iPhone 15 vs Samsung Galaxy Watch3

Specs comparison

Add up to three devices side by side to compare their full specifications, features, performance, battery, and key differences in one place. Make informed decisions and find the device that best suits your needs and budget. Search for a device in an empty slot to add it.


2 of 3 devices The best value in a row is marked Best	Change iPhone 15 to… Cancel	Samsung Samsung Galaxy Watch3 View Specs Change	Empty slot Search to add a device
Brand	Apple	Samsung	Empty slot
Versions	A3090 (International); A2846 (USA); A3089 (Canada, Japan); A3092 (China, Hong Kong)	SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)	Empty slot
Announced	2023, September 12	2020, August 05	Empty slot
Released	2023, September 22	2020, August 06	Empty slot
Availability	Available	Available	Empty slot

Technology	GSM / CDMA / HSPA / EVDO / LTE / 5G	GSM / HSPA / LTE	Empty slot
2G Bands	GSM 850 / 900 / 1800 / 1900CDMA 800 / 1900	GSM 850 / 900 / 1800 / 1900	Empty slot
3G Bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100CDMA2000 1xEV-DO	HSDPA 850 / 900 / 2100	Empty slot
4G Bands	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	1, 3, 5, 7, 8, 20	Empty slot
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	—	Empty slot
Speed	HSPA, LTE, 5G, EV-DO Rev.A 3.1 Mbps	HSPA, LTE	Empty slot

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

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

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

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

Cameras	Dual camera	—	Empty slot
Modules	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	No Camera	Empty slot
Features	Dual-LED dual-tone flash, HDR (photo/panorama)	—	Empty slot
Video	4K@24/25/30/60fps, 1080p@25/30/60/120/240fps, HDR, Dolby Vision HDR (up to 60fps), stereo sound rec.	—	Empty slot

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

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

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

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

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

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