idk.dev
Compare
Galaxy Watch6 vs Galaxy Watch8

Samsung Galaxy Watch6 vs Samsung Galaxy Watch8

What Galaxy Watch6 does better (2) and where Galaxy Watch8 wins (4) — every spec side by side.

Samsung · 2023Galaxy Watch6

8.8Score

2 advantages≈ $210

Higher score

Samsung · 2025Galaxy Watch8

6.6Score

4 advantages≈ $310

8.5Display9.6

8.6Health tracking8.2

6.4Sports & outdoor3.1

7.9Smart features7.9

7.4Build & durability7.2

Dimensions

Size comparison

Galaxy Watch6Galaxy Watch8

	Galaxy Watch6	Galaxy Watch8	Difference
Height	42.8 mm	46 mm	−3.2 mm
Width	44.4 mm	43.7 mm	+0.7 mm
Thickness	9 mm	8.6 mm	+0.4 mm
Weight	33 g	34 g	−1 g

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

Why is Galaxy Watch6 better than Galaxy Watch8?

Weight33.3 g vs 34 g+2%
Screen size1.5″ vs 1.47″+2%

Why is Galaxy Watch8 better than Galaxy Watch6?

Peak brightness2,000 nits vs 3,000 nits+50%
Storage16 GB vs 32 GB2×
Thickness9 mm vs 8.6 mm+5%
Battery capacity425 mAh vs 435 mAh+2%

Specifications

Side by side

Only differences	Samsung Galaxy Watch6≈ $2108.8	Samsung Galaxy Watch8≈ $3106.6
Design & durability
Case size	43 mm	46 mm
Weight	33.3 g	34 g
Thickness	9 mm	8.6 mm
Height	42.8 mm	46 mm
Width	44.4 mm	43.7 mm
Case material	Aluminium	Aluminium
Sapphire crystal	Yes	Yes
Lens / cover glass	Sapphire crystal	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	Graphite, Silver, Gold	Graphite, Silver
Display
Screen size	1.5″	1.47″
Display technology	AMOLED	AMOLED
Panel	Super AMOLED	Super AMOLED
AMOLED / OLED display	Yes	Yes
Resolution (width)	480 px	480 px
Resolution (height)	480 px	480 px
Pixel density	327 ppi	327 ppi
Peak brightness	2,000 nits	3,000 nits
Refresh rate	60 Hz	60 Hz
Battery
Battery life (smartwatch mode)	—	1.2 days
Battery life (hours)	—	30 h
Battery capacity	425 mAh	435 mAh
Battery type	Li-Ion	Li-Ion
Wireless charging	Yes	Yes
Charging	kabellos, magnetische Ladeschale, magnetisches Ladekabel	kabellos, magnetisches Ladekabel, magnetische Ladeschale
Health sensors
Optical heart rate	Yes	Yes
Blood oxygen (SpO2)	Yes	Yes
ECG	Yes	Yes
Skin temperature	Yes	Yes
Temperature sensor	Yes	Yes
HRV tracking	—	Yes
Sleep tracking	Yes	Yes
Sensors	Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin)	Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin), BioActive, antioxidant index
Sports & navigation
Built-in GPS	Yes	Yes
Dual-band GPS	—	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	5.3	5.3
Smart features
Calls from the wrist	Yes	Yes
Speaker	Yes	Yes
Voice assistant	Yes	Yes
Music on the watch	Yes	Yes
Storage	16 GB	32 GB
RAM	2 GB	2 GB
Platform
Operating system	Android Wear OS 4	Android Wear OS 6
Platform	Android	Android
Works with	Android	Android
Chipset	Exynos W930	Exynos W1000