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Samsung Galaxy Watch 46mm 4G SM-R805W vs Samsung Galaxy Watch 42mm 4G SM-R815U

Comparison: side by side, pros and cons and the differences between Samsung Galaxy Watch 46mm 4G SM-R805W vs Samsung Galaxy Watch 42mm 4G SM-R815U phones. Which is the best phone?

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Compare Samsung Galaxy Watch X01Samsung Galaxy Watch 46mm 4G SM-R805W
Samsung Galaxy Watch 46mm 4G SM-R805W
1.3"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

472
mAh

(Non removable)

vs
Compare Samsung Galaxy Watch X02Samsung Galaxy Watch 42mm 4G SM-R815U
Samsung Galaxy Watch 42mm 4G SM-R815U
1.3"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

270
mAh

(Non removable)

What's the best smartwatch? The PhoneMore's choice is Samsung Galaxy Watch 42mm 4G SM-R815U

The phonemore's choice is much more technical than personal, so don't just evaluate it. Our goal is to help, but what's important to us may not be important to you. You decide which is the best phone! Comment!


01 Advantages Samsung Galaxy Watch 46mm 4G SM-R805W
Galaxy Watch 46mm 4G SM-R805WvsGalaxy Watch 42mm 4G SM-R815U
 75%75%
+Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
472 mAhvs270 mAh

02 Advantages Samsung Galaxy Watch 42mm 4G SM-R815U
Galaxy Watch 42mm 4G SM-R815UvsGalaxy Watch 46mm 4G SM-R805W
 29%29%
+Lighter
49 grams (1.72 ounces)vs63 grams (2.21 ounces)
 2%2%
+Thinner
12.7 millimeters (0.5 inches)vs13 millimeters (0.51 inches)

29 Common items in both devices
1.15Ghz 64bit Dual-Core
1.5GB LPDDR3
4GB (1.5GB user available)
Stainless steel body, front glass
Super AMOLED
16 million
360x360 pixels
392 PPI
1.3"
4G LTE
10 Mbps
Capacitive
Multitouch
Not supported
Accelerometer
Ambient Light
Gyroscope
Barometer
Heart rate
Pedometer
Li-Ion (Non removable)
Speakerphone
Vibrating alert
A-GPS, GeoTagging, GLONASS
802.11 b/g/n (2.4Ghz)
4.2 version A2DP
NFC
Gorilla Glass DX+
50 meters waterproof, MIL-STD-810G military certified
+ 21 COMMON ITEMS

Check the comparison table below for more items that are not evaluated in comparison score above.

Model and physical featuresSamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
BrandSamsungSamsung
ModelGalaxy Watch 46mm 4G SM-R805WGalaxy Watch 42mm 4G SM-R815U
Also known asGalaxy Watch 46mm (4G LTE) SM-R805WZSAXAC, Samsung GalileoGalaxy Watch 42mm (4G LTE) SM-R815UZDAXAR, Samsung Galileo
Country or region where it's soldCanadaUSA
Release dateAugust, 2018August, 2018
Depth13 millimeters (0.51 inches)12.7 millimeters (0.5 inches)
Size (width x height)46 x 49 millimeters (1.81 x 1.93 in)41.9 x 45.7 millimeters (1.65 x 1.8 in)
Weight63 grams (2.21 ounces)49 grams (1.72 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsStainless steel body, front glassStainless steel body, front glass
Protection against water and others50 meters waterproof
MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant
50 meters waterproof
MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant
Operating system (OS)Samsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
Operating systemTizen 4.0Tizen 4.0
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
Architecture - Chipset64bit - Samsung Exynos 9 Dual 9110 (10nm)64bit - Samsung Exynos 9 Dual 9110 (10nm)
CPU processor1.15Ghz Dual-Core ARM Cortex-A531.15Ghz Dual-Core ARM Cortex-A53
GPU graphical controllerARM Mali-T720 MP1ARM Mali-T720 MP1
RAM memory1.5GB LPDDR31.5GB LPDDR3
Internal storage4GB (1.5GB user available)4GB (1.5GB user available)
External storageNot supportedNot supported
DisplaySamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
Display typeSuper AMOLEDSuper AMOLED
Screen size1.3" inches1.3" inches
Screen-to-body ratio~24.2% (screen-to-body ratio)~28.5% (screen-to-body ratio)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Display resolution360x360 pixels360x360 pixels
Pixel density (dot pitch)392 PPI392 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass DX+Gorilla Glass DX+
Mobile networks and dataSamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
Dual-SIMNot supportedNot supported
SIM card1 slot
e-Sim (Eletronic Sim)
1 slot
e-Sim (Eletronic Sim)
GSM Mhz bandNot supportedNot supported
Primary 2G networkNot supportedNot supported
Primary 3G networkUMTS 850/1700/1900UMTS 850/1700/1900
Primary 4G networkLTE (Bands 2,4,5,12,13,25,26,66)LTE (Bands 2,4,5,12,13,25,26,66)
Primary data networkUMTS, HSDPA, HSUPA, HSPA+, LTEUMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported
Maximum download/upload10 Mbps10 Mbps
Messaging and callingSamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingNot supportedNot supported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
Primary camera / Back cameraSamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
Main cameraNot supportedNot supported
Main camera resolutionNot supportedNot supported
Video recording (primary)Not supportedNot supported
FlashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusNot supportedNot supported
Touch focusNot supportedNot supported
Image stabilizationNot supportedNot supported
ZoomNot supportedNot supported
Face/smile detectionNot supportedNot supported
BSI sensorNot supportedNot supported
HDRNot supportedNot supported
Front camera / Secondary cameraSamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
Front cameraNot supportedNot supported
Front camera resolutionNot supportedNot supported
Video recording (secondary)Not supportedNot supported
Front flashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
MultimediaSamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsfeature not registeredfeature not registered
Audio formatsMP3, WAV, WMA, OGG, eAAC+MP3, WAV, WMA, OGG, eAAC+
Connectivity and interfacesSamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
USBNot supportedNot supported
TV outputNot supportedNot supported
Audio outputNot supportedNot supported
Bluetooth4.2 version A2DP4.2 version A2DP
WiFi802.11 b/g/n (2.4Ghz)802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
Active noise cancellationNot supportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserNot supportedNot supported
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Ambient Light
Gyroscope
Barometer
Heart rate
Pedometer
Accelerometer
Ambient Light
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 Bell and Telus carriers
- 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 Sprint, T-Mobile and Verizon carriers
Power supply and autonomySamsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
Battery technologyLi-Ion (Non removable)
Wireless charging (Qi/WPC)
Li-Ion (Non removable)
Wireless charging (Qi/WPC)
Battery capacity472 mAh270 mAh
Battery model / charger (watts)5V/0.7A=3.5W5V/0.7A=3.5W
Talk timefeature not registeredfeature not registered
Standby4320 minutes | 72 hours | 3 days4320 minutes | 72 hours | 3 days
Specific absorption rate (radiation)Samsung Galaxy Watch 46mm 4G SM-R805WSamsung Galaxy Watch 42mm 4G SM-R815U
SAR USA, Mexico, Colombia1.244 W/Kg (head) | 1.733 W/Kg (body)0.961 W/Kg (head) | 1.786 W/Kg (body)
SAR European Union, UKfeature not registeredfeature not registered