Apple iPhone Air 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 2 devices The best value in a row is marked Best	Change Apple iPhone Air to… Cancel	Samsung Samsung Galaxy Watch3 View Specs Change
Brand	Apple	Samsung
Versions	A3517 (International); A3260 (USA, Middle East, Canada, Mexico); A3518 (China)	SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
Announced	2025, September 09	2020, August 05
Released	2025, September 19	2020, August 06
Availability	Available	Available

Technology	GSM / CDMA / HSPA / EVDO / LTE / 5G	GSM / HSPA / LTE
2G Bands	GSM 850 / 900 / 1800 / 1900CDMA 800 / 1900	GSM 850 / 900 / 1800 / 1900
3G Bands	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100CDMA2000 1xEV-DO	HSDPA 850 / 900 / 2100
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, 48, 53, 66 - A35171, 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, 48, 53, 66, 71 - A32601, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 34, 38, 39, 40, 41, 42, 48, 66 - A3518	1, 3, 5, 7, 8, 20
5G Bands	1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 53, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A35171, 2, 3, 5, 7, 8, 12, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 53, 66, 70, 71, 75, 77, 78, 79 SA/NSA/Sub6 - A32601, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A3518	—
Speed	HSPA, LTE, 5G, EV-DO Rev.A 3.1 Mbps	HSPA, LTE

Dimensions	156.2 x 74.7 x 5.6 mm(6.15 x 2.94 x 0.22 in)	45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm
Weight	165 g (5.82 oz)	53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
Build	Glass front (Ceramic Shield 2), titanium frame (grade 5), glass back (Ceramic Shield)	Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
SIM	eSIM + eSIM (8 or more, max 2 at a time)	eSIM (LTE models)
Protection / IP Rating	IP68 dust tight and water resistant (immersible up to 6m for 30 min)	IP68 dust/water resistant, 5ATMMIL-STD-810G compliant

Display Type	LTPO Super Retina XDR OLED	Super AMOLED
Display Size	6.5 inches, 104.9 cm2 (~89.9% screen-to-body ratio) Best	1.4 inches
Resolution	1260 x 2736 pixels, 19.5:9 ratio	360 x 360 pixels
Pixel Density	~460 ppi Best	~364 ppi
Refresh Rate	120Hz Best	60Hz
Peak Brightness	1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)	—
Protection	Ceramic Shield 2Anti-reflective coating	Corning Gorilla Glass DX
Display Features	HDR10, Dolby Vision	Always-On-Display

Operating System	iOS	Tizen
OS Version	26	5.5
Update Support	Upgradable to iOS 27.2	—
Chipset	Apple A19 Pro (3 nm)	Exynos 9110 (10 nm)
CPU	Hexa-core (2x4.26 GHz + 4x2.60 GHz)	Dual-core 1.15 GHz Cortex-A53
GPU	Apple GPU (5-core graphics)	Mali-T720

RAM Options	12GB	1GB
Storage Options	256GB / 12GB RAM512GB / 12GB RAM1TB / 12GB RAM	4GB / 1GB RAM8GB / 1GB RAM
Storage Type	NVMe	eMMC
Card Slot	—	No

Cameras	Single camera	—
Modules	48 MP, f/1.6, 26mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, sensor-shift OIS	No Camera
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	18 MP multi-aspect, f/1.9, 20mm (ultrawide), PDAFSL 3D, (depth/biometrics sensor)	No Camera
Features	HDR, Dolby Vision HDR, 3D (spatial) audio, stereo sound rec.	—
Video	4K@24/25/30/60fps, 1080p@25/30/60/120fps, gyro-EIS	—

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

WLAN	Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, hotspot	Wi-Fi 802.11 b/g/n
Bluetooth	6.0, A2DP, LE	5.0, A2DP, LE
GPS / Positioning	GPS, GALILEO, GLONASS, QZSS, BDS, NavIC	GPS, GLONASS, GALILEO, BDS
NFC	Yes	Yes
Radio	No	No
USB	USB Type-C 2.0	No

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

Battery Type	Li-Ion	Li-Ion
Battery Capacity	3149 mAh Best	340 mAh (45mm)247 mAh (41mm)
Wired Charging	PD2.0, 50% in 30 min	N/A
Wireless Charging	20 MagSafe/Qi2, 50% in 30 min (15W - China)	Wireless (WPC-based)
Reverse Wireless Charging	4.5W	N/A

Colours	Space Black, Cloud White, Light Gold, Sky Blue	Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Models	A3517, A3260, A3518, A3516	SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U
SAR	1.19 W/kg (head) 1.19 W/kg (body)	—
SAR EU	1.49 W/kg (head) 1.49 W/kg (body)	—