Samsung Galaxy Watch (46mm SM-R805U) vs Apple Watch 3 Aluminum (38mm)
Side by side comparison between Samsung Galaxy Watch vs Apple Watch 3 Aluminum smartwatches, 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
1.5"
AMOLED
AMOLED
340x272
N/A
768MB
RAM
RAM
Dual-core
279
mAh
mAh
(Non removable)
What's the better smartwatch? Samsung Galaxy Watch (46mm SM-R805U)
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!
9 Advantages 
5 Advantages | 20 Common items in both devices |
| 16 million |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Barometer |
| Gyroscope |
| +13 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-R805U) | Apple Watch 3 Aluminum (38mm) | |
| Model | Galaxy Watch (46mm SM-R805U) | Watch 3 Aluminum (38mm) |
| Other model names | Galaxy Watch 46mm (4G LTE) SM-R805UZSAXAR, Samsung Galileo | Apple Watch Series 3 A1858 GPS 8GB, Apple Watch S3, iWatch |
| Country or region available |  USA |  (Global, International) |
| Brand | Samsung | Apple |
| Release date | 8/9/2018 | 9/22/2017 |
| Depth | 13 millimeters (0.51 inches) | 11.4 millimeters (0.45 inches) |
| Size (width x height) | 46 x 49 millimeters (1.81 x 1.93 in) | 33.3 x 38.6 millimeters (1.31 x 1.52 in) |
| Weight | 63 grams (2.21 ounces) | 27 grams (.95 ounces) |
| Build, materials | Stainless steel body, glass front | Aluminum body, glass front, plastic composite 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. | 5 ATM: 50 meters waterproof |
📲 Display | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| Display type | Super AMOLED | AMOLED |
| Screen size | 1.3" inches | 1.5" inches |
| Screen-to-body ratio | ~24.2% (screen-to-body ratio) | ~55.1% (screen-to-body ratio) |
| Display resolution | 360x360 pixels (1:1) | 340x272 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 392 PPI | 290 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass DX+ | Scratch-resistant glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | Not supported | feature not registered |
🤖 Operating System | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| System version | Tizen 4.0 | WatchOS 4.0 |
| Firmware update | feature not registered | WatchOS 5.0 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| Chipset | 64bit: Samsung Exynos 9110 (10nm) | 32bit: Apple S3 (28nm) |
| CPU | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) |
| GPU graphical controller | ARM Mali-T720 MP1 (667MHz) | PowerVR G6200 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| RAM memory | 1.5GB LPDDR4 | 768MB LPDDR4 |
| Internal storage | 4GB (1.5GB available) eMMC 5.1 | 8GB (5GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) e-SIM (Eletronic) | Not supported |
| Maximum Download / Upload | 10 Mbps | feature not registered |
| Network technology | 3G, 4G | feature not registered |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Not supported |
| Primary 2G network | Not supported | Not supported |
| Primary 3G network | UMTS 850/1700/1900 | Not supported |
| Primary 4G network | LTE (Bands 2,4,5,12,13,25,26,66) | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | UMTS, HSDPA, HSUPA, HSPA+, LTE | Not supported |
| 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-R805U) | Apple Watch 3 Aluminum (38mm) | |
| Back camera (main camera) | Not supported | Not supported |
| Main camera resolution | Not supported | Not supported |
| Video recording (primary) | Not supported | Not supported |
| Flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Not supported |
| Touch focus | Not supported | Not supported |
| Image stabilization | Not supported | Not supported |
| Zoom | Not supported | Not supported |
| Face/smile detection | Not supported | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 1 microphone | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4 | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, OGG, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| USB | Not supported | Not supported |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.2 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 472 mAh | 279 mAh |
| Charger, watts | 3.5W (5V/7A) Wired charging | Wired charging |
| Inductive / wireless charging | Qi wireless charging | Magnetic charging (dock) |
| Talk time autonomy | feature not registered | 18 hours |
| Standby | 72 hours (3 days) | feature not registered |
➕ Other features | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Not supported |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | feature not registered |
| Web browser | Not supported | Not supported |
| Antenna | Internal antenna | Not supported |
| 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 Sprint, T-Mobile and Verizon carriers | • Colors: Silver, Gold, Space Gray • Sport Band or Nike Sport Band • 1000 nits screen • 3D Touch display • Siri |
☢️ Radiation rate | ||
| Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.244W/kg (head), 1.733W/kg (body) | 0.17W/kg (head), 0.03W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |