Samsung Galaxy Watch (46mm SM-R805W) vs Samsung Galaxy S8 Plus (SM-G955U)
Side by side comparison between Samsung Galaxy Watch vs Samsung Galaxy S8 Plus devices, differences, pros, cons and full specifications. What's the better?
,
1.3"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
472
mAh
mAh
(Non removable)
vs
6.2"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
What's the better device? Samsung Galaxy S8 Plus (SM-G955U)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
4 Advantages 
31 Advantages | 15 Common items in both devices |
| Super AMOLED |
| 16 million |
| 4G LTE / 4G LTE-A |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +8 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| Model | Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) |
| Other model names | Galaxy Watch 46mm (4G LTE) SM-R805WZSAXAC, Samsung Galileo | Galaxy S8+ G955U Unlocked (Snapdragon), Samsung Dream 2 |
| Country or region available |  Canada |  USA |
| Brand | Samsung | Samsung |
| Release date | 8/1/2018 | 4/21/2017, Announced: 3/29/2017 |
| Depth | 13 millimeters (0.51 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 46 x 49 millimeters (1.81 x 1.93 in) | 73.4 x 160 millimeters (2.89 x 6.3 in) |
| Weight | 63 grams (2.21 ounces) | 173 grams (6.06 ounces) |
| Build, materials | Stainless steel body, glass front | Aluminum frame, glass front/back |
| Protection against water and others | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 1.3" inches | 6.2" inches |
| Screen-to-body ratio | ~24.2% (screen-to-body ratio) | ~83.1% (screen-to-body ratio) |
| Display resolution | 360x360 pixels (1:1) | 1440x2960 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 392 PPI | 531 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass DX+ | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | Not supported | HDR10 |
🤖 Operating System | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| System version | Tizen 4.0 | Android 7.0 Nougat |
| Firmware update | feature not registered | Android 9.0 Pie |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| Chipset | 64bit: Samsung Exynos 9 Dual 9110 (10nm) | 64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm) |
| CPU | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) | Octa-core, 2 processors: 4x 2.35GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core) |
| GPU graphical controller | ARM Mali-T720 MP1 | Qualcomm Adreno 540 (670-710MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| RAM memory | 1.5GB LPDDR3 | 4GB LPDDR4 |
| Internal storage | 4GB (1.5GB available) eMMC | 64GB (51GB available) UFS 2.0 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) e-SIM (Eletronic) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 10 Mbps | 1024/150 Mbps |
| Network technology | 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Quad-Band 850/900/1800/1900 |
| Primary 2G network | Not supported | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1700/1900 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE (Bands 2,4,5,12,13,25,26,66) | LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 29, 30) TD-LTE (38, 39, 40, 41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| Back camera (main camera) | Not supported | 12.2 megapixels |
| Main camera resolution | Not supported | 4032x3024 pixels |
| Video recording (primary) | Not supported | 4K UHD (3840x2160) 30 fps |
| Flash | Not supported | LED flash |
| Focal aperture | feature not registered | f/1.7 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2.55" inches |
| Pixel size | feature not registered | 1.4µm pixel |
| Autofocus | Not supported | PDAF on back camera and autofocus front camera |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | OIS: Optical stabilization |
| Zoom | Not supported | Only digital zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | Not supported | HDR photo/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| Front camera (secondary) | Not supported | 8 megapixels |
| Front camera resolution | Not supported | 3264x2448 pixels |
| Video recording (secondary) | Not supported | 2K UHD (2560x1440) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/1.7 (aperture) |
| Focal length | feature not registered | 25mm lens |
| Sensor size | feature not registered | 1/3.6" inches |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4 | MP4, H.265, H.264, H.263, DivX, XviD |
| Audio formats | MP3, WAV, WMA, OGG, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| USB | Not supported | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | Not supported | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 472 mAh | 3500 mAh |
| Charger, watts | 3.5W (5V/0.7A) Wired charging | 15W (9V/1.67A) Wired fast charging Quick Charge 2 |
| Inductive / wireless charging | Qi wireless charging | Qi wireless charging (Qi/PMA) |
| Talk time autonomy | feature not registered | 34 hours (1.4 days) |
| Standby | 72 hours (3 days) | 343 hours (14.3 days) |
➕ Other features | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | Not supported | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Silver • Straps: Onyx Black, Deep Ocean Blue, Basalt Grey • Compatible with standard 22mm straps • Always-on display • Rotating bezel • Samsung Pay • Compatible with Bell and Telus carriers | • Colors: Black, Silver, Blue, Gold, Orchid Gray • Samsung DeX (desktop experience) • Curved edge screen • Corning Gorilla Glass 5 back panel • Samsung Gear VR compatible • Samsung Pay • 32bit/192kHz audio |
☢️ Radiation rate | ||
| Galaxy Watch (46mm SM-R805W) | Galaxy S8 Plus (SM-G955U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.244W/kg (head), 1.733W/kg (body) | 0.46W/kg (head), 1.01W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |