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Samsung Galaxy Watch Active 2 (40mm SM-R835F) vs Xiaomi Redmi Watch (WT02)

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

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Compare Xiaomi Redmi Watch XSamsung Galaxy Watch Active 2 (40mm SM-R835F)15Points
Samsung Galaxy Watch Active 2 (40mm SM-R835F)
1.2"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

247
mAh

(Non removable)

vs
Xiaomi Redmi Watch (WT02)
1.4"
IPS

320x320

N/A
MP

N/A
RAM

32bit Single

230
mAh

(Non removable)

What's the better smartwatch? Samsung Galaxy Watch Active 2 (40mm SM-R835F)

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-R835F)15 Advantages Samsung Galaxy Watch Active 2 (40mm SM-R835F)vsRedmi Watch (WT02)5 Advantages Xiaomi Redmi Watch (WT02)
+10.9 millimeters (0.43 inches)9%
Thinner
vs11.9 millimeters (0.47 inches)
+Stainless steel body, glass frontAdvantage
More resistant material
vsPlastic body, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+16 million61 times
More colors on the screen is better quality images and videos
vs260 thousand
+360x360 pixels27%
Higher resolution screen
vs320x320 pixels
+424 PPI31%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs323 PPI
+1500 apps149 times
More apps available to download and use
vs10 apps
+4G LTEAdvantage
The 4G LTE network is newer and faster
vsNot supported
+(4G LTE) 150 MbpsAdvantage
Faster for surfing the internet and download files
vs(Not supported)
+Ambient Light sensorAdvantage
Sensors help you use the device
vsNot supported
+247 mAh7%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs230 mAh
+SpeakerphoneAdvantage
Speakerphone is useful when you are driving and on other occasions
vsNot supported
+802.11 b/g/n (2.4Ghz)Advantage
WiFi 802.11 b/g/n (2.4Ghz) is newer and faster
vsNot supported
+Gorilla Glass DX+Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+50 meters waterproof., MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vs50 meters waterproof
37 grams (1.3 ounces)vs+22 grams (.77 ounces)68%
Lighter
1.2"vs+1.4"17%
Larger screen
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet

14 Common items in both devices
4GB (1.39GB available) / Not supported
Capacitive
Multitouch
Not supported
Accelerometer
Barometer
Heart rate
+7 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-R835F)Xiaomi Redmi Watch (WT02)
ModelGalaxy Watch Active 2 (40mm SM-R835F)Redmi Watch (WT02)
Other model namesGalaxy Watch Active2 4G LTE SM-R835U (Stainless Steel)Redmi Watch REDMIWT02, REDMI-WT02 (GPS)
Country or region available(Global, International)
(Global, International)
India
India
BrandSamsungXiaomi
Release dateSeptember, 2019May, 2021
Depth10.9 millimeters (0.43 inches)11.9 millimeters (0.47 inches)
Size (width x height)40 x 40 millimeters (1.57 x 1.57 in)35 x 41 millimeters (1.38 x 1.61 in)
Weight37 grams (1.3 ounces)22 grams (.77 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsStainless steel body, glass frontPlastic 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
System (OS)Samsung Galaxy Watch Active 2 (40mm SM-R835F)Xiaomi Redmi Watch (WT02)
Operating systemTizen 4.0Proprietary OS
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy Watch Active 2 (40mm SM-R835F)Xiaomi Redmi Watch (WT02)
Chipset64bit - Samsung Exynos 9 Dual 9110 (10nm)32bit
CPU processor1.15Ghz Dual-Core ARM Cortex-A53Single-Core
GPU graphical controllerARM Mali-T720 MP13D GPU
RAM memory1.5GB LPDDR3feature not registered
Internal storage4GB (1.39GB available)
eMMC
Not supported
External storageNot supportedNot supported
DisplaySamsung Galaxy Watch Active 2 (40mm SM-R835F)Xiaomi Redmi Watch (WT02)
Display typeSuper AMOLEDTFT IPS LCD
Screen size1.2" inches1.4" inches
Screen-to-body ratio~29% (screen-to-body ratio)~44.1% (screen-to-body ratio)
Display resolution360x360 pixels (1:1)320x320 pixels (1:1)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)424 PPI323 PPI
Colors16 million260 thousand
Scratch-resistant glassGorilla Glass DX+Not supported
Display featuresNot supported350 nits
Mobile networksSamsung Galaxy Watch Active 2 (40mm SM-R835F)Xiaomi Redmi Watch (WT02)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
e-SIM (Eletronic)
Not supported
Maximum download/upload150/50 Mbpsfeature not registered
Network technology2G, 3G, 4Gfeature not registered
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Not supported
Primary 2G networkGSM 850/900/1800/1900Not supported
Primary 3G networkUMTS 850/900/2100Not supported
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+, 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 Active 2 (40mm SM-R835F)Xiaomi Redmi Watch (WT02)
MessagingSMS (T9), MMS, E-mail, Push mailSMS, E-mail
SpeakerphoneSupportedNot supported
Video callingNot supportedNot supported
Call controlVoice dialing, Voice recorder, Voice commandsNot supported
CameraSamsung Galaxy Watch Active 2 (40mm SM-R835F)Xiaomi Redmi Watch (WT02)
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-R835F)Xiaomi Redmi Watch (WT02)
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-R835F)Xiaomi Redmi Watch (WT02)
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4feature not registered
Audio formatsMP3, WAV, WMA, OGG, eAAC+MP3, eAAC+
ConnectivitySamsung Galaxy Watch Active 2 (40mm SM-R835F)Xiaomi Redmi Watch (WT02)
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)Not supported
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy Watch Active 2 (40mm SM-R835F)Xiaomi Redmi Watch (WT02)
Active noise cancellationNot supportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedfeature not registered
Web browserNot supportedHTML, XHTML, HTML5
SensorsAccelerometer
Ambient Light sensor
Barometer
Heart rate
Pedometer
Accelerometer
Compass
Gyroscope
Barometer
Heart rate
Pedometer
Other features- Colors: Black, Silver, Pink Gold
- Bands: 20mm
- Always-on display
- Samsung Pay
- Colors: Black, Blue, Ivory
- Strap/bands: Black, Blue, Ivory, Olive
- 2.5D curved display
- Android/iOS compatible
- Watch faces (+200)
Power supplySamsung Galaxy Watch Active 2 (40mm SM-R835F)Xiaomi Redmi Watch (WT02)
BatteryLi-Ion: Lithium-Ion (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity247 mAh230 mAh
Charger, watts Standard charging
Qi wireless charging
Standard charging
Magnetic charging (dock)
Talk time autonomy2580 minutes | 43 hours | 1.8 daysfeature not registered
Standbyfeature not registered14400 minutes | 240 hours | 10 days
Radiation rateSamsung Galaxy Watch Active 2 (40mm SM-R835F)Xiaomi Redmi Watch (WT02)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)0.255W/kg (head) | 1.528W/kg (body)feature not registered
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