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Watch Series 6 vs Galaxy Watch4

Apple Watch Series 6 vs Samsung Galaxy Watch4

What Watch Series 6 does better (2) and where Galaxy Watch4 wins (5) — every spec side by side.

Apple · 2020Watch Series 6

7.9Score

2 advantages≈ $770

Higher score

Samsung · 2021Galaxy Watch4

6.7Score

5 advantages≈ $120

6.2Display5.3

5.0Health tracking9.2

9.3Sports & outdoor6.4

7.9Smart features8.4

5.7Build & durability7.5

Dimensions

Size comparison

Watch Series 6Galaxy Watch4

	Watch Series 6	Galaxy Watch4	Difference
Height	44 mm	44.4 mm	−0.4 mm
Width	38 mm	43.3 mm	−5.3 mm
Thickness	10.7 mm	9.8 mm	+0.9 mm
Weight	47 g	30 g	+17 g

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

Why is Watch Series 6 better than Galaxy Watch4?

Screen size1.78″ vs 1.4″+27%
Storage32 GB vs 16 GB2×

Why is Galaxy Watch4 better than Watch Series 6?

Battery life (smartwatch mode)2 days vs 2.2 days+10%
Weight47.1 g vs 30.3 g+55%
Resolution (width)368 px vs 450 px+22%
Battery capacity304 mAh vs 361 mAh+19%
Thickness10.7 mm vs 9.8 mm+9%

Specifications

Side by side

Only differences	Apple Watch Series 6≈ $7707.9	Samsung Galaxy Watch4≈ $1206.7
Design & durability
Case size	44 mm	44 mm
Weight	47.1 g	30.3 g
Thickness	10.7 mm	9.8 mm
Height	44 mm	44.4 mm
Width	38 mm	43.3 mm
Case material	Stainless steel	Aluminium
Sapphire crystal	Yes	—
Lens / cover glass	Sapphire crystal glass	Corning Gorilla Glass DX+
Strap material	Fluorelastomer	Fluorelastomer
Water resistance	5 ATM	5 ATM
Ingress protection	—	IP68
Water resistance (IPx)	—	IPx8
Water rating (maker)	50 m / 5 bar / 5 ATM	50 m / 5 bar / 5 ATM
Military-grade (MIL-STD-810)	—	Yes
Colours	Silver, Graphite (DLC), Gold (PVD)	Black, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition
Display
Screen size	1.78″	1.4″
Display technology	OLED	AMOLED
Panel	Retina LTPO OLED	Super AMOLED
AMOLED / OLED display	Yes	Yes
Always-on display	Yes	Yes
Touchscreen	Yes	—
Resolution (width)	368 px	450 px
Resolution (height)	448 px	450 px
Pixel density	326 ppi	321 ppi
Peak brightness	1,000 nits	—
LTPO display	Yes	—
Refresh rate	60 Hz	60 Hz
Battery
Battery life (smartwatch mode)	2 days	2.2 days
Battery life (hours)	—	52 h
Battery capacity	304 mAh	361 mAh
Battery type	Li-Ion	Li-Ion
Wireless charging	Yes	Yes
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	Yes	Yes
Skin temperature	—	Yes
Sleep tracking	Yes	Yes
Sensors	Accelerometer, gyro, heart rate, barometer, always-on altimeter, compass, SpO2, VO2max	Accelerometer, gyro, compass, barometer, heart rate, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Satellite systems	GLONASS, GALILEO, QZSS	GLONASS, GALILEO, BDS
Barometric altimeter	Yes	Yes
Compass	Yes	Yes
Multisport / triathlon mode	—	Yes
LED flashlight	Yes	—
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	Yes	Yes
eSIM	Yes	Yes
Wi-Fi	Wi-Fi 4	Wi-Fi 4
Bluetooth	5	5
Ultra Wideband	Yes	—
Smart features
Calls from the wrist	Yes	—
Speaker	Yes	Yes
Microphone	Yes	—
Voice assistant	Yes	—
Music on the watch	Yes	Yes
Storage	32 GB	16 GB
RAM	1 GB	1.5 GB
Platform
Operating system	watchOS 7.0	Android Wear OS 4
Platform	watchOS	Android
Works with	iOS	Android
Chipset	Apple S6	Exynos W920