Apple iPhone Duo vs Samsung Galaxy Watch3

Specs comparison

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2 of 2 devices The best value in a row is marked Best	Apple Apple iPhone Duo View Specs Change	Change Samsung Galaxy Watch3 to… Cancel
Brand	Apple	Samsung
Versions	A3720 (International); A3447 (USA); A3719 (Middle East, Canada, Mexico); A3721 (China)	SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
Announced	2026, September 09	2020, August 05
Released	2026, October 23	2020, August 06
Availability	Available	Available

Technology	GSM / HSPA / LTE / 5G	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
4G Bands	1, 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, 106 - A3447, A37191, 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, 106 - A37201, 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, 106 - A3721	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 - A37201, 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, 258, 260, 261 SA/NSA/Sub6/mmWave - A34471, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 30, 38, 40, 41, 48, 66, 70, 75, 77, 78, 79 SA/NSA/Sub6 - A37211, 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 - A3719	—
Speed	HSPA, LTE, 5G	HSPA, LTE

Dimensions	Unfolded: 117.8 x 164.6 x 5.2 mmFolded: 117.8 x 84.1 x 11.3 mm	45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm
Weight	254 g (8.96 oz)	53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
Build	Glass front (Ceramic Shield 2) (folded)Titanium frame & hindge (grade 5)Glass back (Ceramic Shield)	Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
Stylus	Yes, support Apple Pencil (USB-C) model	—
SIM	· eSIM + eSIM (8 or more, max 2 at a time) - Global· eSIM + eSIM (China)	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	7.6 inches, 175.4 cm2 (~90.4% screen-to-body ratio) Best	1.4 inches
Resolution	1878 x 2670 pixels	360 x 360 pixels
Pixel Density	~430 ppi Best	~364 ppi
Refresh Rate	120Hz Best	60Hz
Peak Brightness	1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)	—
Protection	Nano Texture finishAnti‑reflective coating	Corning Gorilla Glass DX
Display Features	HDR10, Dolby Vision, Wide-angle OLED matte display	Always-On-Display

Display Type	LTPO Super Retina XDR OLED	—
Display Size	5.4 inches	—
Resolution	1398 x 2034 pixels	—
Pixel Density	460 ppi	—
Refresh Rate	120Hz	—
Peak Brightness	1000 nits (typ), 1600 nits (HBM), 3000 nits (peak)	—
Protection	Ceramic Shield 2, Anti‑reflective coating	—
Display Features	HDR10, Dolby Vision	—

Operating System	iOS	Tizen
OS Version	27	5.5
Chipset	Apple A20 Pro (2 nm)	Exynos 9110 (10 nm)
CPU	Hexa-core (2x GHz high performance + 4x GHz)	Dual-core 1.15 GHz Cortex-A53
GPU	Apple GPU (7-core graphics)	Mali-T720

RAM Options	12GB	1GB
Storage Options	256GB / 12GB RAM512GB / 12GB RAM1TB / 12GB RAM2TB / 12GB RAM	4GB / 1GB RAM8GB / 1GB RAM
Storage Type	NVMe	eMMC
Card Slot	No	No

Cameras	Dual camera	—
Modules	48 MP, f/1.6, 26mm (wide), PDAF, sensor-shift OIS48 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 0.7µm, PDAF	No Camera
Features	Dual-LED dual-tone flash, HDR (photo/panorama)	—
Video	4K@24/25/30/60/100/120fps, 1080p@25/30/60/120/240fps, 10-bit HDR, Dolby Vision HDR (up to 120fps), ProRes, 3D (spatial) video/audio, stereo sound rec.	—

Cameras	Dual camera	—
Modules	4 MP, f/1.8, 22mm (wide), under display camera (1080p@30/60fps)Cover camera:12 MP multi-aspect, f/2.2, (wide), AF	No Camera
Features	HDR, Dolby Vision HDR, 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
Spatial Audio	3D (spatial) video/audio, stereo sound	—

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 (L1+L5), GLONASS, GALILEO, BDS, QZSS, NavIC	GPS, GLONASS, GALILEO, BDS
NFC	Yes	Yes
Radio	No	No
USB	USB Type-C 3.2 Gen 2, DisplayPort	No

Fingerprint	Yes (side-mounted)	No
Face Unlock	No 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)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

Battery Type	Li-Ion	Li-Ion
Battery Capacity	4883 mAh Best	340 mAh (45mm)247 mAh (41mm)
Wired Charging	PD3.2, AVS, 50% in 20 min	N/A
Wireless Charging	25W wireless MagSafe/Qi2, 50% in 30 min	Wireless (WPC-based)
Reverse Wireless Charging	—	N/A

Colours	Night Sky, Star White	Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Models	A3720, A3721, A3447, A3719	SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U