Samsung Galaxy Watch3 vs iPhone 15

Specs comparison

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2 of 2 devices The best value in a row is marked Best	Change Samsung Galaxy Watch3 to… Cancel	Apple iPhone 15 View Specs Change
Brand	Samsung	Apple
Versions	SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)	A3090 (International); A2846 (USA); A3089 (Canada, Japan); A3092 (China, Hong Kong)
Announced	2020, August 05	2023, September 12
Released	2020, August 06	2023, September 22
Availability	Available	Available

Technology	GSM / HSPA / LTE	GSM / CDMA / HSPA / EVDO / LTE / 5G
2G Bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900CDMA 800 / 1900
3G Bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100CDMA2000 1xEV-DO
4G Bands	1, 3, 5, 7, 8, 20	1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 53, 66 - A30901, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 53, 66, 71 - A28461, 2, 3, 4, 5, 7, 8, 11, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 53, 66, 71 - A30891, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 66 - A3092
5G Bands	—	1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 77, 78, 79 SA/NSA/Sub6 - A30901, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 77, 78, 79, 258, 260, 261 SA/NSA/Sub6/mmWave - A28461, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 76, 77, 78, 79 SA/NSA/Sub6 - A30891, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 77, 78, 79 SA/NSA/Sub6 - A3092
Speed	HSPA, LTE	HSPA, LTE, 5G, EV-DO Rev.A 3.1 Mbps

Dimensions	45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm	147.6 x 71.6 x 7.8 mm(5.81 x 2.82 x 0.31 in)
Weight	53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best	171 g (6.03 oz)
Build	Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel	Glass front, glass back, aluminum frame
SIM	eSIM (LTE models)	· Nano-SIM + eSIM + eSIM (max 2 at a time; International)· eSIM + eSIM (8 or more, max 2 at a time; USA)· Nano-SIM + Nano-SIM (China)
Protection / IP Rating	IP68 dust/water resistant, 5ATMMIL-STD-810G compliant	IP68 dust tight and water resistant (immersible up to 6m for 30 min)

Display Type	Super AMOLED	Super Retina XDR OLED
Display Size	1.4 inches	6.1 inches, 91.3 cm2 (~86.4% screen-to-body ratio) Best
Resolution	360 x 360 pixels	1179 x 2556 pixels, 19.5:9 ratio
Pixel Density	~364 ppi	~461 ppi Best
Refresh Rate	60Hz	120Hz Best
Peak Brightness	—	1000 nits (HBM), 2000 nits (peak)
Protection	Corning Gorilla Glass DX	Ceramic Shield glass
Display Features	Always-On-Display	HDR10, Dolby Vision

Operating System	Tizen	iOS
OS Version	5.5	17
Update Support	—	Upgradable to iOS 27.2
Chipset	Exynos 9110 (10 nm)	Apple A16 Bionic (4 nm)
CPU	Dual-core 1.15 GHz Cortex-A53	Hexa-core (2x3.46 GHz Everest + 4x2.02 GHz Sawtooth)
GPU	Mali-T720	Apple GPU (5-core graphics)

RAM Options	1GB	6GB
Storage Options	4GB / 1GB RAM8GB / 1GB RAM	128GB / 6GB RAM256GB / 6GB RAM512GB / 6GB RAM
Storage Type	eMMC	NVMe
Card Slot	No	No

Cameras	—	Dual camera
Modules	No Camera	48 MP, f/1.6, 26mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, sensor-shift OIS12 MP, f/2.4, 13mm, 120˚ (ultrawide), 0.7µm
Features	—	Dual-LED dual-tone flash, HDR (photo/panorama)
Video	—	4K@24/25/30/60fps, 1080p@25/30/60/120/240fps, HDR, Dolby Vision HDR (up to 60fps), stereo sound rec.

Cameras	—	Single camera
Modules	No Camera	12 MP, f/1.9, 23mm (wide), 1/3.6", 1.0µm, PDAFSL 3D, (depth/biometrics sensor)
Features	—	HDR, Dolby Vision HDR
Video	—	4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS

Loudspeaker	Yes	Yes, with stereo speakers
Audio Jack	No	No
Audio Codec	Not Available	—

WLAN	Wi-Fi 802.11 b/g/n	Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, hotspot
Bluetooth	5.0, A2DP, LE	5.3, A2DP, LE
GPS / Positioning	GPS, GLONASS, GALILEO, BDS	GPS, GLONASS, GALILEO, BDS, QZSS
NFC	Yes	Yes
Radio	No	No
USB	No	USB Type-C 2.0, DisplayPort

Fingerprint	No	—
Face Unlock	No	Face ID
Sensors	Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)	Accelerometer, gyro, proximity, compass, barometer
Other Features	ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions	Ultra Wideband (UWB) support (gen2 chip)Emergency SOS, Messages and Find My via satellite

Battery Type	Li-Ion	Li-Ion
Battery Capacity	340 mAh (45mm)247 mAh (41mm)	3349 mAh Best
Wired Charging	N/A	PD2.0, 50% in 30 min
Wireless Charging	Wireless (WPC-based)	15W (MagSafe)15W (Qi2) - requires iOS 17.2 update
Reverse Wireless Charging	N/A	4.5W reverse wired

Colours	Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium	Black, Blue, Green, Yellow, Pink
Models	SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U	A3090, A2846, A3089, A3092
SAR	—	1.12 W/kg (head) 1.14 W/kg (body)
SAR EU	—	0.98 W/kg (head) 0.98 W/kg (body)