the Galaxy Watch 7 or Galaxy Watch 3?
The Galaxy Watch 7 has superior battery life, lasting up to 40 hours on a single charge, whereas the Galaxy Watch 3 provides around 24 hours of battery life.

Is the Galaxy Watch 7 more durable than the Galaxy Watch 3?
Yes, the Galaxy Watch 7 includes MIL-STD-810H certification, making it more resistant to extreme conditions, shocks, and impacts compared to the Galaxy Watch 3.

Does the Galaxy Watch 7 have improved fitness and health tracking features?
Yes, the Galaxy Watch 7 offers advanced health features such as a temperature sensor, body composition analysis, and improved ECG and blood pressure tracking. The Galaxy Watch 3 lacks the temperature sensor and body composition analysis.

Do both the Galaxy Watch 7 and Galaxy Watch 3 support ECG and blood pressure monitoring?
Yes, both models support ECG and blood pressure monitoring, but the Galaxy Watch 7 offers improved accuracy and additional health tracking insights.

Can I swim with both the Galaxy Watch 7 and Galaxy Watch 3?
Yes, both watches have a 5ATM + IP68 water resistance rating, making them suitable for swimming, showering, and activities involving water exposure.

Which operating system do the Galaxy Watch 7 and Galaxy Watch 3 run on?
The Galaxy Watch 7 runs on Wear OS with One UI Watch, giving users access to the Google Play Store and a wider variety of apps. The Galaxy Watch 3 runs on Tizen OS, which has fewer third-party app options.

Which watch offers better app support, the Galaxy Watch 7 or Galaxy Watch 3?
The Galaxy Watch 7 has better app support since it runs Wear OS with access to the Google Play Store, providing a broader range of apps than the Galaxy Watch 3’s Tizen OS.

Do both watches support Samsung Pay for contactless payments?
Yes, both the Galaxy Watch 7 and Galaxy Watch 3 support Samsung Pay, allowing users to make secure contactless payments directly from their watch.

Are both watches compatible with Android smartphones?
Yes, both watches are compatible with Samsung and Android smartphones. However, the Galaxy Watch 7 provides a more seamless experience due to improved software integration.

Do the Galaxy Watch 7 and Galaxy Watch 3 offer LTE connectivity?
Yes, both models are available with LTE variants, allowing you to make calls, send texts, and access data without being connected to a smartphone.

Can I control music from both watches?
Yes, both the Galaxy Watch 7 and Galaxy Watch 3 support music storage and music playback controls, allowing users to play, pause, and change tracks directly from their wrist.

Which watch is better for outdoor activities like running or hiking?
The Galaxy Watch 7 is better suited for outdoor activities as it offers improved GPS accuracy, a brighter display for outdoor visibility, and a more durable build with MIL-STD-810H certification.

Are both the Galaxy Watch 7 and Galaxy Watch 3 compatible with interchangeable bands?
Yes, both watches support interchangeable bands, allowing users to switch bands for different styles, comfort levels, or activities.