Skip to content

Samsung Galaxy Watch 42mm 4G SM-R815U vs Samsung Gear 2 SM-R380

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

,
Compare Samsung Gear 2 X15Samsung Galaxy Watch 42mm 4G SM-R815U
Samsung Galaxy Watch 42mm 4G SM-R815U
1.2"
AMOLED

360x360

N/A
MP

1.5GB
RAM

64bit Dual

270
mAh

(Non removable)

vs
Compare Samsung Galaxy Watch X06Samsung Gear 2 SM-R380
Samsung Gear 2 SM-R380
1.63"
AMOLED

320x320

2
MP

512MB
RAM

32bit Dual

300
mAh

(Non removable)

What's the best smartwatch? The PhoneMore's choice is Samsung Galaxy Watch 42mm 4G SM-R815U

The phonemore's choice is much more technical than personal, so don't just evaluate it. Our goal is to help, but what's important to us may not be important to you. You decide which is the best! Comment!


15 Advantages Samsung Galaxy Watch 42mm 4G SM-R815U
Galaxy Watch 42mm 4G SM-R815UvsGear 2 SM-R380
 58%58%
+More powerful processor, you can open your applications faster
1.15Ghz 64bit Dual-Corevs1Ghz 32bit Dual-Core
 2 times100%
+More RAM memory. Typically more responsive and better for multitasking
1.5GB LPDDR3vs512MB LPDDR2
 39%39%
+Lighter
49 grams (1.72 ounces)vs68 grams (2.38 ounces)
 27%27%
+Higher resolution screen
360x360 pixelsvs320x320 pixels
 53%53%
+Crisper display of text, images and video because it has more pixels per inch (ppi)
424 PPIvs278 PPI
Advantage
+Tizen 4.0 is newer and safer
Tizen 4.0vsTizen 2.2.1
Advantage
+The 4G LTE network is newer and faster
4G LTEvsNot supported
Advantage
+Faster for surfing the internet and download files
(4G LTE) 10 Mbpsvs(Not supported)
Advantage
+Sensors help you use the device
Ambient LightvsNot supported
Advantage
+Sensors help you use the device
BarometervsNot supported
Advantage
+It's harder to lose yourself in the city with GPS on your device
A-GPS, GeoTagging, GLONASSvsNot supported
Advantage
+Bluetooth 4.2 version A2DP is newer and faster
4.2 version A2DPvs4.0 version A2DP
Advantage
+NFC allows you to make payments by approach quickly and securely
NFCvsNot supported
Advantage
+Protection against scratches on the screen lets you carry your phone with your keys
Gorilla Glass DX+vsNot supported
Advantage
+Protection against water allows you talk to your friends in the rain, for example
50 meters waterproof, MIL-STD-810G military certifiedvsWaterproof (IPxx certified)

06 Advantages Samsung Gear 2 SM-R380
Gear 2 SM-R380vsGalaxy Watch 42mm 4G SM-R815U
 33%33%
+More internal storage for applications and files
4GB (2GB user available)vs4GB (1.5GB user available)
 27%27%
+Thinner
10 millimeters (0.39 inches)vs12.7 millimeters (0.5 inches)
 36%36%
+Larger screen
1.63"vs1.2"
Advantage
+With a camera you can take pictures anywhere
(back) 2MPvsNot supported
Advantage
+More image quality for recording videos with the primary camera
HD (1280x720 pixels)vsNot supported
 11%11%
+Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
300 mAhvs270 mAh

13 Common items in both devices
Super AMOLED
16 million
Capacitive
Multitouch
Not supported
Accelerometer
Gyroscope
Heart rate
Pedometer
Li-Ion (Non removable)
Speakerphone
Vibrating alert
802.11 b/g/n (2.4Ghz)
+ COMMON ITEMS

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

Model and physical featuresSamsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
ModelGalaxy Watch 42mm 4G SM-R815UGear 2 SM-R380
Also known asGalaxy Watch 42mm (4G LTE) SM-R815UZDAXAR, Samsung GalileoSamsung Gear 2 R380, Samsung SM-R380 Gear 2
Country or region availableUSAVarious (International)
BrandSamsungSamsung
Release dateAugust, 2018April, 2014
Depth12.7 millimeters (0.5 inches)10 millimeters (0.39 inches)
Size (width x height)41.9 x 45.7 millimeters (1.65 x 1.8 in)36.9 x 58.4 millimeters (1.45 x 2.3 in)
Weight49 grams (1.72 ounces)68 grams (2.38 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaNot supported
Build, materialsStainless steel body, front glassfeature not registered
Protection against water and others50 meters waterproof
MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant
Waterproof (IPxx certified)
Operating system (OS)Samsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
Operating systemTizen 4.0Tizen 2.2.1
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
Architecture - Chipset64bit - Samsung Exynos 9 Dual 9110 (10nm)32bit - Samsung Exynos 2 Dual 3250 (28nm)
CPU processor1.15Ghz Dual-Core ARM Cortex-A531Ghz Dual-Core ARM Cortex-A7
GPU graphical controllerARM Mali-T720 MP1ARM Mali-400 MP2 400Mhz
RAM memory1.5GB LPDDR3512MB LPDDR2
Internal storage4GB (1.5GB user available)4GB (2GB user available)
External storageNot supportedNot supported
DisplaySamsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
Display typeSuper AMOLEDSuper AMOLED
Screen size1.2" inches1.63" inches
Screen-to-body ratio~24.3% (screen-to-body ratio)~39.8% (screen-to-body ratio)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Display resolution360x360 pixels320x320 pixels
Pixel density (dot pitch)424 PPI278 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass DX+Not supported
Mobile networks and dataSamsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
Dual-SIMNot supportedNot supported
SIM card1 slot
e-Sim (Eletronic Sim)
Not supported
GSM Mhz bandNot supportedNot supported
Primary 2G networkNot supportedNot supported
Primary 3G networkUMTS 850/1700/1900Not supported
Primary 4G/5G networkLTE (Bands 2,4,5,12,13,25,26,66)Not 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
Maximum download/upload10 Mbpsfeature not registered
Messaging and callingSamsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
MessagingSMS (T9), MMS, E-mail, Push mailSMS, MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingNot supportedNot supported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
Primary / back cameraSamsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
Main cameraNot supported2 megapixels
Main camera resolutionNot supported1600x1200 pixels
Video recording (primary)Not supportedHD (1280x720 pixels)
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 supportedAutofocus
Touch focusNot supportedSupported
Image stabilizationNot supportedNot supported
ZoomNot supportedOnly digital zoom
Face/smile detectionNot supportedNot supported
BSI sensorNot supportedNot supported
HDRNot supportedNot supported
Front / secondary cameraSamsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
Front cameraNot 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 4G SM-R815USamsung Gear 2 SM-R380
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsfeature not registeredMP4, H.264, H.263
Audio formatsMP3, WAV, WMA, OGG, eAAC+MP3, WAV, eAAC+
Connectivity and interfacesSamsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
USBNot supportedNot supported
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/n (2.4Ghz)
DLNANot supportedNot supported
NFCSupportedNot supported
GPSA-GPS, GeoTagging, GLONASSNot supported
Infrared portNot supportedSupported
Other functionsSamsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
Active noise cancellationNot supportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserNot supportedNot supported
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Ambient Light
Gyroscope
Barometer
Heart rate
Pedometer
Accelerometer
Gyroscope
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 Sprint, T-Mobile and Verizon carriers
- Colors: Charcoal Black, Gold Brown, Orange
- WatchON Remote
- S-Voice
- Watch compatible with Android 4.3 or higher
- IP67 certified: dust and water resistant up to 1m and 30min
Power supply and autonomySamsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
BatteryLi-Ion (Non removable)
Wireless charging (Qi/WPC)
Li-Ion (Non removable)
Battery capacity270 mAh300 mAh
Battery model / charger (watts)5V/0.7A=3.5Wfeature not registered
Talk timefeature not registeredfeature not registered
Standby4320 minutes | 72 hours | 3 days4320 minutes | 72 hours | 3 days
Radiation rate (SAR)Samsung Galaxy Watch 42mm 4G SM-R815USamsung Gear 2 SM-R380
SAR USA, Mexico, Colombia0.961 W/Kg (head) | 1.786 W/Kg (body)0.122 W/Kg (head) | 0.02 W/Kg (body)
SAR European Union, UKfeature not registered0.09 W/Kg (head) | 0.02 W/Kg (body)