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Samsung Galaxy Watch 42mm (SM-R815U) vs Samsung Galaxy Watch 42mm (SM-R815N)

Side by side comparison between Galaxy Watch 42mm (SM-R815U) vs Galaxy Watch 42mm (SM-R815N) smartwatches, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy Watch XSamsung Galaxy Watch 42mm (SM-R815U)00Point
Samsung Galaxy Watch 42mm (SM-R815U)
1.2"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

270
mAh

(Non removable)

vs
00PointSamsung Galaxy Watch 42mm (SM-R815N)Compare Samsung Galaxy Watch X
Samsung Galaxy Watch 42mm (SM-R815N)
1.2"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

270
mAh

(Non removable)

What's the better smartwatch?

The comparison did not identify relevant items because the devices are similar. Check the table below to identify other different features (network frequencies, region and others).


36 Common items in both devices
1.15Ghz 64bit Dual-Core
1.5GB LPDDR3
4GB (1.5GB available)
eMMC
49 grams (1.72 ounces)
12.7 millimeters (0.5 inches)
Stainless steel body, glass front
+29 specs and more in the table below

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

Highlight differencesClear highlight
Physical featuresSamsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
ModelGalaxy Watch 42mm (SM-R815U)Galaxy Watch 42mm (SM-R815N)
Other model namesGalaxy Watch 42mm (4G LTE) SM-R815UZDAXAR, Samsung Galileo갤럭시 워치 42mm (4G LTE) SM-R815NZKASKC, Samsung Galileo
Country or region availableUSA
USA
South Korea
South Korea
BrandSamsungSamsung
Release dateAugust, 2018August, 2018
Depth12.7 millimeters (0.5 inches)12.7 millimeters (0.5 inches)
Size (width x height)41.9 x 45.7 millimeters (1.65 x 1.8 in)41.9 x 45.7 millimeters (1.65 x 1.8 in)
Weight49 grams (1.72 ounces)49 grams (1.72 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsStainless steel body, glass frontStainless steel body, glass front
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.
System (OS)Samsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
Operating systemTizen 4.0Tizen 4.0
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
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 available)
eMMC
4GB (1.5GB available)
eMMC
External storageNot supportedNot supported
DisplaySamsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
Display typeSuper AMOLEDSuper AMOLED
Screen size1.2" inches1.2" inches
Screen-to-body ratio~24.3% (screen-to-body ratio)~24.3% (screen-to-body ratio)
Display resolution360x360 pixels360x360 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)424 PPI424 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass DX+Gorilla Glass DX+
Display featuresfeature not registeredfeature not registered
Mobile networksSamsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
e-SIM (Eletronic)
1 slot (Single-SIM)
e-SIM (Eletronic)
Maximum download/upload10 Mbps10 Mbps
Network technology3G, 4G3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandNot supportedNot supported
Primary 2G networkNot supportedNot supported
Primary 3G networkUMTS 850/1700/1900UMTS 850/1900/2100
Primary 4G networkLTE (Bands 2,4,5,12,13,25,26,66)LTE (Bands 1,3,5,7,8)
Primary 5G networkNot supportedNot supported
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
CallingSamsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
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
CameraSamsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
Back camera (main camera)Not 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
2ª cameraSamsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
Front camera (secondary)Not 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 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsfeature not registeredfeature not registered
Audio formatsMP3, WAV, WMA, OGG, eAAC+MP3, WAV, WMA, OGG, eAAC+
ConnectivitySamsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
USBNot supportedNot supported
TV outputNot supportedNot supported
Audio outputNot supportedNot supported
Bluetooth4.2 + A2DP4.2 + 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 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
Active noise cancellationNot supportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserNot supportedNot supported
SensorsAccelerometer
Ambient Light sensor
Gyroscope
Barometer
Heart rate
Pedometer
Accelerometer
Ambient Light sensor
Gyroscope
Barometer
Heart rate
Pedometer
Other features- 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
- 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
Power supplySamsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
BatteryLi-Ion: Lithium-Ion (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity270 mAh270 mAh
Charger, watts3.5W (5V/0.7A) Standard charging
WPC/Qi Wireless charging
3.5W (5V/0.7A) Standard charging
WPC/Qi Wireless charging
Talk time autonomyfeature not registeredfeature not registered
Standby4320 minutes | 72 hours | 3 days4320 minutes | 72 hours | 3 days
Radiation rateSamsung Galaxy Watch 42mm (SM-R815U)Samsung Galaxy Watch 42mm (SM-R815N)
SAR 1.6W/kg (USA, Mexico, etc.)0.961W/kg (head) | 1.786W/kg (body)0.641W/kg (head) | 1.67W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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