Galaxy Watch 4 vs 6 – Which Should You Buy?

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Galaxy Watch 4 & Galaxy Watch 6 are two top smartwatches for advanced tracking, durability, and long-lasting performance in extreme environments. The Galaxy Watch 6 is the newer and more premium option with refined hardware, a larger display, and more advanced wellness tools. 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 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

Dual Frequency GPS:

Samsung Galaxy Watch 6 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

Display Brightness:

Samsung Galaxy Watch 6 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

Design:

Samsung Galaxy Watch 6 includes a larger and slimmer bezel design that increases screen real estate and visual appeal.
Samsung Galaxy Watch 4 has a more compact design with thicker bezels.

Winner:

Galaxy Watch 6

Battery Life:

Samsung Galaxy Watch 6 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

Display:

Samsung Galaxy Watch 6 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

Operating System:

Samsung Galaxy Watch 6 comes with Wear OS 4 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

RAM:

Samsung Galaxy Watch 6 features 2GB RAM that improves multitasking and responsiveness.
Samsung Galaxy Watch 4 has 1.5GB RAM.

Winner:

Galaxy Watch 6

Speaker System:

Samsung Galaxy Watch 6 comes with an optimized 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

Fitness Tracking:

Samsung Galaxy Watch 6 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

Health Tracking:

Samsung Galaxy Watch 6 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

Check Galaxy Watch 6 Best Price
Check Galaxy Watch 4 Best Price

Specs at a Glance

Feature	Galaxy Watch 6	Galaxy Watch 4
Case Size	44mm	40mm
Display Type	Super AMOLED Always-On	Super AMOLED Always-On
Display Size	1.5 inches	1.2 inches
Resolution	480 x 480 pixels	396 x 396 pixels
Brightness	Up to 2000 nits	Up to 1000 nits
Processor	Exynos W930 (5nm)	Exynos W920 (5nm)
RAM	2GB	1.5GB
Storage	16GB	16GB
Battery Life	Up to 40 hours	Up to 40 hours
Charging	Fast Wireless Charging (WPC-based)	Wireless Charging
Build Material	Aluminum case	Aluminum case
OS	Wear OS Powered by Samsung	Wear OS Powered by Samsung
Health Sensors	HR, SpO2, ECG, BIA, Skin Temperature	HR, SpO2, ECG, BIA
Fall Detection	Yes	Yes
GPS	Yes	Yes
Bluetooth	Bluetooth 5.3	Bluetooth 5.0

Who Should Buy What?

Buy the Galaxy Watch 6 if you:

Want a bigger display with brighter visuals and thinner bezels.
Prefer better sleep tracking, personalized heart rate zones, and skin temperature sensing.
Need smoother performance from a newer processor and more RAM.
Appreciate dual-band Wi-Fi, Bluetooth 5.3, and faster charging.
Plan to keep your watch longer and want future-ready health features.

Check Galaxy Watch 6 Best Price

Buy the Galaxy Watch 4 if you:

Want a more compact smartwatch that fits smaller wrists comfortably.
Are looking for a solid fitness watch with ECG and BIA sensors at a lower price.
Don’t need skin temperature tracking or advanced sleep coaching.
Prefer a lightweight design for daily wear or workouts.
Want core smartwatch features without spending more.

Check Galaxy Watch 4 Best Price

Winner by Category

Category	Winner
Processor	Galaxy Watch 6
Dual Frequency GPS	Galaxy Watch 6
Always-On Display	Galaxy Watch 6
Display Size	Galaxy Watch 6
Higher Resolution	Galaxy Watch 6
Display Brightness	Galaxy Watch 6
Dual Speaker System	Galaxy Watch 6
Battery Life	Galaxy Watch 6
Charging	Galaxy Watch 6
Wi-Fi	Galaxy Watch 6
Health & Fitness	Galaxy Watch 6
Water Resistance	Galaxy Watch 6
Connectivity	Galaxy Watch 6
Durability	Galaxy Watch 6

FAQ

Does the Samsung Galaxy Watch 6 support advanced sleep tracking features?
Yes, the Samsung Galaxy Watch 6 includes advanced sleep coaching, personalized insights, and sleep score tracking, making it more advanced than the Galaxy Watch 4 in this area.

Is there a difference in display size between the Galaxy Watch 6 and Galaxy Watch 4?
Yes, the Galaxy Watch 6 has a 1.5-inch screen, which is larger than the 1.2-inch screen on the Galaxy Watch 4, providing more room for viewing and touch interactions.

Does the Galaxy Watch 6 have better brightness than the Galaxy Watch 4?
Yes, the Galaxy Watch 6 reaches up to 2000 nits of brightness, which is double the estimated brightness of the Galaxy Watch 4, improving visibility in direct sunlight.

Do both watches support ECG and body composition analysis?
Yes, both the Galaxy Watch 6 and Galaxy Watch 4 support ECG monitoring and include a BIA sensor for body composition tracking.

Is the Galaxy Watch 6 more durable than the Galaxy Watch 4?
Yes, the Galaxy Watch 6 meets MIL-STD-810H durability standards, while the Galaxy Watch 4 follows the older MIL-STD-810G certification.

Do either of the watches have a temperature sensor?
Only the Galaxy Watch 6 has a built-in skin temperature sensor, which is used for cycle tracking and improving sleep accuracy.

Can both Galaxy Watches be used to take phone calls?
Yes, both models include built-in microphones and speakers, allowing users to answer calls directly from the watch when paired with a phone.

Which version of Bluetooth do these watches support?
The Galaxy Watch 6 supports Bluetooth 5.3, offering better range and efficiency than the Galaxy Watch 4, which supports Bluetooth 5.0.

Do both watches run on the same operating system?
Both run Wear OS powered by Samsung, but the Galaxy Watch 6 runs the newer Wear OS 4, while the Galaxy Watch 4 typically uses Wear OS 3 unless updated.

Is there a significant difference in performance between the two?
Yes, the Galaxy Watch 6 has the newer Exynos W930 chip and 2GB RAM, which result in faster performance compared to the Galaxy Watch 4’s Exynos W920 and 1.5GB RAM.

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