Physical features | Samsung 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 | August, 2018 | September, 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) |
Qwerty physical keyboard | Not supported | Not supported |
Antenna | Internal antenna | Not supported |
Build, materials | Stainless steel body, glass front | Aluminum body, glass front, plastic composite back |
Protection against water and others | 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | 50 meters waterproof |
System (OS) | Samsung Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) |
Operating system | Tizen 4.0 | WatchOS 4.0 |
Firmware update | feature not registered | WatchOS 5.0 |
Hardware | Samsung Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) |
Chipset | 64bit - Samsung Exynos 9 Dual 9110 (10nm) | 32bit - Apple S3 (28nm) |
CPU processor | 1.15Ghz Dual-Core ARM Cortex-A53 | 1Ghz Dual-Core ARM Cortex-A7 |
GPU graphical controller | ARM Mali-T720 MP1 | PowerVR G6200 |
RAM memory | 1.5GB LPDDR3 | 768MB LPDDR4 |
Internal storage | 4GB (1.5GB available) eMMC | 8GB (5GB available) |
External storage | Not supported | Not supported |
Display | Samsung 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 |
Display features | Not supported | feature not registered |
Mobile networks | Samsung 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 detailsCollapse 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 |
Calling | Samsung Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) |
Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, E-mail |
Speakerphone | Supported | Supported |
Video calling | Not supported | Not supported |
Call control | Voice dialing, Voice recorder, Voice commands | Not supported |
Camera | Samsung 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 |
2ª camera | Samsung 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 |
Multimedia | Samsung Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) |
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 | Samsung Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) |
USB | Not supported | Not supported |
TV output | Not supported | Not supported |
Audio output | Not supported | Not supported |
Bluetooth | 4.2 + A2DP | 4.2 + A2DP |
WiFi | 802.11 b/g/n (2.4Ghz) | 802.11 b/g/n (2.4Ghz) |
DLNA | Not supported | Not supported |
NFC | Supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
Infrared port | Not supported | Not supported |
Other functions | Samsung Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) |
Active noise cancellation | Not supported | Not supported |
Vibrating alert | Supported | Supported |
Ringtones | Polyphonic and customized | feature not registered |
Web browser | Not supported | Not supported |
Sensors | Accelerometer Ambient Light sensor Gyroscope Barometer Heart rate Pedometer
| Accelerometer Ambient Light sensor Gyroscope Barometer Heart rate Pedometer
|
Other features | - 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 |
Power supply | Samsung Galaxy Watch (46mm SM-R805U) | Apple Watch 3 Aluminum (38mm) |
Battery | Li-Ion: Lithium-Ion (Non removable) | Li-Ion: Lithium-Ion (Non removable) |
Battery capacity | 472 mAh | 279 mAh |
Charger, watts | 3.5W (5V/0.7A) Standard charging Qi wireless charging | Standard charging Magnetic charging (dock) |
Talk time autonomy | feature not registered | 1080 minutes | 18 hours | 0.8 day |
Standby | 4320 minutes | 72 hours | 3 days | feature not registered |
Radiation rate | Samsung 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 |