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Galaxy Watch4 Classic vs Galaxy Watch6

Samsung Galaxy Watch4 Classic vs Samsung Galaxy Watch6

What Galaxy Watch4 Classic does better (0) and where Galaxy Watch6 wins (5) — every spec side by side.

Samsung · 2021Galaxy Watch4 Classic

6.2Score

0 advantages≈ $95

Samsung · 2023Galaxy Watch6

8.8Score

5 advantages≈ $210

Higher score

5.3Display8.5

5.0Health tracking8.6

6.4Sports & outdoor6.4

8.4Smart features7.9

3.9Build & durability7.4

Dimensions

Size comparison

Galaxy Watch4 ClassicGalaxy Watch6

	Galaxy Watch4 Classic	Galaxy Watch6	Difference
Height	45.5 mm	42.8 mm	+2.7 mm
Width	45.5 mm	44.4 mm	+1.1 mm
Thickness	11 mm	9 mm	+2 mm
Weight	52 g	33 g	+19 g

Drawn to the same scale from the official dimensions (front and side).

Why is Galaxy Watch4 Classic better than Galaxy Watch6?

Galaxy Watch4 Classic has no measurable advantages in this pair.

Why is Galaxy Watch6 better than Galaxy Watch4 Classic?

Weight52 g vs 33.3 g+56%
Screen size1.4″ vs 1.5″+7%
Thickness11 mm vs 9 mm+22%
Battery capacity361 mAh vs 425 mAh+18%
Resolution (width)450 px vs 480 px+7%

Specifications

Side by side

Only differences	Samsung Galaxy Watch4 Classic≈ $956.2	Samsung Galaxy Watch6≈ $2108.8
Design & durability
Case size	46 mm	43 mm
Weight	52 g	33.3 g
Thickness	11 mm	9 mm
Height	45.5 mm	42.8 mm
Width	45.5 mm	44.4 mm
Case material	Titanium	Aluminium
Sapphire crystal	—	Yes
Lens / cover glass	Corning Gorilla Glass DX	Sapphire crystal
Water resistance	5 ATM	5 ATM
Ingress protection	IP68	IP68
Water resistance (IPx)	IPx8	IPx8
Water rating (maker)	50 m / 5 bar / 5 ATM	—
Military-grade (MIL-STD-810)	Yes	Yes
Colours	Black, Silver, Thom Browne Edition, Bespoke Edition	Graphite, Silver, Gold
Display
Screen size	1.4″	1.5″
Display technology	AMOLED	AMOLED
Panel	Super AMOLED	Super AMOLED
AMOLED / OLED display	Yes	Yes
Always-on display	Yes	—
Resolution (width)	450 px	480 px
Resolution (height)	450 px	480 px
Pixel density	321 ppi	327 ppi
Peak brightness	—	2,000 nits
Refresh rate	60 Hz	60 Hz
Battery
Battery life (smartwatch mode)	1.7 days	—
Battery life (hours)	40 h	—
Battery capacity	361 mAh	425 mAh
Battery type	Li-Ion	Li-Ion
Wireless charging	Yes	Yes
Charging	—	kabellos, magnetische Ladeschale, magnetisches Ladekabel
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	Yes	Yes
Skin temperature	—	Yes
Temperature sensor	—	Yes
Sleep tracking	Yes	Yes
Sensors	Accelerometer, gyro, compass, barometer, heart rate, SpO2	Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin)
Sports & navigation
Built-in GPS	Yes	Yes
Satellite systems	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Multisport / triathlon mode	Yes	Yes
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	Yes	Yes
eSIM	Yes	Yes
Wi-Fi	Wi-Fi 4	Wi-Fi 4
Bluetooth	5	5.3
Smart features
Calls from the wrist	—	Yes
Speaker	Yes	Yes
Voice assistant	—	Yes
Music on the watch	Yes	Yes
Storage	16 GB	16 GB
RAM	1.5 GB	2 GB
Platform
Operating system	Android Wear OS 4	Android Wear OS 4
Platform	Android	Android
Works with	Android	Android
Chipset	Exynos W920	Exynos W930