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Samsung Galaxy Watch Active 2 (40mm SM-R835U) vs Samsung Gear S2 (3G SM-R730T)

Side by side comparison between Samsung Galaxy Watch Active 2 vs Samsung Gear S2 smartwatches, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Gear S2 XSamsung Galaxy Watch Active 2 (40mm SM-R835U)11Points
Samsung Galaxy Watch Active 2 (40mm SM-R835U)
1.2"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

247
mAh

(Non removable)

vs
Samsung Gear S2 (3G SM-R730T)
1.2"
AMOLED

360x360

N/A
MP

512MB
RAM

32bit Dual

300
mAh

(Non removable)

What's the better smartwatch? Samsung Galaxy Watch Active 2 (40mm SM-R835U)

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!


19 Common items in both devices
Super AMOLED
16 million
360x360 pixels
424 PPI
1.2"
Capacitive
Multitouch
+12 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

📱 Model features

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
ModelGalaxy Watch Active 2 (40mm SM-R835U)Gear S2 (3G SM-R730T)
Other model namesGalaxy Watch Active2 4G LTE SM-R835U (Stainless Steel)T-Mobile Samsung Gear S2 SM-R730T, Samsung Orbis
Country or region availableUSA
USA
USA
USA
BrandSamsungSamsung
Release date9/1/201911/1/2015
Depth10.9 millimeters (0.43 inches)13.4 millimeters (0.53 inches)
Size (width x height)40 x 40 millimeters (1.57 x 1.57 in)44 x 51.8 millimeters (1.73 x 2.04 in)
Weight37 grams (1.3 ounces)51 grams (1.79 ounces)
Build, materialsStainless steel body, glass frontfeature not registered
Protection against water and others5 ATM: 50 meters waterproof.
MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
Waterproof (IP?)

🤖 Operating System

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
System versionTizen 4.0Tizen 2.3
Firmware updatefeature not registeredTizen 2.3.2
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
Chipset64bit - Samsung Exynos 9 Dual 9110 (10nm)32bit - Qualcomm Snapdragon 400 MSM8x26
CPUDual-Core, 1 processor:
1.15GHz Dual-Core ARM Cortex-A53
Dual-Core, 1 processor:
1GHz Dual-Core ARM Cortex-A7
GPU graphical controllerARM Mali-T720 MP1Qualcomm Adreno 305
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
RAM memory1.5GB LPDDR3512MB
Internal storage4GB (1.39GB available)
eMMC
4GB (2GB available)
External storageNot supportedNot supported

📲 Display

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
Display typeSuper AMOLEDSuper AMOLED
Screen size1.2" inches1.2" inches
Screen-to-body ratio~29% (screen-to-body ratio)~20.4% (screen-to-body ratio)
Display resolution360x360 pixels (1:1)360x360 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)424 PPI424 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass DX+Gorilla Glass 3
Display featuresNot supportedfeature not registered

📶 Mobile networks

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
e-SIM (Eletronic)
1 slot (Single-SIM)
e-SIM (Eletronic)
Maximum download/upload150/50 Mbps21/5.76 Mbps
Network technology2G, 3G, 4G2G, 3G
Frequency, bandsExpand band detailsCollapse details
GSM MHz bandQuad-Band 850/900/1800/1900Dual-Band 850/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/1900
Primary 3G networkUMTS 850/900/2100UMTS 850/1900
Primary 4G networkLTE Cat4 (1, 3, 5, 7, 8, 20)Not supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
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 supportedfeature not registered
ZoomNot supportedNot supported
Face/smile detectionNot supportedNot supported
BSI sensorNot supportedNot supported
HDRNot supportedNot supported
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
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

🔉 Sound and multimedia

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
LoudspeakerSupportedSupported
Active noise cancellationNot supportedNot supported
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4feature not registered
Audio formatsMP3, WAV, WMA, OGG, eAAC+MP3, WAV, WMA, eAAC+

🔌 Connectivity

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
USBNot supportedNot supported
Audio outputNot supportedNot supported
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE4.1 + A2DP
WiFi802.11 b/g/n (2.4Ghz)802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
SensorsAccelerometer
Ambient Light sensor
Barometer
Heart rate
Pedometer
VO2 max
Accelerometer
Ambient Light sensor
Barometer
Gyroscope
Heart rate
Vibrating alertSupportedSupported

🔋 Battery

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
Battery typeLi-Ion: Lithium-Ion (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity247 mAh300 mAh
Charger, watts Standard charging
Qi wireless charging
Standard charging
Talk time autonomy43 hours (1.8 days)5 hours
Standbyfeature not registered48 hours (2 days)

➕ Other features

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS, MMS, E-mail
Hands-free callingSupportedSupported
Video callingNot supportedNot supported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserNot supportedNot supported
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous- Colors: Black, Silver, Pink Gold
- Bands: 20mm
- Always-on display
- Samsung Pay
- Colors: Black, White
- Stainless Steel body
- Samsung Pay
- S-Voice, S-Health
- Wireless Charging (Qi)
- IP68 certified: dust and water resistant up to 1.5m and 30min

☢️ Radiation rate

Samsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Gear S2 (3G SM-R730T)
SAR 1.6W/kg (USA, Mexico, etc.)0.43W/kg (head), 1.13W/kg (body)0.737W/kg (head), 0.893W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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