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

OnePlus Watch 3 & Samsung Watch 7 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 OnePlus Watch 3 rather than the Samsung Watch 7. 

Why Do I Recommend The OnePlus Watch 3

  • The OnePlus Watch 3 comes with a 648 mAh battery for multiple days of uninterrupted daily use, sleep tracking, and workouts without frequent charging, whereas the Samsung Watch 7 uses a smaller battery that typically requires daily charging.
  • OnePlus Watch 3 features a physical rotating crown for precise and tactile navigation when scrolling through menus and interacting with apps, while the Samsung Watch 7 uses virtual bezel controls that feel less accurate for fast menu movement.
  • It has a larger watch body and traditional design for better everyday wrist presence and dress-style aesthetics during formal or office settings, whereas the Samsung Watch 7 has a lighter sport-focused build.
  • The OnePlus Watch 3 supports fast charging for quick battery recovery before leaving home or starting a workout when the battery is low, while the Samsung Watch 7 uses standard wireless charging that takes longer to reach a usable battery level.
  • OnePlus Watch 3 features larger internal storage capacity for storing more offline music and essential apps during workouts or travel, whereas the Samsung Watch 7 features moderate storage.
  • It comes with a traditional strap mounting system for simpler strap replacement and wider third-party style choices to match outfits or occasions, while the Samsung Watch 7 uses watch-specific strap fittings that limit universal replacement options.
  • The OnePlus Watch 3 has a heavier stainless-steel style build for a more durable feel and better long-term wear stability during daily activities, while the Samsung Watch 7 uses a light composite build.
  • OnePlus Watch 3 supports a larger form factor for a more readable display and easier touch interaction during workouts, navigation, or busy environments, while the Samsung Watch 7 has smaller size options.

Maybe the Samsung Watch 7 price can make you comfortable because it’s a little bit cheaper than the OnePlus Watch 3. 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

FeatureOnePlus Watch 3Samsung Watch 7
DimensionsLarger overall bodySlimmer and more compact
Battery Capacity648 mAh425 mAh
Operating SystemWear OS + OnePlus customizationWear OS + Samsung ecosystem
NavigationPhysical rotating crownTouchscreen + virtual bezel
MaterialsStainless-steel style bodyAluminum and composite build
Sports PositioningCasual health focusActive sports and fitness focus
Charging MethodFast charging with proprietary dockWireless charging
Wrist FitLarger footprintBetter fit for small wrists
Strap CompatibilityStandard watch-style strapsSamsung smartwatch-style straps
App Ecosystem IntegrationStrong with OnePlus phonesStrong with Samsung phones
Standalone UseRequires phoneStandalone when LTE enabled
StorageLarger internal storageModerate internal storage
PriceCheck OnePlus Watch 3 PriceCheck Samsung Watch 7 Price

What Common Both Can Do?

  • AMOLED Display: Both watches use AMOLED panels, which provide vibrant colors, deep blacks, and excellent readability. This display type is well-suited for smartwatch interfaces and enhances everyday visibility indoors or outdoors.
  • Always-On Display: Each smartwatch supports an always-on mode that keeps essential information visible without raising your wrist. This improves usability for timekeeping, fitness tracking, and quick glance interactions throughout the day.
  • Wear OS Platform: Both models run on Wear OS, enabling access to Google apps, services, and consistent smartwatch functionality. This shared platform allows smooth integration with Android devices and a familiar interface for users who switch between watch brands.
  • Heart-Rate Monitoring: Each watch includes continuous heart-rate tracking to monitor daily activity, workouts, and resting metrics. This feature supports health awareness and allows users to view cardiovascular performance over time.
  • SpO2 Blood Oxygen: Both devices provide blood oxygen readings for insights into respiratory performance and sleep health. Measuring SpO2 helps identify nighttime oxygen variations and general wellness trends.
  • Sleep Tracking: Each watch tracks sleep duration, stages, and overall rest quality. This enables users to understand sleep habits and make adjustments to improve energy, recovery, and lifestyle balance.
  • Stress Monitoring: Both offer stress measurement using heart-rate variability and wellness signals. This helps users recognize daily stress patterns and adjust routines, breathing, or relaxation methods accordingly.
  • GPS Tracking: Each model features built-in GPS for accurate mapping and workout distance tracking without carrying a phone. This improves performance insights for activities such as running, walking, or cycling.
  • NFC Payments: Both watches include NFC capabilities for contactless payments at supported terminals. This adds convenience by allowing users to purchase items when the phone or wallet is not accessible.
  • Bluetooth Connectivity: Each smartwatch pairs with smartphones over Bluetooth for notifications, calls, and app control. Reliable wireless connection ensures smooth syncing and consistent usage throughout the day.
  • Wi-Fi Support: Both models can connect to Wi-Fi networks for app data, notifications, and updates even when the phone is not nearby. This enhances independence and quick access to cloud-based features.
  • Fast Charging Support: Each watch supports a fast-charging mechanism, reducing downtime when topping up the battery. Faster charging makes daily usage more practical, especially for users who exercise frequently or track sleep.
  • Microphone for Calls: Both watches have built-in microphones, allowing users to answer or place calls directly from the wrist. This improves convenience during workouts, driving, or busy situations.
  • Speaker for Calls: Each model includes a speaker to enable audible phone calls and voice interactions. Being able to hear notifications or voices clearly enhances practicality for everyday communication.
  • Swimproof Water Rating: Both devices carry a swim-suitable waterproof rating for pool or shallow-water use. This makes them reliable for exercise, showering, or daily wear without risk of accidental water exposure.
  • Smartphone Notifications: Both watches display messages, alerts, calls, and app notifications directly on the wrist. This helps users stay updated without frequently checking a phone.
  • App Store Access: Both models allow installation of apps from a smartwatch app store for extended functionality. This expands capabilities like navigation, health tools, music control, and productivity features.
  • Music Playback: Each watch supports onboard music playback or streamed listening via Bluetooth headphones. This enhances workout independence and provides convenient entertainment without a phone.
  • Workout Modes: Both smartwatches come with a wide range of exercise modes to track activities such as running, walking, swimming, or cycling. Detailed workout profiles help users monitor calories, pace, and overall performance.
  • Voice Assistant Support: Both devices support voice assistants that enable commands, reminders, and quick interactions. This enhances hands-free usability during multitasking, driving, or workouts.

Common Features

FeatureOnePlus Watch 3Samsung Watch 7
AMOLED DisplayYesYes
Always-On DisplayYesYes
Wear OS PlatformYesYes
Heart-Rate MonitoringYesYes
SpO2 Blood OxygenYesYes
Sleep TrackingYesYes
Stress MonitoringYesYes
GPS TrackingYesYes
NFC PaymentsYesYes
Bluetooth ConnectivityYesYes
Wi-Fi SupportYesYes
Fast Charging SupportYesYes
Microphone for CallsYesYes
Speaker for CallsYesYes
Swimproof Water RatingYesYes
Smartphone NotificationsYesYes
App Store AccessYesYes
Music PlaybackYesYes
Workout ModesYesYes
Voice Assistant SupportYesYes
Price Check OnePlus Watch 3 Price Check Samsung Watch 7 Price

FAQ

Which watch has better battery life between the OnePlus Watch 3 and Samsung Watch 7?
The OnePlus Watch 3 generally lasts much longer on a single charge because of its larger battery capacity, making it ideal for users who want multiday endurance. The Samsung Watch 7 usually lasts one to two days depending on activity levels and display settings.

Does the Samsung Watch 7 support LTE while the OnePlus Watch 3 does not?
Yes, the Samsung Watch 7 has LTE models that allow calls, notifications, and internet access without a paired phone. The OnePlus Watch 3 does not include LTE, so all cellular functions require a smartphone connection.

Do both watches support Wear OS apps and services?
Both watches run Wear OS, enabling access to Google apps, services, and third-party applications from the app store. This delivers similar ecosystem familiarity, navigation, and smartwatch functionality across both devices.

Is GPS available on both devices for fitness tracking?
Both watches have built-in GPS for tracking outdoor activities such as running and cycling without carrying a phone. GPS enables accurate distance measurement, route data, and performance insights during workouts.

Do both watches support sleep tracking and health metrics?
Yes, both models measure sleep patterns, sleep stages, and rest quality. The sleep data helps users understand overall wellness and make adjustments for improved recovery and energy levels.

Which watch is lighter and more comfortable for workouts?
The Samsung Watch 7 is generally lighter and slimmer, making it more comfortable for running, gym sessions, or everyday sports activities. The OnePlus Watch 3 is larger and has a more traditional watch feel, which may feel heavier during intense movement.

Can both watches measure heart rate and SpO2 blood oxygen?
Each model offers continuous heart-rate monitoring and SpO2 measurements for breathing and cardiovascular insights. These health metrics help track fitness, stress, sleep patterns, and overall wellness.

Do both watches allow voice calling from the wrist?
Yes, both models include a microphone and speaker, allowing users to answer and make calls directly from the watch when connected to a phone. This improves convenience while driving, walking, or exercising.

Are both watches water-resistant enough for swimming?
Both models carry swimproof ratings that make them safe for swimming in pools or for general daily water exposure. Users can wear them during showers, workouts, or swimming without concern.

Do both watches support mobile payments using NFC?
Both devices offer NFC payment capabilities for secure contactless transactions. Users can purchase items without needing a wallet or smartphone nearby, depending on regional payment availability.

Do both watches offer music playback and Bluetooth headphone pairing?
Yes, both devices allow local music storage or streaming through Bluetooth headphones. This lets users enjoy workouts or outdoor activities without carrying a phone.

Is Wi-Fi available on both watches for internet access without a phone nearby?
Both devices support Wi-Fi connectivity, enabling app syncing, notifications, and cloud features when a phone is not within Bluetooth range. Wi-Fi improves independence and functional flexibility.

Do both watches support smartphone notifications such as messages, alerts, and calls?
Each model can display notifications directly on the wrist, including calls, messages, reminders, and app alerts. This eliminates the need to constantly check a smartphone during busy activities.

Are workout tracking modes available on both watches?
Yes, both watches support multiple workout modes for activities like running, walking, swimming, indoor training, and cycling. Fitness data helps monitor calories, duration, pace, and long-term performance.

Do both watches allow access to a wide range of third-party apps from an app store?
Both devices support app installation through the smartwatch app store, giving users access to navigation tools, fitness apps, productivity utilities, and media services. This expands smartwatch functionality and personalization options.