Samsung Galaxy S25 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 Samsung Galaxy S25 to… Cancel	Samsung Samsung Galaxy Watch3 View Specs Change
Brand	Samsung	Samsung
Versions	—	SM-R855F, SM-R845F (Global, LTE model); SM-R855U, SM-R845U (USA, LTE model); SM-R850, SM-R840 (Wi-Fi only)
Announced	2025, January 22	2020, August 05
Released	2025, February 03	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 & TD-SCDMA	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, 32, 38, 39, 40, 41, 66 - International1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 - USA unlocked	1, 3, 5, 7, 8, 20
5G Bands	1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked	—
Speed	HSPA, LTE (CA), 5G	HSPA, LTE

Dimensions	146.9 x 70.5 x 7.2 mm(5.78 x 2.78 x 0.28 in)	45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm
Weight	162 g (5.71 oz)	53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best
Build	Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminium frame	Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel
SIM	· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT· Nano-SIM + eSIM + eSIM (max 2 at a time) - USA· Nano-SIM + Nano-SIM - CN	eSIM (LTE models)
Protection / IP Rating	• IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)• Armor Aluminium 2	IP68 dust/water resistant, 5ATMMIL-STD-810G compliant

Display Type	Dynamic LTPO AMOLED 2X	Super AMOLED
Display Size	6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio) Best	1.4 inches
Resolution	1080 x 2340 pixels, 19.5:9 ratio	360 x 360 pixels
Pixel Density	~416 ppi Best	~364 ppi
Refresh Rate	120Hz Best	60Hz
Peak Brightness	2600 nits (peak)	—
Protection	Corning Gorilla Glass Victus 2	Corning Gorilla Glass DX
Display Features	HDR10+	Always-On-Display

Operating System	Android	Tizen
OS Version	15	5.5
Update Support	Up to 7 major OS updates	—
User Interface	One UI 9	—
Chipset	Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)	Exynos 9110 (10 nm)
CPU	Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)	Dual-core 1.15 GHz Cortex-A53
GPU	Adreno 830 (1200 MHz)	Mali-T720

RAM Options	12GB	1GB
Storage Options	128GB / 12GB RAM256GB / 12GB RAM512GB / 12GB RAM	4GB / 1GB RAM8GB / 1GB RAM
Storage Type	UFS 3.1 - 128GB, UFS 4.0	eMMC
Card Slot	No	No

Cameras	Triple camera	—
Modules	50 MP, f/1.8, 24mm (wide), 1/1.56", 1.0µm, dual pixel PDAF, OIS10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video	No Camera
Features	LED flash, Best Face, auto-HDR, panorama	—
Video	8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS	—

Cameras	Single camera	—
Modules	12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF	No Camera
Features	HDR, HDR10+	—
Video	4K@30/60fps, 1080p@30fps	—

Loudspeaker	Yes, with stereo speakers	Yes
Audio Jack	No	No
Audio Codec	SBC, AAC, aptX, LDAC (Hi-Res)	Not Available
Spatial Audio	Dolby Atmos (System & Gaming)	—

WLAN	Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct	Wi-Fi 802.11 b/g/n
Bluetooth	5.4, A2DP, LE	5.0, A2DP, LE
GPS / Positioning	GPS, GLONASS, BDS, GALILEO, QZSS	GPS, GLONASS, GALILEO, BDS
NFC	Yes	Yes
Radio	No	No
USB	USB Type-C 3.2, DisplayPort 1.2, OTG	No

Fingerprint	Yes (under display, ultrasonic)	No
Face Unlock	Yes, 2D Facial Recognition	No
Sensors	Accelerometer, gyro, proximity, compass, barometer	Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG)
Other Features	Galaxy AI, Samsung DeX, Samsung Wireless DeX (desktop experience support)	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	4000 mAh (typical), 3880 mAh (rated minimum) Best	340 mAh (45mm)247 mAh (41mm)
Wired Charging	25W wired, PD3.0, 50% in 30 min	N/A
Wireless Charging	15W wireless (Qi2 Ready)	Wireless (WPC-based)
Reverse Wireless Charging	4.5W reverse wireless	N/A

Colours	Navy, Icy Blue, Mint, Silver Shadow, Blue Black, Coral Red, Pink Gold	Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium
Models	SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS	SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U
SAR	1.13 W/kg (head) 0.92 W/kg (body)	—
SAR EU	1.29 W/kg (head) 1.36 W/kg (body)	—