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Samsung Galaxy Watch Active 2 (40mm SM-R835U) vs Samsung Galaxy Watch Active 2 (44mm SM-R825F)

Side by side comparison between Galaxy Watch Active 2 (40mm SM-R835U) vs Galaxy Watch Active 2 (44mm SM-R825F) smartwatches, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy Watch Active 2 XSamsung Galaxy Watch Active 2 (40mm SM-R835U)03Points
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
02PointsSamsung Galaxy Watch Active 2 (44mm SM-R825F)Compare Samsung Galaxy Watch Active 2 X
Samsung Galaxy Watch Active 2 (44mm SM-R825F)
1.4"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

340
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!

Galaxy Watch Active 2 (40mm SM-R835U)3 Advantages Samsung Galaxy Watch Active 2 (40mm SM-R835U)vsGalaxy Watch Active 2 (44mm SM-R825F)2 Advantages Samsung Galaxy Watch Active 2 (44mm SM-R825F)
+37 grams (1.3 ounces)19%
Lighter
vs44 grams (1.54 ounces)
+424 PPI16%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs364 PPI
+VO2 maxAdvantage
Sensors help you use the device
vsNot supported
1.2"vs+1.4"17%
Larger screen
247 mAhvs+340 mAh38%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use

30 Common items in both devices
1.15Ghz 64bit Dual-Core
1.5GB LPDDR3
4GB (1.39GB available)
eMMC
10.9 millimeters (0.43 inches)
Stainless steel body, glass front
Super AMOLED
+23 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 Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
ModelGalaxy Watch Active 2 (40mm SM-R835U)Galaxy Watch Active 2 (44mm SM-R825F)
Other model namesGalaxy Watch Active2 4G LTE SM-R835U (Stainless Steel)Galaxy Watch Active2 4G LTE SM-R825F (Stainless Steel)
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungSamsung
Release dateSeptember, 2019September, 2019
Depth10.9 millimeters (0.43 inches)10.9 millimeters (0.43 inches)
Size (width x height)40 x 40 millimeters (1.57 x 1.57 in)44 x 44 millimeters (1.73 x 1.73 in)
Weight37 grams (1.3 ounces)44 grams (1.54 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 Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
Operating systemTizen 4.0Tizen 4.0
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
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 (1.39GB available)
eMMC
4GB (1.39GB available)
eMMC
External storageNot supportedNot supported
DisplaySamsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
Display typeSuper AMOLEDSuper AMOLED
Screen size1.2" inches1.4" inches
Screen-to-body ratio~29% (screen-to-body ratio)~32.7% (screen-to-body ratio)
Display resolution360x360 pixels (1:1)360x360 pixels (1:1)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)424 PPI364 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass DX+Gorilla Glass DX+
Display featuresNot supportedNot supported
Mobile networksSamsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
e-SIM (Eletronic)
1 slot (Single-SIM)
e-SIM (Eletronic)
Maximum download/upload150/50 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/2100UMTS 850/900/2100
Primary 4G networkLTE Cat4 (1, 3, 5, 7, 8, 20)LTE Cat4 (1, 3, 5, 7, 8, 20)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, 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 Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
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 Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
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 Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
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 Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4MP4
Audio formatsMP3, WAV, WMA, OGG, eAAC+MP3, WAV, WMA, OGG, eAAC+
ConnectivitySamsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
USBNot supportedNot supported
TV outputNot supportedNot supported
Audio outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 b/g/n (2.4Ghz)802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
Active noise cancellationNot supportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserNot supportedNot supported
SensorsAccelerometer
Ambient Light sensor
Barometer
Heart rate
Pedometer
VO2 max
Accelerometer
Ambient Light sensor
Barometer
Heart rate
Pedometer
Other features- Colors: Black, Silver, Pink Gold
- Bands: 20mm
- Always-on display
- Samsung Pay
- Colors: Black, Silver, Pink Gold
- Bands: 20mm
- Always-on display
- Samsung Pay
Power supplySamsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
BatteryLi-Ion: Lithium-Ion (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity247 mAh340 mAh
Charger, watts Standard charging
Qi wireless charging
Standard charging
Qi wireless charging
Talk time autonomy2580 minutes | 43 hours | 1.8 days3600 minutes | 60 hours | 2.5 days
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy Watch Active 2 (40mm SM-R835U)Samsung Galaxy Watch Active 2 (44mm SM-R825F)
SAR 1.6W/kg (USA, Mexico, etc.)0.43W/kg (head) | 1.13W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.491W/kg (head) | 2.466W/kg (body)
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