Samsung Galaxy J3 Star (SM-J337T) vs Huawei Watch 2 (2018)
Side by side comparison between Samsung Galaxy J3 Star vs Huawei Watch 2 (2018) devices, differences, pros, cons and full specifications. What's the better?
,
vs
1.2"
AMOLED
AMOLED
390x390
N/A
768MB
RAM
RAM
Quad-core
420
mAh
mAh
(Non removable)
What's the better device? Samsung Galaxy J3 Star (SM-J337T)
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!
18 Advantages 
10 Advantages | 11 Common items in both devices |
| Plastic body, glass front |
| 16 million |
| 4G LTE |
| 150 Mbps |
| Capacitive |
| Multitouch |
| Accelerometer |
| +4 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 | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| Change model | ||
| Model | Galaxy J3 Star (SM-J337T) | Watch 2 (2018) |
| Other model names | T-Mobile Galaxy J3 (2018) SM-J337TZDATMB | Huawei Watch2 2018 e-sim, Huawei Leo |
| Country or region available |  USA |  China |
| Brand | Samsung | Huawei |
| Release date | 5/1/2018 | 5/1/2018 |
| Depth | 9 millimeters (0.35 inches) | 12.6 millimeters (0.5 inches) |
| Size (width x height) | 70.2 x 142.8 millimeters (2.76 x 5.62 in) | 45 x 48.9 millimeters (1.77 x 1.93 in) |
| Weight | 152 grams (5.32 ounces) | 57 grams (2 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| Display type | TFT IPS LCD | AMOLED |
| Screen size | 5" inches | 1.2" inches |
| Screen-to-body ratio | ~68.8% (screen-to-body ratio) | ~21.1% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 390x390 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 460 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| System version | Android 8.0 Oreo | Android Wear 2.0 (7.1.1 Nougat) |
| Firmware update | feature not registered | Android Wear 2.1 (8.0 Oreo) |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| Chipset | 64bit: Samsung Exynos 7570 (14nm) | 32bit: Qualcomm Snapdragon Wear 2100 MSM8909w (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Quad-core, 1 processor: 4x 1.1GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | ARM Mali-T720 MP1 (830MHz) | Qualcomm Adreno 304 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| RAM memory | 2GB LPDDR3 | 768MB LPDDR3 |
| Internal storage | 16GB (9GB available) eMMC 5.0 | 4GB (2GB available) |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Dual-Band 900/1800 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | TD-SCDMA 1900/2000 UMTS 900/1900/2100 |
| Primary 4G network | LTE Cat4 (Bands 2, 3, 4, 5, 7, 12, 14) | LTE Cat4 (Bands 1,3,7,8) TD-LTE (Bands 39,41) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| Back camera (main camera) | 8 megapixels | Not supported |
| Main camera resolution | 3264x2448 pixels | Not supported |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Not supported |
| Flash | LED flash | Not supported |
| Focal aperture | f/1.9 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | EIS: Digital stabilization | Not supported |
| Zoom | Only digital zoom | Not supported |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo only main camera | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| Front camera (secondary) | 5 megapixels | Not supported |
| Front camera resolution | 2560x1920 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, XviD, MKV | feature not registered |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| USB | MicroUSB 2.0 | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| Sensors | Accelerometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Gyroscope Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 2600 mAh | 420 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Magnetic charging (dock) |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Gold | • Colors: Carbon Black • Google Assistant • Workout data report • Compatible with standard 20mm straps |
☢️ Radiation rate | ||
| Galaxy J3 Star (SM-J337T) | Huawei Watch 2 (2018) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.2W/kg (head), 1.58W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |