Apple Watch 3 Aluminum (38mm) vs Samsung Galaxy Watch (42mm SM-R815F)
Side by side comparison between Apple Watch 3 Aluminum vs Samsung Galaxy Watch smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.5"
AMOLED
AMOLED
340x272
N/A
768MB
RAM
RAM
Dual-core
279
mAh
mAh
(Non removable)
vs
1.2"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
270
mAh
mAh
(Non removable)
What's the better smartwatch? Samsung Galaxy Watch (42mm SM-R815F)
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!
6 Advantages 
8 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 | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| Model | Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) |
| Other model names | Apple Watch Series 3 A1858 GPS 8GB, Apple Watch S3, iWatch | Galaxy Watch 42mm (4G LTE) SM-R815FZDAAMO, Samsung Galileo |
| Country or region available |  (Global, International) |        (Europe), South Africa, Saudi Arabia, Australia, Israel, Singapore, Taiwan |
| Brand | Apple | Samsung |
| Release date | 9/22/2017 | 8/9/2018 |
| Depth | 11.4 millimeters (0.45 inches) | 12.7 millimeters (0.5 inches) |
| Size (width x height) | 33.3 x 38.6 millimeters (1.31 x 1.52 in) | 41.9 x 45.7 millimeters (1.65 x 1.8 in) |
| Weight | 27 grams (.95 ounces) | 49 grams (1.72 ounces) |
| Build, materials | Aluminum body, glass front, plastic composite back | Stainless steel body, glass front |
| Protection against water and others | 5 ATM: 50 meters waterproof | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 1.5" inches | 1.2" inches |
| Screen-to-body ratio | ~55.1% (screen-to-body ratio) | ~24.3% (screen-to-body ratio) |
| Display resolution | 340x272 pixels | 360x360 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 290 PPI | 424 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Scratch-resistant glass | Gorilla Glass DX+ |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| System version | WatchOS 4.0 | Tizen 4.0 |
| Firmware update | WatchOS 5.0 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| Chipset | 32bit: Apple S3 (28nm) | 64bit: Samsung Exynos 9110 (10nm) |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | PowerVR G6200 | ARM Mali-T720 MP1 (667MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| RAM memory | 768MB LPDDR4 | 1.5GB LPDDR4 |
| Internal storage | 8GB (5GB available) | 4GB (1.5GB available) eMMC 5.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | Not supported | 1 slot (Single-SIM) e-SIM (Eletronic) |
| Maximum Download / Upload | feature not registered | 10 Mbps |
| Network technology | feature not registered | 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Not supported | Not supported |
| Primary 2G network | Not supported | Not supported |
| Primary 3G network | Not supported | UMTS 900/1900 |
| Primary 4G network | Not supported | LTE (Bands 1,3,7,8,20) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | Not supported | UMTS, HSDPA, HSUPA, HSPA+, LTE |
| 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 | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| 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 | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| 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 | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 1 microphone |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4 |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| 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 | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 279 mAh | 270 mAh |
| Charger, watts | Wired charging | 3.5W (5V/7A) Wired charging |
| Inductive / wireless charging | Magnetic charging (dock) | Qi wireless charging |
| Talk time autonomy | 18 hours | feature not registered |
| Standby | feature not registered | 72 hours (3 days) |
➕ Other features | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| Call control | Not supported | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | feature not registered | Polyphonic and customized |
| Web browser | Not supported | Not supported |
| Antenna | Not supported | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Silver, Gold, Space Gray • Sport Band or Nike Sport Band • 1000 nits screen • 3D Touch display • Siri | • Colors: Midnight Black, Rose Gold • Straps: Black, Grey, Red, Yellow, Purple, Pink, Brown • Compatible with standard 20mm straps • Always-on display • Rotating bezel • Samsung Pay |
☢️ Radiation rate | ||
| Apple Watch 3 Aluminum (38mm) | Galaxy Watch (42mm SM-R815F) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.17W/kg (head), 0.03W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.383W/kg (head), 0.383W/kg (body) |