Samsung Galaxy J3 2018 (SM-J337U) vs Samsung Galaxy Watch Active 2 (44mm SM-R825F)
Side by side comparison between Samsung Galaxy J3 (2018) vs Samsung Galaxy Watch Active 2 devices, differences, pros, cons and full specifications. What's the better?
,
vs
1.4"
AMOLED
AMOLED
360x360
N/A
1.5GB
RAM
RAM
Dual-core
340
mAh
mAh
(Non removable)
What's the better device? Samsung Galaxy J3 2018 (SM-J337U)
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!
20 Advantages 
12 Advantages | 8 Common items in both devices |
| 16 million |
| 4G LTE |
| 150 Mbps |
| Capacitive |
| Multitouch |
| Accelerometer |
| A-GPS, GeoTagging, GLONASS / A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| + 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 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| Model | Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) |
| Other model names | Galaxy J3 (2018) Unlocked SM-J337UZKAXAA | Galaxy Watch Active2 4G LTE SM-R825F (Stainless Steel) |
| Country or region available |  USA |  (Global, International) |
| Brand | Samsung | Samsung |
| Release date | 5/1/2018 | 9/1/2019 |
| Depth | 9 millimeters (0.35 inches) | 10.9 millimeters (0.43 inches) |
| Size (width x height) | 70.2 x 142.8 millimeters (2.76 x 5.62 in) | 44 x 44 millimeters (1.73 x 1.73 in) |
| Weight | 152 grams (5.32 ounces) | 44 grams (1.54 ounces) |
| Build, materials | Plastic body, glass front | Stainless steel body, glass front |
| Protection against water and others | Not supported | 5 ATM: 50 meters waterproof. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. |
📲 Display | ||
| Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5" inches | 1.4" inches |
| Screen-to-body ratio | ~68.8% (screen-to-body ratio) | ~32.7% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 360x360 pixels (1:1) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 364 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass DX+ |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | Not supported |
🤖 Operating System | ||
| Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| System version | Android 8.0 Oreo | Tizen 4.0 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| Chipset | 64bit: Samsung Exynos 7570 (14nm) | 64bit: Samsung Exynos 9 Dual 9110 (10nm) |
| CPU | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) | Dual-core, 1 processor: 2x 1.15GHz ARM Cortex-A53 (Dual-core) |
| GPU graphical controller | ARM Mali-T720 MP1 (830MHz) | ARM Mali-T720 MP1 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| RAM memory | 2GB LPDDR3 | 1.5GB LPDDR3 |
| Internal storage | 16GB (9GB available) eMMC 5.0 | 4GB (1.39GB available) eMMC |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) e-SIM (Eletronic) |
| 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 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/2100 |
| Primary 4G network | LTE Cat4 (Bands 2, 3, 4, 5, 7, 12, 14) | LTE Cat4 (1, 3, 5, 7, 8, 20) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, 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 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| 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 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| 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 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| 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 | MP4 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, OGG, eAAC+ |
🔌 Connectivity | ||
| Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| USB | MicroUSB 2.0 | Not supported |
| Audio output | 3.5mm jack | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.2 + A2DP | 5.0 + A2DP/LE |
| 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, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| Sensors | Accelerometer Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Heart rate Pedometer |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 2600 mAh | 340 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | Qi wireless charging |
| Talk time autonomy | feature not registered | 60 hours (2.5 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| Call control | Voice dialing, Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push 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: Black | • Colors: Black, Silver, Pink Gold • Bands: 20mm • Always-on display • Samsung Pay |
☢️ Radiation rate | ||
| Galaxy J3 2018 (SM-J337U) | Galaxy Watch Active 2 (44mm SM-R825F) | |
| 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 | 0.491W/kg (head), 2.466W/kg (body) |