Samsung Galaxy Watch3 vs Samsung Galaxy S25

Specs comparison

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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 2020, August 05 2025, January 22
Released 2020, August 06 2025, February 03
Availability Available Available
Technology GSM / HSPA / LTE GSM / CDMA / HSPA / EVDO / LTE / 5G
2G Bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900CDMA 800 / 1900 & TD-SCDMA
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, 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
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 HSPA, LTE (CA), 5G
Dimensions 45mm: 45 x 46.2 x 11.1 mm41mm: 41 x 42.5 x 11.3 mm 146.9 x 70.5 x 7.2 mm(5.78 x 2.78 x 0.28 in)
Weight 53.8 g (45mm stainless steel), 48.2 g (41mm stainless steel), 43 g (45mm titanium) Best 162 g (5.71 oz)
Build Glass front (Gorilla Glass DX), stainless steel 316L or titanium frame, rotating bezel Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminium frame
SIM eSIM (LTE models) · 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
Protection / IP Rating IP68 dust/water resistant, 5ATMMIL-STD-810G compliant • IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)• Armor Aluminium 2
Display Type Super AMOLED Dynamic LTPO AMOLED 2X
Display Size 1.4 inches 6.2 inches, 94.4 cm2 (~91.1% screen-to-body ratio) Best
Resolution 360 x 360 pixels 1080 x 2340 pixels, 19.5:9 ratio
Pixel Density ~364 ppi ~416 ppi Best
Refresh Rate 60Hz 120Hz Best
Peak Brightness — 2600 nits (peak)
Protection Corning Gorilla Glass DX Corning Gorilla Glass Victus 2
Display Features Always-On-Display HDR10+
Operating System Tizen Android
OS Version 5.5 15
Update Support — Up to 7 major OS updates
User Interface — One UI 9
Chipset Exynos 9110 (10 nm) Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU Dual-core 1.15 GHz Cortex-A53 Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU Mali-T720 Adreno 830 (1200 MHz)
RAM Options 1GB 12GB
Storage Options 4GB / 1GB RAM8GB / 1GB RAM 128GB / 12GB RAM256GB / 12GB RAM512GB / 12GB RAM
Storage Type eMMC UFS 3.1 - 128GB, UFS 4.0
Card Slot No No
Cameras — Triple camera
Modules No Camera 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
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 No Camera 12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
Features — HDR, HDR10+
Video — 4K@30/60fps, 1080p@30fps
Loudspeaker Yes Yes, with stereo speakers
Audio Jack No No
Audio Codec Not Available SBC, AAC, aptX, LDAC (Hi-Res)
Spatial Audio — Dolby Atmos (System & Gaming)
WLAN Wi-Fi 802.11 b/g/n Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE 5.4, A2DP, LE
GPS / Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, BDS, GALILEO, QZSS
NFC Yes Yes
Radio No No
USB No USB Type-C 3.2, DisplayPort 1.2, OTG
Fingerprint No Yes (under display, ultrasonic)
Face Unlock No Yes, 2D Facial Recognition
Sensors Accelerometer, gyro, barometer, light, optical heart rate, electrical heart (ECG) Accelerometer, gyro, proximity, compass, barometer
Other Features ECG certifiedBlood pressure monitorCompatible with standard 22mm (45mm) / 20mm (41mm) strapsSizes: 41mm, 45mm; Bluetooth and LTE versions Galaxy AI, Samsung DeX, Samsung Wireless DeX (desktop experience support)
Battery Type Li-Ion Li-Ion
Battery Capacity 340 mAh (45mm)247 mAh (41mm) 4000 mAh (typical), 3880 mAh (rated minimum) Best
Wired Charging N/A 25W wired, PD3.0, 50% in 30 min
Wireless Charging Wireless (WPC-based) 15W wireless (Qi2 Ready)
Reverse Wireless Charging N/A 4.5W reverse wireless
Colours Mystic Bronze, Mystic Black, Mystic Silver: Stainless Steel; Mystic Black: Titanium Navy, Icy Blue, Mint, Silver Shadow, Blue Black, Coral Red, Pink Gold
Models SM-R840, SM-R850, SM-R845F, SM-R855F, SM-R845U, SM-R855U SM-S931B, SM-S931B/DS, SM-S931U, SM-S931U1, SM-S931W, SM-S931N, SM-S9310, SM-S931E, SM-S931E/DS
SAR — 1.13 W/kg (head) 0.92 W/kg (body)
SAR EU — 1.29 W/kg (head) 1.36 W/kg (body)