Compare specs

Network	Technology	GSM / HSPA / LTE	GSM / HSPA / LTE
	2G bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
	3G bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 2100
	4G bands	LTE	1, 3, 5, 7, 8, 20
	Speed	HSPA, LTE	HSPA, LTE

Launch	Announced	2024, June 13	2021, August 11
	Status	Available. Released 2024, June 24	Available. Released 2021, August 27

Body	Dimensions	40.4 x 39.3 x 9.8 mm (1.59 x 1.55 x 0.39 in)	44.4 x 43.3 x 9.8 mm (1.75 x 1.70 x 0.39 in)
	Weight	26.6 g (0.95 oz)	30.3 g (44mm), 25.9 g (40mm) (1.06 oz)
	Build	Glass front (sapphire crystal), aluminum frame	Glass front (Gorilla Glass DX+), aluminum frame
	SIM	eSIM	eSIM
		50m/5ATM water resistant (up to 10 min) IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) MIL-STD-810H compliant* ECG certified Compatible with standard 20mm straps * does not guarantee ruggedness or use in extreme conditions	MIL-STD-810G compliant* IP68 dust tight and water resistant (immersible up to 50m) Compatible with standard 20mm straps ECG certified Blood pressure monitor *does not guarantee ruggedness or use in extreme conditions

Display	Type	Super AMOLED	Super AMOLED
	Size	1.2 inches	1.4 inches
	Resolution	396 x 396 pixels (~330 ppi density)	450 x 450 pixels (~321 ppi density)
	Protection	Sapphire crystal glass	Corning Gorilla Glass DX+

Platform	OS	Android Wear OS 4, upgradable to 6.0, One UI Watch 8	Android Wear OS 4, upgradable to 6.0, One UI Watch 8
	Chipset	Exynos W920 (5 nm)	Exynos W920 (5 nm)
	CPU	Dual-core 1.18 GHz Cortex-A55	Dual-core 1.18 GHz Cortex-A55
	GPU	Mali-G68	Mali-G68

Memory	Card slot	No	No
	Internal	16GB 1.5GB RAM	16GB 1.5GB RAM

Main Camera	Modules	No	No

Selfie Camera	Modules	No	No

Sound	Loudspeaker	Yes	Yes
	3.5mm jack	No	No

Comms	WLAN	Wi-Fi 802.11 a/b/g/n, dual-band	Wi-Fi 802.11 a/b/g/n, dual-band
	Bluetooth	5.0, A2DP, LE	5.0, A2DP, LE
	Positioning	GPS, GALILEO, GLONASS, BDS	GPS, GLONASS, GALILEO, BDS
	NFC	Yes	Yes
	Infrared port	No	No
	Radio	No	No
	USB	No	No

Features	Sensors	Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (skin)	Accelerometer, gyro, compass, barometer, heart rate, SpO2

Battery	Type	Li-Ion 247 mAh battery	Li-Ion 361 mAh
	Charging	Wireless	Wireless

Misc
	Colors	Black, Pink Gold, Silver	Black, Pink Gold, Silver, Green, Thom Browne Edition, Bespoke Edition, PXG Golf Edition
	SAR EU	0.52 W/kg (head)     0.17 W/kg (body)
	Models	SM-R861, SM-R866	SM-R860, SM-R870
	Price	About 100 EUR	About 110 EUR