Samsung Galaxy Watch3 vs Apple iPhone SE (2nd Gen.)

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 Samsung Galaxy Watch3 to… Cancel	Apple Apple iPhone SE (2nd Gen.) 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)	A2296 (Global market)A2275 (USA, Canada, Puerto Rico, U.S. Virgin Islands)A2298 (China)
Announced	2020, August 05	2020, April 15
Released	2020, August 06	2020, April 24
Availability	Available	Available

Technology	GSM / HSPA / LTE	GSM / CDMA / HSPA / EVDO / LTE
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, 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
Speed	HSPA, LTE	HSPA 42.2/5.76 Mbps, LTE (5CA) Cat16 1024/150 Mbps, 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	138.4 x 67.3 x 7.3 mm(5.45 x 2.65 x 0.29 in)
Weight	53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best	148 g (5.22 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
Protection / IP Rating	IP68 dust/water resistant, 5ATMMIL-STD-810G compliant	IP67 dust/water resistant (up to 1m for 30 min)

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

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

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

Cameras	—	Single camera
Modules	No Camera	12 MP, f/1.8 (wide), PDAF, OIS
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	No Camera	7 MP, f/2.2
Features	—	HDR
Video	—	1080p@30fps; 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	5.0, A2DP, LE
GPS / Positioning	GPS, GLONASS, GALILEO, BDS	GPS, GLONASS
NFC	Yes	Yes
Radio	No	No
USB	No	Lightning, USB 2.0

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

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