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 / 1700(AWS) / 1900 / 2100	HSDPA 850 / 900 / 2100 - Global
			HSDPA 850 / 1700(AWS) / 1900 - USA/Canada
	4G bands	1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 39, 40, 41, 66 - Global	1, 3, 5, 7, 8, 20 - Global
		1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 25, 26, 39, 40, 41, 66 - USA, LATAM, Canada	2, 4, 5, 12, 13, 25, 26, 66 - USA
			2, 4, 5, 12, 13, 66 - Canada
	Speed	HSPA, LTE	HSPA, LTE

Launch	Announced	2019, September	2019, August
	Status	Available. Released 2019, September	Available. Released 2019, September

Body	Dimensions	44 x 38 x 10.7 mm (1.73 x 1.50 x 0.42 in)	44 x 44 x 10.9 mm (1.73 x 1.73 x 0.43 in)
	Weight	47.8 g (1.69 oz)	42 g (1.48 oz)
	Build	Glass front (Sapphire crystal), ceramic/sapphire crystal back, stainless steel frame	Glass front (Gorilla Glass DX+), stainless steel frame 316L
	SIM	eSIM	eSIM
		50m water resistant ECG certified (region dependent SW application; HW available on all models)	MIL-STD-810G compliant* 50m water resistant (IP68) Compatible with standard 20mm straps ECG certified Touch-sensitive bezel *does not guarantee ruggedness or use in extreme conditions

Display	Type	Retina LTPO OLED, 1000 nits (peak)	Super AMOLED
	Size	1.78 inches	1.4 inches
	Resolution	448 x 368 pixels (~326 ppi density)	360 x 360 pixels (~364 ppi density)
	Protection	Sapphire crystal glass	Corning Gorilla Glass DX+
		3D Touch display Always-on display	Always-on display

Platform	OS	watchOS 6.0, upgradable to watchOS 10.6	Tizen OS 5.5
	Chipset	Apple S5	Exynos 9110 (10 nm)
	CPU	Dual-core	Dual-core 1.15 GHz Cortex-A53
	GPU	PowerVR	Mali-T720

Memory	Card slot	No	No
	Internal	32GB 1GB RAM	4GB 768MB RAM, 4GB 1.5GB RAM
			eMMC

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

Features	Sensors	Accelerometer, gyro, heart rate, barometer, compass	Accelerometer, gyro, heart rate, barometer, VO2max

Battery	Type	Li-Po 296 mAh (1.13 Wh), non-removable	Li-Ion 340 mAh, non-removable
	Charging	Wireless	Wireless (Qi)

Misc
	Colors	Space Black, Silver, Gold	Black, Silver, Gold
	Models	A2156, A2157, A2094, A2095	SM-R825F, SM-R835F, SM-R825U, SM-R835U
	Price	About 750 EUR	About 80 EUR