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Samsung Galaxy Watch 42mm (SM-R815N) vs Xiaomi Amazfit Stratos

Side by side comparison, pros, cons, differences between Samsung Galaxy Watch vs Xiaomi Amazfit Stratos smartwatches with full specifications. What's the best?

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Compare Xiaomi Amazfit Stratos XSamsung Galaxy Watch 42mm (SM-R815N)16Points
Samsung Galaxy Watch 42mm (SM-R815N)
1.2"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

270
mAh

(Non removable)

vs
Xiaomi Amazfit Stratos
1.34"
TFT

320x300

N/A
MP

512MB
RAM

32bit Dual

290
mAh

(Non removable)

What's the better smartwatch? Samsung Galaxy Watch 42mm (SM-R815N)

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 42mm (SM-R815N)16 Advantages Samsung Galaxy Watch 42mm (SM-R815N)vsAmazfit Stratos5 Advantages Xiaomi Amazfit Stratos
+1.15Ghz 64bit Dual-Core92%
More powerful processor, you can open your applications faster
vs1.2Ghz 32bit Dual-Core
+1.5GB LPDDR32 times
More RAM memory. Typically more responsive and better for multitasking
vs512MB LPDDR2
+49 grams (1.72 ounces)39%
Lighter
vs68 grams (2.38 ounces)
+12.7 millimeters (0.5 inches)18%
Thinner
vs15 millimeters (0.59 inches)
+Stainless steel body, glass frontAdvantage
More resistant material
vsPlastic body with ceramic and stainless steel, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT LCD
+16 million61 times
More colors on the screen is better quality images and videos
vs260 thousand
+360x360 pixels35%
Higher resolution screen
vs320x300 pixels
+424 PPI30%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs327 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) 10 MbpsAdvantage
Faster for surfing the internet and download files
vs(Not supported)
+802.11 b/g/n (2.4Ghz)Advantage
WiFi 802.11 b/g/n (2.4Ghz) is newer and faster
vs802.11 b/g (2.4Ghz)
+4.2 version A2DPAdvantage
Bluetooth 4.2 version A2DP is newer and faster
vs4.0 version A2DP
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
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
4GB (1.5GB user free)vs+4GB (2GB user free)33%
More internal storage for applications and files
1.2"vs+1.34"12%
Larger screen
Not supportedvs+CompassAdvantage
Sensors help you use the device
270 mAhvs+290 mAh7%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+MicroUSB 2.0Advantage
More speed data transfer as mp3 and photos via USB

15 Common items in both devices
eMMC / eMCP
Capacitive
Multitouch
Not supported
Accelerometer
Ambient Light
Gyroscope
+8 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 42mm (SM-R815N)Xiaomi Amazfit Stratos
ModelGalaxy Watch 42mm (SM-R815N)Amazfit Stratos
Other model names갤럭시 워치 42mm (4G LTE) SM-R815NZKASKC, Samsung GalileoXiaomi Huami Amazfit 2 Stratos A1619, Amazfit Pace 2
Country or region availableSouth Korea
South Korea
(Global, International)
(Global, International)
BrandSamsungXiaomi
Release dateAugust, 2018December, 2017
Depth12.7 millimeters (0.5 inches)15 millimeters (0.59 inches)
Size (width x height)41.9 x 45.7 millimeters (1.65 x 1.8 in)25.4 x 51 millimeters (1 x 2.01 in)
Weight49 grams (1.72 ounces)68 grams (2.38 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsStainless steel body, glass frontPlastic body with ceramic and stainless steel, 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 42mm (SM-R815N)Xiaomi Amazfit Stratos
Operating systemTizen 4.0Proprietary OS
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy Watch 42mm (SM-R815N)Xiaomi Amazfit Stratos
Chipset64bit - Samsung Exynos 9 Dual 9110 (10nm)32bit - Ingenic M200S
CPU processor1.15Ghz Dual-Core ARM Cortex-A53Dual-Core, 2 processors:
1.2Ghz Single-Core XBurst-HP
300Mhz Single-Core XBurst-LP
GPU graphical controllerARM Mali-T720 MP13D GPU
RAM memory1.5GB LPDDR3512MB LPDDR2
Internal storage4GB (1.5GB user free)
eMMC
4GB (2GB user free)
eMCP
External storageNot supportedNot supported
DisplaySamsung Galaxy Watch 42mm (SM-R815N)Xiaomi Amazfit Stratos
Display typeSuper AMOLEDTFT LCD
Screen size1.2" inches1.34" inches
Screen-to-body ratio~24.3% (screen-to-body ratio)~44.6% (screen-to-body ratio)
Display resolution360x360 pixels320x300 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)424 PPI327 PPI
Colors16 million260 thousand
Scratch-resistant glassGorilla Glass DX+Gorilla Glass
Display featuresfeature not registeredfeature not registered
Mobile networksSamsung Galaxy Watch 42mm (SM-R815N)Xiaomi Amazfit Stratos
Dual-SIMNot supportedNot supported
SIM card1 slot
e-Sim (Eletronic Sim)
Not supported
Maximum download/upload10 Mbpsfeature not registered
Network technology3G, 4Gfeature not registered
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandNot supportedNot supported
Primary 2G networkNot supportedNot supported
Primary 3G networkUMTS 850/1900/2100Not supported
Primary 4G networkLTE (Bands 1,3,5,7,8)Not supported
Primary 5G networkNot supportedNot supported
Primary data networkUMTS, 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 42mm (SM-R815N)Xiaomi Amazfit Stratos
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), E-mail
SpeakerphoneSupportedSupported
Video callingNot supportedNot supported
Call controlVoice dialing, Voice recorder, Voice commandsNot supported
CameraSamsung Galaxy Watch 42mm (SM-R815N)Xiaomi Amazfit Stratos
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 42mm (SM-R815N)Xiaomi Amazfit Stratos
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 42mm (SM-R815N)Xiaomi Amazfit Stratos
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsfeature not registeredfeature not registered
Audio formatsMP3, WAV, WMA, OGG, eAAC+MP3, eAAC+
ConnectivitySamsung Galaxy Watch 42mm (SM-R815N)Xiaomi Amazfit Stratos
USBNot supportedMicroUSB 2.0
TV outputNot supportedNot supported
Audio outputNot supportedNot supported
Bluetooth4.2 version A2DP4.0 version A2DP
WiFi802.11 b/g/n (2.4Ghz)802.11 b/g (2.4Ghz)
DLNANot supportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy Watch 42mm (SM-R815N)Xiaomi Amazfit Stratos
Active noise cancellationNot supportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedfeature not registered
Web browserNot supportedNot supported
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Ambient Light
Gyroscope
Barometer
Heart rate
Pedometer
Accelerometer
Compass
Ambient Light
Gyroscope
Barometer
Heart rate
Pedometer
Other features- 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 KT, LG U+, SKT carriers in Korea
- Colors: Black
- 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
Power supplySamsung Galaxy Watch 42mm (SM-R815N)Xiaomi Amazfit Stratos
BatteryLi-Ion (Non removable)
5V/0.7A=3.5W
LiPo - Li-Ion polymer (Non removable)
Battery capacity270 mAh290 mAh
Charger, watts• Standard charging
• Wireless charging (Qi/WPC)
• Standard charging
Talk time autonomyfeature not registered1800 minutes | 30 hours | 1.3 days
Standby4320 minutes | 72 hours | 3 days7200 minutes | 120 hours | 5 days
Radiation rateSamsung Galaxy Watch 42mm (SM-R815N)Xiaomi Amazfit Stratos
SAR 1.6W/kg (USA, Mexico, etc.)0.641W/kg (head) | 1.67W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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