Samsung Galaxy Watch (42mm SM-R815N) vs Huawei Mate 20 RS Porsche (512GB)
Side by side comparison between Samsung Galaxy Watch vs Huawei Mate 20 RS Porsche devices, differences, pros, cons and full specifications. What's the better?
,
1.2"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
270
mAh
mAh
(Non removable)
vs
6.39"
AMOLED
AMOLED
1440x3120
40
MP
MP
24mp
8GB
RAM
RAM
Octa-core
4200
mAh
mAh
(Non removable)
What's the better device? Huawei Mate 20 RS Porsche (512GB)
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 
28 Advantages | 13 Common items in both devices |
| 16 million |
| 4G LTE / 4G LTE-A |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| Barometer |
| +6 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 (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| Model | Galaxy Watch (42mm SM-R815N) | Mate 20 RS Porsche (512GB) |
| Other model names | 갤럭시 워치 42mm (4G LTE) SM-R815NZKASKC, Samsung Galileo | Huawei Mate 20 RS Porsche Design LYA-AL00P, Huawei Laya |
| Country or region available |  South Korea |  China |
| Brand | Samsung | Huawei |
| Release date | 8/1/2018 | 12/1/2018 |
| Depth | 12.7 millimeters (0.5 inches) | 9.7 millimeters (0.38 inches) |
| Size (width x height) | 41.9 x 45.7 millimeters (1.65 x 1.8 in) | 72.3 x 157.8 millimeters (2.85 x 6.21 in) |
| Weight | 49 grams (1.72 ounces) | 187 grams (6.55 ounces) |
| Build, materials | Stainless steel body, glass front | Aluminum frame, glass front, leather and glass 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 (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| Display type | Super AMOLED | AMOLED |
| Screen size | 1.2" inches | 6.39" inches |
| Screen-to-body ratio | ~24.3% (screen-to-body ratio) | ~87.9% (screen-to-body ratio) |
| Display resolution | 360x360 pixels (1:1) | 1440x3120 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 538 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 (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| System version | Tizen 4.0 | Android 9.0 Pie |
| Firmware update | feature not registered | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| Chipset | 64bit: Samsung Exynos 9 Dual 9110 (10nm) | 64bit: HiSilicon Kirin 980 (7nm) |
| CPU | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) | Octa-core, 3 processors: 2x 2.26GHz ARM Cortex-A76 (Dual-core) 2x 1.92GHz ARM Cortex-A76 (Dual-core) 4x 1.8GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | ARM Mali-T720 MP1 | ARM Mali-G76 MP10 720Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| RAM memory | 1.5GB LPDDR3 | 8GB LPDDR4X |
| Internal storage | 4GB (1.5GB available) eMMC | 512GB (494GB available) UFS 2.1 |
| External storage | Not supported | Until 256GB nano-Memory (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same nano-Memory slot) |
| SIM card | 1 slot (Single-SIM) e-SIM (Eletronic) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 10 Mbps | 1400/200 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, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE (Bands 1,3,5,7,8) | LTE Cat21 (Bands 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26, 28, 32) TD-LTE (Bands 34, 38, 39, 40) VoLTE |
| 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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat21 (Bands 1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 17, 18, 19, 20, 26, 28) TD-LTE (Bands 34, 38, 39, 40) |
| Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| Back camera (main camera) | Not supported | (triple camera) 40 megapixels 20MP ultrawide f/2.216mm1/2.7"PDAF 8MP telephoto f/2.41/4"80mmPDAFOIS5x-optical-zoom |
| Main camera resolution | Not supported | 7296x5472 pixels |
| Video recording (primary) | Not supported | 4K UHD (3840x2160) 30 fps |
| Flash | Not supported | Dual-LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 27mm lens |
| Sensor size | feature not registered | 1/1.7" inches |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Not supported | Supported |
| Image stabilization | Not supported | EIS: Digital stabilization |
| Zoom | Not supported | Digital and optical zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| Front camera (secondary) | Not supported | (dual front camera) 24 megapixels 0.3MP TOF 3D |
| Front camera resolution | Not supported | 5632x4224 pixels |
| Video recording (secondary) | Not supported | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4 | MP4, H.265, H.264, H.263, DivX, XviD, WMV |
| Audio formats | MP3, WAV, WMA, OGG, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| USB | Not supported | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | Not supported | Type-C jack with 3.5mm jack adapter |
| TV output | Not supported | USB Type-C SlimPort® |
| 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, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate Pedometer | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 270 mAh | 4200 mAh |
| Charger, watts | 3.5W (5V/0.7A) Wired charging | 40W (10V/4A) Wired fast charging |
| Inductive / wireless charging | Qi wireless charging | 15W Qi wireless charging Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | 72 hours (3 days) | feature not registered |
➕ Other features | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| 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: Midnight Black, Rose Gold • Straps: Black, Grey, Red, Yellow, Purple, Pink, Brown • Compatible with standard 20mm straps • Always-on display • Rotating bezel • Samsung Pay • Compatible with KT, LG U+, SKT carriers in Korea | • Colors: Black, Red • EMUI 9.0 • 19.5:9 / DCI-P3 / HDR10 display • Leica camera lens • 32-bit/384kHz audio • Wireless charging: 15W |
☢️ Radiation rate | ||
| Galaxy Watch (42mm SM-R815N) | Huawei Mate 20 RS Porsche (512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.641W/kg (head), 1.67W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |