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Galaxy Watch 4 & Galaxy Watch 6 classic are two top smartwatches for advanced tracking, durability, and long-lasting performance in extreme environments. The Galaxy Watch 6 Classic is the newer and more advanced model with updated hardware, improved fitness tools, a larger display and a refined design. The Galaxy Watch 4 is more affordable, compact, and still offers solid fitness tracking with essential smart features. This comparison will help you decide which one fits your lifestyle best.
Feature-by-Feature Breakdown
Processor:- Samsung Galaxy Watch 6 Classic features the Exynos W930 processor for faster app loading and smoother system navigation.
- Samsung Galaxy Watch 4 uses the older Exynos W920 processor.
Winner: Galaxy Watch 6 Classic |
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Dual Frequency GPS:- Samsung Galaxy Watch 6 Classic has dual-frequency GPS that improves accuracy in challenging terrain or cities.
- Galaxy Watch 4 does not support dual frequency GPS.
Winner: Galaxy Watch 6 Classic |
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Display Brightness:- Samsung Galaxy Watch 6 Classic includes brightness up to 2000 nits that allows clear visibility in direct sunlight.
- Samsung Galaxy Watch 4 reaches around 1000 nits.
Winner: Galaxy Watch 6 Classic |
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Display Resolution:- Samsung Galaxy Watch 6 Classic features a 480 x 480 resolution that delivers sharper text and graphics.
- Galaxy Watch 4 has a 396 x 396 resolution that appears slightly less detailed.
Winner: Galaxy Watch 6 Classic |
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Rotating Bezel:- Samsung Galaxy Watch 6 Classic includes a physical rotating bezel that enhances navigation precision.
- Galaxy Watch 4 uses a digital touch bezel for scrolling.
Winner: Galaxy Watch 6 Classic |
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Battery Life:- Samsung Galaxy Watch 6 Classic has a rechargeable battery that lasts up to 40 hours with improved idle optimization.
- Samsung Galaxy Watch 4 reaches up to 30 hours but drain faster with active features.
Winner: Galaxy Watch 6 Classic |
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Display Size:- Samsung Galaxy Watch 6 Classic features a 1.5-inch Super AMOLED display that improves visibility and interaction space.
- Samsung Galaxy Watch 4 uses a smaller 1.2-inch Super AMOLED display.
Winner: Galaxy Watch 6 Classic |
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Operating System:- Samsung Galaxy Watch 6 Classic comes with Wear OS 4 with One UI 5 Watch by Samsung that enhances app performance and stability.
- Samsung Galaxy Watch 4 runs on Wear OS 3 with fewer software refinements.
Winner: Galaxy Watch 6 Classic |
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RAM:- Samsung Galaxy Watch 6 Classic features 2GB RAM that improves multitasking and responsiveness.
- Samsung Galaxy Watch 4 has 1.5GB RAM.
Winner: Galaxy Watch 6 Classic |
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Speaker System:- Samsung Galaxy Watch 6 Classic comes with an upgraded speaker system that improves call clarity and media playback.
- Samsung Galaxy Watch 4 includes a standard speaker for calls and alerts.
Winner: Galaxy Watch 6 Classic |
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Fitness Tracking:- Samsung Galaxy Watch 6 Classic supports personalized heart rate zones and advanced sleep coaching to improve workout and recovery precision.
- Samsung Galaxy Watch 4 tracks basic heart rate and sleep stages.
Winner: Galaxy Watch 6 Classic |
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Connectivity:- Samsung Galaxy Watch 6 Classic supports Bluetooth 5.3 and Wi-Fi 5 that improve wireless stability and speed.
- Galaxy Watch 4 supports Bluetooth 5.0 and Wi-Fi 4.
Winner: Galaxy Watch 6 Classic |
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Health Tracking:- Samsung Galaxy Watch 6 Classic includes a skin temperature sensor that improves cycle tracking and sleep accuracy.
- Samsung Galaxy Watch 4 lacks a skin temperature sensor.
Winner: Galaxy Watch 6 Classic |
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Specs at a Glance
| Feature | Galaxy Watch 6 Classic | Galaxy Watch 4 |
|---|
| Display Size | 1.5 inches (Super AMOLED) | 1.2 inches (Super AMOLED) |
| Display Resolution | 480 x 480 pixels | 396 x 396 pixels |
| Display Brightness | Up to 2,000 nits | Approx. 1,000 nits |
| Processor | Exynos W930 dual-core 1.4GHz | Exynos W920 dual-core 1.18GHz |
| RAM | 2GB RAM | 1.5GB RAM |
| Storage | 16GB internal storage | 16GB internal storage |
| Battery Size | 425mAh | 247mAh |
| Battery Life | Up to 40 hours | Up to 30 hours |
| Charging | Fast wireless charging | Wireless charging |
| GPS | Dual Frequency GPS | Standard GPS |
| Water Resistance | 5ATM + IP68 + MIL-STD-810H | 5ATM + IP68 |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 4 |
| Bluetooth | Bluetooth 5.3 | Bluetooth 5.0 |
| Microphone/Speaker | Yes (Improved dual speaker system) | Yes |
| Rotating Bezel | Physical rotating bezel | Digital touch bezel |
| Operating System | Wear OS Powered by Samsung (One UI 5 Watch) | Wear OS Powered by Samsung (One UI Watch 3) |
Who Should Buy What?Buy the Galaxy Watch 6 Classic if you:- Want the latest processor and faster performance for apps and navigation.
- Prefer a larger, brighter display that’s easier to read outdoors.
- Need more accurate GPS tracking for outdoor workouts and travel.
- Value detailed sleep coaching, heart rate zone training, and temperature tracking.
- Like the traditional rotating bezel design with a premium stainless steel case.
Check Galaxy Watch 6 Classic Best Price Buy the Galaxy Watch 4 if you:- Are looking for a more compact and lightweight smartwatch.
- Don’t need dual-frequency GPS or ultra-bright display.
- Want access to core Samsung health features at a lower price.
- Prefer a modern, minimal design with a digital bezel.
- Need a budget-friendly entry into the Galaxy Watch ecosystem.
Check Galaxy Watch 4 Best Price |
Winner by Category
| Category | Winner |
|---|
| Processor | Galaxy Watch 6 Classic |
| Dual Frequency GPS | Galaxy Watch 6 Classic |
| Always-On Display | Galaxy Watch 6 Classic |
| Display Size | Galaxy Watch 6 Classic |
| Higher Resolution | Galaxy Watch 6 Classic |
| Display Brightness | Galaxy Watch 6 Classic |
| Dual Speaker System | Galaxy Watch 6 Classic |
| Internal Storage | Tie |
| Battery Life | Galaxy Watch 6 Classic |
| Charging | Galaxy Watch 6 Classic |
| Wi-Fi | Galaxy Watch 6 Classic |
| Health & Fitness | Galaxy Watch 6 Classic |
| Water Resistance | Galaxy Watch 6 Classic |
| Connectivity | Galaxy Watch 6 Classic |
| Durability | Galaxy Watch 6 Classic |
| Rugged Titanium Case | Galaxy Watch 6 Classic |
| Design | Galaxy Watch 6 Classic |
What They Have in Common
- Rotating Bezel Control: Both the Galaxy Watch 4 and Galaxy Watch 6 Classic feature Samsung’s rotating bezel navigation, allowing users to scroll menus and apps quickly without obstructing the screen.
- Wear OS by Samsung: Each model runs on Samsung’s version of Wear OS, providing access to Google Play apps, smooth performance, and a consistent interface for Android users.
- Advanced Health Tracking: Both watches include heart rate monitoring, ECG, blood oxygen measurement, and body composition analysis, giving users detailed health insights.
- Comprehensive Fitness Features: Each model supports automatic workout detection, GPS tracking, and over 90 exercise modes to help users stay active and measure performance accurately.
- Seamless Smartphone Integration: Both smartwatches pair smoothly with Samsung Galaxy phones and other Android devices, enabling call handling, notifications, and quick replies directly from the wrist.
FAQ (Quick Answers)
Does the Samsung Galaxy Watch 6 Classic have a rotating bezel?
Yes, the Samsung Galaxy Watch 6 Classic includes a physical rotating bezel that helps with easy navigation through apps and menus.
Is the Samsung Galaxy Watch 4 still good in 2025?
Yes, the Galaxy Watch 4 remains a capable smartwatch for basic health tracking, fitness monitoring, and smart features, although it lacks some of the newer enhancements found in recent models.
Which watch has better battery life: Galaxy Watch 6 Classic or Galaxy Watch 4?
The Galaxy Watch 6 Classic has better battery life, lasting up to 40 hours, while the Galaxy Watch 4 typically lasts up to 30 hours under normal use.
Do both watches support ECG and body composition analysis?
Yes, both the Galaxy Watch 6 Classic and Galaxy Watch 4 include ECG and BIA sensors for monitoring heart rhythm and body composition.
Can the Galaxy Watch 4 receive software updates in 2025?
Yes, the Galaxy Watch 4 still receives software updates, but it may not support all features available on newer watches with the latest hardware.
Is the Galaxy Watch 6 Classic larger than the Galaxy Watch 4?
Yes, the Galaxy Watch 6 Classic has a larger 47mm case and a 1.5-inch display, while the Galaxy Watch 4 has a smaller 40mm case and a 1.2-inch screen.
Do either of these watches work with iPhones?
No, both the Galaxy Watch 6 Classic and Galaxy Watch 4 are only compatible with Android smartphones and do not support iOS.
What kind of display brightness does the Galaxy Watch 6 Classic have?
The Galaxy Watch 6 Classic reaches up to 2,000 nits of brightness, which improves visibility outdoors compared to the lower brightness of the Galaxy Watch 4.
Is there a temperature sensor on the Galaxy Watch 4?
No, the Galaxy Watch 4 does not include a temperature sensor. That feature is available on the Galaxy Watch 6 Classic.
Which watch is better for fitness and health tracking?
The Galaxy Watch 6 Classic is better for fitness and health tracking due to its personalized heart rate zones, advanced sleep coaching, and added skin temperature monitoring.