Skip to content

Samsung Gear S3 classic (4G SM-R775T) vs Samsung Galaxy Watch (42mm SM-R815W)

Side by side comparison between Samsung Gear S3 classic vs Samsung Galaxy Watch smartwatches, differences, pros, cons with full specifications. What's the better?

,
Compare Samsung Galaxy Watch XSamsung Gear S3 classic (4G SM-R775T)05Points
Samsung Gear S3 classic (4G SM-R775T)
1.3"
AMOLED

360x360

N/A
MP

768MB
RAM

64bit Dual

380
mAh

(Non removable)

vs
06PointsSamsung Galaxy Watch (42mm SM-R815W)Compare Samsung Gear S3 classic X
Samsung Galaxy Watch (42mm SM-R815W)
1.2"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

270
mAh

(Non removable)

What's the better smartwatch? Samsung Galaxy Watch (42mm SM-R815W)

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!


24 Common items in both devices
Stainless steel body, glass front
Super AMOLED
16 million
360x360 pixels
4G LTE
Capacitive
Multitouch
+17 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 Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
ModelGear S3 classic (4G SM-R775T)Galaxy Watch (42mm SM-R815W)
Other model namesT-Mobile Samsung Gear S3 R775T, Gear S3 classic LTEGalaxy Watch 42mm (4G LTE) SM-R815WZDAXAC, Samsung Galileo
Country or region availableUSA
USA
Canada
Canada
BrandSamsungSamsung
Release dateMarch, 2017August, 2018
Depth12.9 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)
Weight57 grams (2 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 othersIP68 certified: dust/waterproof over 1.5 meters and 30min.
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 Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
Operating systemTizen 2.3.2Tizen 4.0
Firmware updateTizen 3.0feature not registered
HardwareSamsung Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
Chipset64bit - Samsung Exynos 7 Dual 7270 (14nm)64bit - Samsung Exynos 9 Dual 9110 (10nm)
CPU processor1Ghz Dual-Core ARM Cortex-A531.15Ghz Dual-Core ARM Cortex-A53
GPU graphical controllerARM Mali-T720ARM Mali-T720 MP1
RAM memory768MB LPDDR31.5GB LPDDR3
Internal storage4GB (2GB available)4GB (1.5GB available)
eMMC
External storageNot supportedNot supported
DisplaySamsung Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
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 pixels360x360 pixels (1:1)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)392 PPI424 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass SR+Gorilla Glass DX+
Display featuresfeature not registeredNot supported
Mobile networksSamsung Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
e-SIM (Eletronic)
1 slot (Single-SIM)
e-SIM (Eletronic)
Maximum download/upload150/50 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 850/1700/1900
Primary 4G networkLTE Cat4 850/1700/1900 (Bands 2,4,5)LTE (Bands 2,4,5,12,13,25,26,66)
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 Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
MessagingSMS, 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 Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
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 Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
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 Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsfeature not registeredMP4
Audio formatsMP3, WAV, WMA, OGG, eAAC+MP3, WAV, WMA, OGG, eAAC+
ConnectivitySamsung Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
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 Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
Active noise cancellationSupportedNot 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
- Leather band strap (22mm)
- Stainless Steel body 316L
- Samsung Pay
- S-Voice, S-Health
- 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 Bell and Telus carriers
Power supplySamsung Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
BatteryLi-Ion: Lithium-Ion (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity380 mAh270 mAh
Charger, watts Standard charging
WPC/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 Gear S3 classic (4G SM-R775T)Samsung Galaxy Watch (42mm SM-R815W)
SAR 1.6W/kg (USA, Mexico, etc.)1.073W/kg (head) | 1.381W/kg (body)0.961W/kg (head) | 1.786W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.