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Galaxy Watch3 vs Galaxy Watch4

Samsung Galaxy Watch3 vs Samsung Galaxy Watch4

What Galaxy Watch3 does better (1) and where Galaxy Watch4 wins (6) — every spec side by side.

Samsung · 2020Galaxy Watch3

7.7Score

1 advantage≈ $110

Higher score

Samsung · 2021Galaxy Watch4

6.7Score

6 advantages≈ $120

7.3Display5.3

9.2Health tracking9.2

7.9Smart features8.4

4.1Build & durability7.5

Dimensions

Size comparison

Galaxy Watch3Galaxy Watch4

	Galaxy Watch3	Galaxy Watch4	Difference
Height	46.2 mm	44.4 mm	+1.8 mm
Width	45 mm	43.3 mm	+1.7 mm
Thickness	11.1 mm	9.8 mm	+1.3 mm
Weight	48 g	30 g	+18 g

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

Why is Galaxy Watch3 better than Galaxy Watch4?

Pixel density364 ppi vs 321 ppi+13%

Why is Galaxy Watch4 better than Galaxy Watch3?

Battery life (smartwatch mode)2 days vs 2.2 days+10%
Weight48.2 g vs 30.3 g+59%
Storage8 GB vs 16 GB2×
Resolution (width)360 px vs 450 px+25%
Thickness11.1 mm vs 9.8 mm+13%
Battery capacity340 mAh vs 361 mAh+6%

Specifications

Side by side

Only differences	Samsung Galaxy Watch3≈ $1107.7	Samsung Galaxy Watch4≈ $1206.7
Design & durability
Case size	46 mm	44 mm
Weight	48.2 g	30.3 g
Thickness	11.1 mm	9.8 mm
Height	46.2 mm	44.4 mm
Width	45 mm	43.3 mm
Case material	Titanium	Aluminium
Lens / cover glass	Corning Gorilla Glass DX	Corning Gorilla Glass DX+
Strap material	—	Fluorelastomer
Water resistance	5 ATM	5 ATM
Ingress protection	IP68	IP68
Water resistance (IPx)	IPx8	IPx8
Water rating (maker)	50 m / 5 bar / 5 ATM	50 m / 5 bar / 5 ATM
Military-grade (MIL-STD-810)	Yes	Yes
Colours	Mystic Bronze, Mystic Black, Mystic White	Black, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition
Display
Screen size	1.4″	1.4″
Display technology	AMOLED	AMOLED
Panel	Super AMOLED	Super AMOLED
AMOLED / OLED display	Yes	Yes
Always-on display	Yes	Yes
Touchscreen	Yes	—
Resolution (width)	360 px	450 px
Resolution (height)	360 px	450 px
Pixel density	364 ppi	321 ppi
Refresh rate	60 Hz	60 Hz
Battery
Battery life (smartwatch mode)	2 days	2.2 days
Battery life (hours)	—	52 h
Battery capacity	340 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	Yes
Sleep tracking	Yes	Yes
Sensors	Accelerometer, gyro, heart rate, barometer	Accelerometer, gyro, compass, barometer, heart rate, SpO2
Sports & navigation
Built-in GPS	Yes	Yes
Satellite systems	GLONASS, GALILEO, BDS	GLONASS, GALILEO, BDS
Barometric altimeter	Yes	Yes
Compass	—	Yes
Multisport / triathlon mode	—	Yes
Connectivity
NFC payments	Yes	Yes
LTE (cellular)	Yes	Yes
eSIM	Yes	Yes
Wi-Fi	Wi-Fi 4	Wi-Fi 4
Bluetooth	5	5
Smart features
Calls from the wrist	Yes	—
Speaker	Yes	Yes
Microphone	Yes	—
Music on the watch	Yes	Yes
Storage	8 GB	16 GB
RAM	1 GB	1.5 GB
Platform
Operating system	Tizen OS 5.5	Android Wear OS 4
Platform	Tizen	Android
Works with	iOS, Android	Android
Chipset	Exynos 9110	Exynos W920