Apple iPhone SE (2nd Gen.) 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 SE (2nd Gen.) to… Cancel	Samsung Samsung Galaxy Watch3 View Specs Change
Brand	Apple	Samsung
Versions	A2296 (Global market)A2275 (USA, Canada, Puerto Rico, U.S. Virgin Islands)A2298 (China)	SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
Announced	2020, April 15	2020, August 05
Released	2020, April 24	2020, August 06
Availability	Available	Available

Technology	GSM / CDMA / HSPA / EVDO / LTE	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, 11, 12, 13, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 42, 46, 48, 66 - A22961, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 29, 30, 34, 38, 39, 40, 41, 42, 46, 48, 66, 71 - A2275, A2298	1, 3, 5, 7, 8, 20
Speed	HSPA 42.2/5.76 Mbps, LTE (5CA) Cat16 1024/150 Mbps, EV-DO Rev.A 3.1 Mbps	HSPA, LTE

Dimensions	138.4 x 67.3 x 7.3 mm(5.45 x 2.65 x 0.29 in)	45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm
Weight	148 g (5.22 oz)	53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
Build	Glass front, glass back, aluminum frame	Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
SIM	Nano-SIM + eSIM	eSIM (LTE models)
Protection / IP Rating	IP67 dust/water resistant (up to 1m for 30 min)	IP68 dust/water resistant, 5ATMMIL-STD-810G compliant

Display Type	Retina IPS LCD	Super AMOLED
Display Size	4.7 inches, 60.9 cm2 (~65.4% screen-to-body ratio) Best	1.4 inches
Resolution	750 x 1334 pixels, 16:9 ratio	360 x 360 pixels
Pixel Density	~326 ppi	~364 ppi Best
Refresh Rate	120Hz Best	60Hz
Peak Brightness	625 nits (typ)	—
Protection	Ion-strengthened glass	Corning Gorilla Glass DX
Display Features	—	Always-On-Display

Operating System	iOS	Tizen
OS Version	13	5.5
Update Support	Upgradable to iOS 27	—
Chipset	Apple A13 Bionic (7 nm+)	Exynos 9110 (10 nm)
CPU	Hexa-core (2x2.65 GHz Lightning + 4x1.8 GHz Thunder)	Dual-core 1.15 GHz Cortex-A53
GPU	Apple GPU (4-core graphics)	Mali-T720

RAM Options	3GB	1GB
Storage Options	64GB / 3GB RAM128GB / 3GB RAM256GB / 3GB RAM	4GB / 1GB RAM8GB / 1GB RAM
Storage Type	NVMe	eMMC
Card Slot	No	No

Cameras	Single camera	—
Modules	12 MP, f/1.8 (wide), PDAF, OIS	No Camera
Features	Quad-LED dual-tone flash, HDR, panorama	—
Video	4K@24/30/60fps, 1080p@30/60/120/240fps, HDR, OIS, stereo sound rec.	—

Cameras	Single camera	—
Modules	7 MP, f/2.2	No Camera
Features	HDR	—
Video	1080p@30fps; 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/6, dual-band, hotspot	Wi-Fi 802.11 b/g/n
Bluetooth	5.0, A2DP, LE	5.0, A2DP, LE
GPS / Positioning	GPS, GLONASS	GPS, GLONASS, GALILEO, BDS
NFC	Yes	Yes
Radio	No	No
USB	Lightning, USB 2.0	No

Fingerprint	Yes (front-mounted)	No
Face Unlock	No Face ID	No
Sensors	Accelerometer, proximity, gyro, compass, barometer	Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
Other Features	—	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	1821 mAh (6.91 Wh) Best	340 mAh (45mm)247 mAh (41mm)
Wired Charging	18W, 50% in 30 min	N/A
Wireless Charging	7.5W (Qi)	Wireless (WPC-based)
Reverse Wireless Charging	Not Supported	N/A

Colours	Black, White, Red	Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Models	A2275, A2296, A2298	SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U
SAR	1.17 W/kg (head) 1.16 W/kg (body)	—
SAR EU	0.98 W/kg (head) 0.99 W/kg (body)	—