OnePlus 9 Pro (256GB/12GB) vs Samsung Galaxy J3 2018 (SM-J337U)
Side by side comparison between OnePlus 9 Pro vs Samsung Galaxy J3 (2018) phones, differences, pros, cons and full specifications. What's the better?
,
6.7"
AMOLED
AMOLED
1440x3216
48
MP
MP
16mp
12GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
What's the better phone? OnePlus 9 Pro (256GB/12GB)
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!
34 Advantages 
5 Advantages | 11 Common items in both devices |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / Autofocus |
| (front) Full HD (1920x1080) |
| Capacitive |
| Multitouch |
| Accelerometer |
| Compass |
| +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 | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| Model | OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) |
| Other model names | OnePlus 9 Pro LE2123 (Global), LE2121 (India), LE2120(China) | Galaxy J3 (2018) Unlocked SM-J337UZKAXAA |
| Country or region available |  (Global, International) |  USA |
| Brand | OnePlus | Samsung |
| Release date | 3/30/2021, Announced: 3/23/2021 | 5/1/2018 |
| Depth | 8.7 millimeters (0.34 inches) | 9 millimeters (0.35 inches) |
| Size (width x height) | 73.6 x 163.2 millimeters (2.9 x 6.43 in) | 70.2 x 142.8 millimeters (2.76 x 5.62 in) |
| Weight | 197 grams (6.9 ounces) | 152 grams (5.32 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| Display type | Fluid AMOLED | TFT IPS LCD |
| Screen size | 6.7" inches | 5" inches |
| Screen-to-body ratio | ~89.9% (screen-to-body ratio) | ~68.8% (screen-to-body ratio) |
| Display resolution | 1440x3216 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 526 PPI | 294 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1300nits[peak] HDR10+ Always-On Display | feature not registered |
🤖 Operating System | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| System version | Android 11 | Android 8.0 Oreo |
| Firmware update | Android 13 | feature not registered |
| User Interface | OxygenOS 12 / 13 (Global) ColorOS 12 / 13 (China) | feature not registered |
⚙️ Processor | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 64bit: Samsung Exynos 7570 (14nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | ARM Mali-T720 MP1 (830MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| RAM memory | 12GB LPDDR5 | 2GB LPDDR3 |
| Internal storage | 256GB (220GB available) UFS 3.1 | 16GB (9GB available) eMMC 5.0 |
| External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 | CDMA 800 (China), GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO (China) UMTS 800/850/900/1700/1800/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 VoLTE Global: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) India: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41, 46) China: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41) | LTE Cat4 (Bands 2, 3, 4, 5, 7, 12, 14) |
| Primary 5G network | SA/NSA Global: (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 78) India: (41, 78) China: (1, 3, 28, 41, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 800/850/900/1700/1800/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 VoLTE Global: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) India: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41, 46) China: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26) TD-LTE (34, 38, 39, 40, 41) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP telephoto f/2.477mm1.0µmPDAFOIS3.3x-optical-zoom 50MP ultrawide f/2.214mm1/1.56"1.0µmAF 2MP monochrome f/2.4 | 8 megapixels |
| Main camera resolution | 8000x6000 pixels | 3264x2448 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | 23mm lens | feature not registered |
| Sensor size | 1/1.43" inches | feature not registered |
| Pixel size | 1.12µm pixel | feature not registered |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo only main camera |
| Camera extras | 4K@30/60/120fps 1080p@30/60/240fps Hasselblad Color Calibration Sony IMX689, IMX766. IMX471 sensor | feature not registered |
📸 Front camera | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| Front camera (secondary) | 16 megapixels | 5 megapixels |
| Front camera resolution | 4608x3456 pixels | 2560x1920 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.4 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3.06" inches | feature not registered |
| Pixel size | 1µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz Dolby Atmos | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 4.2 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, SBAS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4500 mAh | 2600 mAh |
| Charger, watts | 65W (10V/6.5A) Wired fast charging USB Power Delivery 1.0 | Wired charging |
| Inductive / wireless charging | 50W Qi Wireless charging (Qi/WPC) | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Stellar Black, Morning Mist, Pine Green | • Colors: Black |
☢️ Radiation rate | ||
| OnePlus 9 Pro (256GB/12GB) | Galaxy J3 2018 (SM-J337U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.2W/kg (head), 1.58W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |