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Xiaomi Amazfit Stratos 2S vs Samsung Galaxy Watch Active 2 (44mm SM-R825U)

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

,
1.34"
TFT

320x300

N/A
512MB
RAM

Dual-core

290
mAh

(Non removable)

vs
18Points Samsung Galaxy Watch Active 2 (44mm SM-R825U) Compare Xiaomi Amazfit Stratos 2S X
1.4"
AMOLED

360x360

N/A
1.5GB
RAM

Dual-core

340
mAh

(Non removable)

What's the better smartwatch? Samsung Galaxy Watch Active 2 (44mm SM-R825U)

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!

Amazfit Stratos 2S} 4 Advantages Xiaomi Amazfit Stratos 2S vs Galaxy Watch Active 2 (44mm SM-R825U)} 18 Advantages Samsung Galaxy Watch Active 2 (44mm SM-R825U)
+4GB (2GB available)44%
More internal storage for applications and files
vs4GB (1.39GB available)
+CompassAdvantage
Sensors help you use the device
vsNot supported
+GyroscopeAdvantage
Sensors help you use the device
vsNot supported
+MicroUSB 2.0Advantage
Newer and faster USB version for transferring photos, mp3 or data.
vsNot supported
1.2GHz 32bit Dual-corevs+1.15GHz 64bit Dual-core67%
More powerful processor, you can open your applications faster
512MB LPDDR2vs+1.5GB LPDDR32 times
More RAM memory. Typically more responsive and better for multitasking.
68 grams (2.38 ounces)vs+44 grams (1.54 ounces)55%
Lighter
15 millimeters (0.59 inches)vs+10.9 millimeters (0.43 inches)38%
Thinner
Plastic body with ceramic and stainless steel, glass frontvs+Stainless steel body, glass frontAdvantage
More resistant material
TFT LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
260 thousandvs+16 million61 times
More colors on the screen is better quality images and videos
320x300 pixelsvs+360x360 pixels35%
Higher resolution screen
327 PPIvs+364 PPI11%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
1.34"vs+1.4"4%
Larger screen
10 appsvs+1500 apps149 times
More apps available to download and use
Not supportedvs+4G LTEAdvantage
The 4G LTE network is newer and faster
(Not supported) vs+(4G LTE) 150 MbpsAdvantage
Faster for surfing the internet and download files
Not supportedvs+VO2 maxAdvantage
Sensors help you use the device
290 mAhvs+340 mAh17%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
802.11 b/g [wifi3]vs+802.11 b/g/n [wifi4]Advantage
WiFi 802.11 b/g/n [wifi4] is newer and faster
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely

13 Common items in both devices
eMCP / eMMC
Capacitive
Multitouch
Accelerometer
Ambient light sensor
Barometer
Heart rate
+6 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
Change model 
ModelAmazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
Other model namesXiaomi Huami Amazfit 2 Stratos A1619, Amazfit Pace 2Galaxy Watch Active2 4G LTE SM-R825U (Stainless Steel)
Country or region available(Europe)
(Europe)
USA
USA
BrandXiaomiSamsung
Release date12/12/20179/1/2019
Depth15 millimeters (0.59 inches)10.9 millimeters (0.43 inches)
Size (width x height)25.4 x 51 millimeters (1 x 2.01 in)44 x 44 millimeters (1.73 x 1.73 in)
Weight68 grams (2.38 ounces)44 grams (1.54 ounces)
Build, materialsPlastic body with ceramic and stainless steel, glass frontStainless steel body, glass front
Protection against water and others5 ATM: 50 meters waterproof5 ATM: 50 meters waterproof.
MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.

📲 Display

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
Display typeTFT LCDSuper AMOLED
Screen size1.34" inches1.4" inches
Screen-to-body ratio~44.6% (screen-to-body ratio)~32.7% (screen-to-body ratio)
Display resolution320x300 pixels360x360 pixels (1:1)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)327 PPI364 PPI
Colors260 thousand16 million
Scratch-resistant glassSapphire GlassGorilla Glass DX+
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredNot supported

🤖 Operating System

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
System versionProprietary OSTizen 4.0
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
Chipset32bit: Ingenic M200S64bit: Samsung Exynos 9 Dual 9110 (10nm)
CPUDual-core, 2 processors:
1x 1.2GHz XBurst-HP (Single-core)
1x 300MHz XBurst-LP (Single-core)
Dual-core, 1 processor:
2x 1.15GHz ARM Cortex-A53 (Dual-core)
GPU graphical controller3D GPUARM Mali-T720 MP1
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
RAM memory512MB LPDDR21.5GB LPDDR3
Internal storage4GB (2GB available)
eMCP
4GB (1.39GB available)
eMMC
External storageNot supportedNot supported

📶 Mobile networks

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
Dual-SIMNot supportedNot supported
SIM cardNot supported1 slot (Single-SIM)
e-SIM (Eletronic)
Maximum Download / Uploadfeature not registered150/50 Mbps
Network technologyfeature not registered2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandNot supportedQuad-Band 850/900/1800/1900
Primary 2G networkNot supportedGSM 850/900/1800/1900
Primary 3G networkNot supportedUMTS 850/900/2100
Primary 4G networkNot supportedLTE Cat4 (1, 3, 5, 7, 8, 20)
Primary 5G networkNot supportedNot supported
Primary data networkNot supportedGPRS, 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

📷 Camera

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
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
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
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

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
LoudspeakerSupportedSupported
Active noise cancellationNot supportedNot supported
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsfeature not registeredMP4
Audio formatsMP3, eAAC+MP3, WAV, WMA, OGG, eAAC+

🔌 Connectivity

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
USBMicroUSB 2.0Not supported
Audio outputNot supportedNot supported
TV outputNot supportedNot supported
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g [wifi3] (2.4GHz)802.11 b/g/n [wifi4] (2.4GHz)
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Gyroscope
Heart rate
Pedometer
Accelerometer
Ambient light sensor
Barometer
Heart rate
Pedometer
VO2 max
Vibrating alertSupportedSupported

🔋 Battery

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Non removable)
Battery capacity290 mAh340 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredQi wireless charging
Talk time autonomy30 hours (1.3 days)60 hours (2.5 days)
Standby120 hours (5 days)feature not registered

➕ Other features

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
Call controlNot supportedVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), E-mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedNot supported
Ringtonesfeature not registeredPolyphonic and customized
Web browserNot supportedNot supported
Antennafeature not registeredInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black
• Leather watch band
• 22mm standard watch band
• 2.5D glass display
• Dock charger included
• Always-on display
• Languages: Chinese, English, Spanish
• Mi Fit app compatible
• Compatible with Android 4.4, iOS 9 and above
• Colors: Black, Silver, Pink Gold
• Bands: 20mm
• Always-on display
• Samsung Pay

☢️ Radiation rate

Amazfit Stratos 2SGalaxy Watch Active 2 (44mm SM-R825U)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.64W/kg (head), 2.19W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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