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Samsung Galaxy Watch (46mm SM-R805U) vs Samsung Galaxy Watch (42mm SM-R810)

Side by side comparison between Galaxy Watch (46mm SM-R805U) vs Galaxy Watch (42mm SM-R810) smartwatches, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy Watch XSamsung Galaxy Watch (46mm SM-R805U)05Points
Samsung Galaxy Watch (46mm SM-R805U)
1.3"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

472
mAh

(Non removable)

vs
03PointsSamsung Galaxy Watch (42mm SM-R810)Compare Samsung Galaxy Watch X
Samsung Galaxy Watch (42mm SM-R810)
1.2"
AMOLED

360x360

N/A
MP

768MB
RAM

64bit Dual

270
mAh

(Non removable)

What's the better smartwatch? Samsung Galaxy Watch (46mm SM-R805U)

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!

Galaxy Watch (46mm SM-R805U)5 Advantages Samsung Galaxy Watch (46mm SM-R805U)vsGalaxy Watch (42mm SM-R810)3 Advantages Samsung Galaxy Watch (42mm SM-R810)
+1.5GB LPDDR3100%
More RAM memory. Typically more responsive and better for multitasking.
vs768MB LPDDR3
+1.3"8%
Larger screen
vs1.2"
+4G LTEAdvantage
The 4G LTE network is newer and faster
vsNot supported
+(4G LTE) 10 MbpsAdvantage
Faster for surfing the internet and download files
vs(Not supported)
+472 mAh75%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs270 mAh
63 grams (2.21 ounces)vs+49 grams (1.72 ounces)29%
Lighter
13 millimeters (0.51 inches)vs+12.7 millimeters (0.5 inches)2%
Thinner
392 PPIvs+424 PPI8%
Crisper display of text, images and videos because it has more pixels per inch (ppi)

28 Common items in both devices
1.15Ghz 64bit Dual-Core
4GB (1.5GB available)
eMMC
Stainless steel body, glass front
Super AMOLED
16 million
360x360 pixels
+21 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 (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
ModelGalaxy Watch (46mm SM-R805U)Galaxy Watch (42mm SM-R810)
Other model namesGalaxy Watch 46mm (4G LTE) SM-R805UZSAXAR, Samsung GalileoGalaxy Watch 42mm Bluetooth SM-R810NZDAXAR, Samsung Galileo
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungSamsung
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, 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 (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
Operating systemTizen 4.0Tizen 4.0
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy Watch (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
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 LPDDR3768MB LPDDR3
Internal storage4GB (1.5GB available)
eMMC
4GB (1.5GB available)
eMMC
External storageNot supportedNot supported
DisplaySamsung Galaxy Watch (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
Display typeSuper AMOLEDSuper AMOLED
Screen size1.3" inches1.2" inches
Screen-to-body ratio~24.2% (screen-to-body ratio)~24.3% (screen-to-body ratio)
Display resolution360x360 pixels (1:1)360x360 pixels (1:1)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)392 PPI424 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass DX+Gorilla Glass DX+
Display featuresNot supportedNot supported
Mobile networksSamsung Galaxy Watch (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
e-SIM (Eletronic)
Not supported
Maximum download/upload10 Mbpsfeature not registered
Network technology3G, 4Gfeature not registered
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandNot supportedNot supported
Primary 2G networkNot supportedNot supported
Primary 3G networkUMTS 850/1700/1900Not supported
Primary 4G networkLTE (Bands 2,4,5,12,13,25,26,66)Not supported
Primary 5G networkNot supportedNot supported
Primary data networkUMTS, HSDPA, HSUPA, HSPA+, LTENot supported
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported
CallingSamsung Galaxy Watch (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
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 (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
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 (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
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 (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4MP4
Audio formatsMP3, WAV, WMA, OGG, eAAC+MP3, WAV, WMA, OGG, eAAC+
ConnectivitySamsung Galaxy Watch (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
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 (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
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: 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: Midnight Black, Rose Gold
- Straps: Black, Grey, Red, Yellow, Purple, Pink, Brown
- Compatible with standard 20mm straps
- Always-on display
- Rotating bezel
- Samsung Pay
Power supplySamsung Galaxy Watch (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
BatteryLi-Ion: Lithium-Ion (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity472 mAh270 mAh
Charger, watts3.5W (5V/0.7A) Standard charging
Qi wireless charging
3.5W (5V/0.7A) Standard charging
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 (46mm SM-R805U)Samsung Galaxy Watch (42mm SM-R810)
SAR 1.6W/kg (USA, Mexico, etc.)1.244W/kg (head) | 1.733W/kg (body)0.13W/kg (head) | 0.33W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.037W/kg (head) | 0.159W/kg (body)
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