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Blu X Link vs Samsung Galaxy Watch (42mm SM-R815F)

Side by side comparison between Blu X Link vs Samsung Galaxy Watch smartwatches, differences, pros, cons with full specifications. What's the better?

Blu X Link




32bit Single


(Non removable)

24PointsSamsung Galaxy Watch (42mm SM-R815F)Compare Blu X Link X
Samsung Galaxy Watch (42mm SM-R815F)




64bit Dual


(Non removable)

What's the better smartwatch? Samsung Galaxy Watch (42mm SM-R815F)

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!

X Link2 Advantages Blu X LinkvsGalaxy Watch (42mm SM-R815F)24 Advantages Samsung Galaxy Watch (42mm SM-R815F)
+320 mAh19%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs270 mAh
+MicroUSB 2.0Advantage
Newer and faster USB version for transferring photos, mp3 or data.
vsNot supported
256Mhz 32bit Single-Corevs+1.15Ghz 64bit Dual-Core6 times
More powerful processor, you can open your applications faster
4MB SDRAMvs+1.5GB LPDDR3383 times
More RAM memory. Typically more responsive and better for multitasking.
4MBvs+4GB (1.5GB available)383 times
More internal storage for applications and files
Flash (EEPROM)vs+eMMCAdvantage
Fastest write and read storage.
65 grams (2.28 ounces)vs+49 grams (1.72 ounces)33%
13.9 millimeters (0.55 inches)vs+12.7 millimeters (0.5 inches)9%
Aluminum body, glass frontvs+Stainless steel body, glass frontAdvantage
More resistant material
TFT IPS 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
240x240 pixelsvs+360x360 pixels125%
Higher resolution screen
309 PPIvs+424 PPI37%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
Larger screen
10 appsvs+1500 apps149 times
More apps available to download and use
2G GPRSvs+4G LTEAdvantage
The 4G LTE network is newer and faster
(2G GPRS) 0.048 Mbpsvs+(4G LTE) 10 Mbps207 times
Faster for surfing the internet and download files
Not supportedvs+Ambient Light sensorAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+A-GPS, GeoTagging, GLONASSAdvantage
It's harder to lose yourself in the city with GPS on your device
Not supportedvs+802.11 b/g/n (2.4Ghz)Advantage
WiFi 802.11 b/g/n (2.4Ghz) is newer and faster
4.0 + A2DPvs+4.2 + A2DPAdvantage
Bluetooth 4.2 + A2DP is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
Not supportedvs+Gorilla Glass DX+Advantage
Protection against scratches on the screen lets you carry your phone with your keys
IP54 certifiedvs+50 meters waterproof., MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

9 Common items in both devices
Not supported
Heart rate
Li-Ion: Lithium-Ion (Non removable)
+2 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 featuresBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
ModelX LinkGalaxy Watch (42mm SM-R815F)
Other model namesBlu X Link X060Galaxy Watch 42mm (4G LTE) SM-R815FZDAAMO, Samsung Galileo
Country or region available(Global, International)
(Global, International)
(Europe)South AfricaSaudi ArabiaAustraliaIsraelSingaporeTaiwan
(Europe), South Africa, Saudi Arabia, Australia, Israel, Singapore, Taiwan
Release dateMay, 2018August, 2018
Depth13.9 millimeters (0.55 inches)12.7 millimeters (0.5 inches)
Size (width x height)45.8 x 54 millimeters (1.8 x 2.13 in)41.9 x 45.7 millimeters (1.65 x 1.8 in)
Weight65 grams (2.28 ounces)49 grams (1.72 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum body, glass frontStainless steel body, glass front
Protection against water and othersIP54 certified: protection against dust and splashing50 meters waterproof.
MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.
System (OS)Blu X LinkSamsung Galaxy Watch (42mm SM-R815F)
Operating systemProprietary OSTizen 4.0
Firmware updatefeature not registeredfeature not registered
HardwareBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
Chipset32bit - MediaTek MT250264bit - Samsung Exynos 9 Dual 9110 (10nm)
CPU processor256Mhz Single-Core ARM7EJ-S1.15Ghz Dual-Core ARM Cortex-A53
GPU graphical controllerfeature not registeredARM Mali-T720 MP1
Internal storage4MB
Flash (EEPROM)
4GB (1.5GB available)
External storageNot supportedNot supported
DisplayBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
Display typeTFT IPS LCDSuper AMOLED
Screen size1.1" inches1.2" inches
Screen-to-body ratio~15.8% (screen-to-body ratio)~24.3% (screen-to-body ratio)
Display resolution240x240 pixels360x360 pixels (1:1)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)309 PPI424 PPI
Colors260 thousand16 million
Scratch-resistant glassNot supportedGorilla Glass DX+
Display featuresfeature not registeredNot supported
Mobile networksBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)
1 slot (Single-SIM)
e-SIM (Eletronic)
Maximum download/upload0.048 Mbps10 Mbps
Network technology2G3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Not supported
Primary 2G networkGSM 850/900/1800/1900Not supported
Primary 3G networkNot supportedUMTS 900/1900
Primary 4G networkNot supportedLTE (Bands 1,3,7,8,20)
Primary 5G networkNot supportedNot supported
Primary data networkGPRSUMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported
CallingBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
MessagingSMS, E-mailSMS (T9), MMS, E-mail, Push mail
Video callingNot supportedNot supported
Call controlVoice dialingVoice dialing, Voice recorder, Voice commands
CameraBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
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 cameraBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
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
MultimediaBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsfeature not registeredMP4
Audio formatsMP3MP3, WAV, WMA, OGG, eAAC+
ConnectivityBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
USBMicroUSB 2.0Not supported
TV outputNot supportedNot supported
Audio outputNot supportedNot supported
Bluetooth4.0 + A2DP4.2 + A2DP
WiFiNot supported802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCNot supportedSupported
GPSNot supportedA-GPS, GeoTagging, GLONASS
Infrared portNot supportedNot supported
Other functionsBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
Active noise cancellationNot supportedNot supported
Vibrating alertSupportedSupported
Ringtonesfeature not registeredPolyphonic and customized
Web browserNot supportedNot supported
Heart rate
Ambient Light sensor
Heart rate
Other features- Colors: Black, Silver, Rose Gold
- 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
Power supplyBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
BatteryLi-Ion: Lithium-Ion (Non removable)Li-Ion: Lithium-Ion (Non removable)
Battery capacity320 mAh270 mAh
Charger, watts Standard charging3.5W (5V/0.7A) Standard charging
Qi wireless charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registered4320 minutes | 72 hours | 3 days
Radiation rateBlu X LinkSamsung Galaxy Watch (42mm SM-R815F)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.383W/kg (head) | 0.383W/kg (body)

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