Samsung Galaxy Watch3 vs Samsung Galaxy S25
Specs comparisonAdd 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 | ||
|---|---|---|
| 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) |
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