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Galaxy Watch3 vs Galaxy Watch5

Samsung Galaxy Watch3 vs Samsung Galaxy Watch5

What Galaxy Watch3 does better (2) and where Galaxy Watch5 wins (5) — every spec side by side.

Samsung · 2020Galaxy Watch3

7.7Score

2 advantages≈ $110

Higher score

Samsung · 2022Galaxy Watch5

6.4Score

5 advantages≈ $180

7.3Display5.3

9.2Health tracking8.6

7.9Smart features7.9

4.1Build & durability7.4

Dimensions

Size comparison

Galaxy Watch3Galaxy Watch5

	Galaxy Watch3	Galaxy Watch5	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	34 g	+15 g

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

Why is Galaxy Watch3 better than Galaxy Watch5?

Battery life (smartwatch mode)2 days vs 1.7 days+18%
Pixel density364 ppi vs 321 ppi+13%

Why is Galaxy Watch5 better than Galaxy Watch3?

Weight48.2 g vs 33.5 g+44%
Storage8 GB vs 16 GB2×
Resolution (width)360 px vs 450 px+25%
Battery capacity340 mAh vs 410 mAh+21%
Thickness11.1 mm vs 9.8 mm+13%

Specifications

Side by side

Only differences	Samsung Galaxy Watch3≈ $1107.7	Samsung Galaxy Watch5≈ $1806.4
Design & durability
Case size	46 mm	44 mm
Weight	48.2 g	33.5 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
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	50 m / 5 bar / 5 ATM
Military-grade (MIL-STD-810)	Yes	Yes
Colours	Mystic Bronze, Mystic Black, Mystic White	Graphite, Silver, Pink Gold, Sapphire
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	1.7 days
Battery life (hours)	—	40 h
Battery capacity	340 mAh	410 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
Temperature sensor	—	Yes
Sleep tracking	Yes	Yes
Sensors	Accelerometer, gyro, heart rate, barometer	Accelerometer, gyro, heart rate, barometer, thermometer (skin temperature)
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	5.2
Smart features
Calls from the wrist	Yes	Yes
Speaker	Yes	Yes
Microphone	Yes	—
Voice assistant	—	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