Complete technical specifications, details, expert ratings and review of Samsung Galaxy J3 (2017) DUOS. Find out how your chosen phone stacks up against the competition and whether it's the one that best meets your expectations with the phone comparison feature.
design and dimensions display processor memory camera battery and charging cellular communications media features others
DESIGN AND DIMENSIONS Samsung Galaxy J3 (2017) DUOS |
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Product Type | Smartphone | |
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Manufacturer Model Number | SM-J330F | |
Form Factor | Touch | |
Height | 143.2 mm | Better than 58 % of phones rated. |
Width | 70.3 mm | Better than 56 % of phones rated. |
Depth | 8.2 mm | Better than 79 % of phones rated. |
Weight | 142 g | Better than 52 % of phones rated. |
Body Colour | Black | Blue | |
Body Material | Metal | |
Waterproof (Water-resistant) | - | |
SAR Value | 1.32 W/kg (body), 0.658 W/kg (head) | |
Connector Type |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
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SIM Card Type (Size) | Nano SIM | |
SIM Card Qty | Dual-SIM |
The Samsung Galaxy J3 (2017) DUOS has a height of 143.2 mm, a width of 70.3 mm and a thickness of 8.2 mm. The weight of the phone is 142 g.
Show moreDISPLAY Samsung Galaxy J3 (2017) DUOS |
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Display Type | LCD display | |
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Display Technology | PLS | |
Screen Size (Display Size) | 5" | Better than 56 % of phones rated. |
Screen Resolution (Display Resolution) | 1280 x 720 pixels | Better than 63 % of phones rated. |
Display Format | HD | |
Colour Depth | 16.7 million colours | Better than 98 % of phones rated. |
The screen size reaches 5" inches. Phones with smaller displays are easier to use with one hand. The experience is less pleasant compared to phones with large displays. However, if you're buying a phone for basic use and don't want, for example, a good gaming experience or a large screen for watching movies, this size should be good enough for you. The disadvantage of LCD displays is the relatively lower color contrast displayed, as the technology cannot display absolute black well. Also due to the higher power consumption, LCD displays are no longer as common in phones. Even so, some manufacturers still equip their phones with LCD technology. However, modern smartphones are already using OLED technology. The advantage of LCD phones is that they tend to be cheaper to build than OLED technology.
Display Resolution of Samsung Galaxy J3 (2017) DUOS is 1280 x 720 pixels. A higher display resolution is a prerequisite for a sharper image. The standard for mid-range phones today is a Full HD resolution of 1920 × 1080 px. Cheaper phones, which usually have a smaller diagonal, have an HD resolution of 1280 × 720 px. Smaller resolutions can only be found in older models. Best phones, on the other hand, have a 4K resolution of 3840 x 2160 px.
PROCESSOR Samsung Galaxy J3 (2017) DUOS |
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Clock Speed | 1.4 GHz | Worse than 52 % of phones rated. |
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Processor Core Qty | Quad-core | Worse than 57 % of phones rated. |
The number of processor cores is 4. It is a number of cores that plays an important role in evaluating the performance of phone as it is responsible for computing operations. Smartphones already commonly have a core count of around 4 to 8. Multi-core processors can perform better and reduce the processing time of a request to a minimum, which is reflected in the responsiveness of the phone, e.g. in the speed of opening applications. The processor frequency indicates how many instructions phone can process in 1 second. The higher the frequency, the better the performance. Standard processor frequency range today is between 1.8 GHz and 2.8 GHz. Samsung Galaxy J3 (2017) DUOS reaches the frequency of 1.4 GHz.
Show moreMEMORY Samsung Galaxy J3 (2017) DUOS |
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RAM | 2 GB | Better than 55 % of phones rated. |
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Internal Memory Size (Storage Capacity) | 16 GB | Worse than 53 % of phones rated. |
User Memory | 10.3 GB | |
Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB |
The phone´s internal memory capacity is 16 GB. The size of the internal storage determines e.g., how many photos, songs, movies, or applications you can store on your phone. This memory capacity is ideal for those who have a few basic apps and a few dozen photos on their phone. If you don't expect to use your phone to play games or need to store high-resolution photos, this size should be sufficient. There is almost no probability you're likely to see this low capacity on new smartphones. The standard memory today is around 64 and 128 GB. The best phones have internal memory of 256 GB or more. Luckily, most smartphone manufacturers nowadays offer models with different memory sizes to suit every user.
An additional option to increase the storage capacity of this model is to insert a memory card.
RAM memory of the Samsung Galaxy J3 (2017) DUOS is 2 GB. Most powerful phones currently have an operating memory of 12 GB or more, which is especially useful for demanding users such as gaming enthusiasts. Normally, phones nowadays have 6 to 8 GB of RAM, which means that the phone can easily handle normal operation and more demanding applications. Operating memory of less than 4 GB is found in lower-end phones or older models, and they are suitable for low-end users who don't use demanding applications and have the phone more for basic use.
CAMERA Samsung Galaxy J3 (2017) DUOS |
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MAIN CAMERA |
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Number of Main Cameras | 1 | |
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Sensor Resolution | 13 Megapixel | Better than 78 % of phones rated. |
Lens Aperture | F/1.9 | Better than 55 % of phones rated. |
Focus Adjustment | Automatic | |
Special Effects | HDR | |
Camera Modes | Panorama, Pro mode, night mode | |
Light Source | LED light | |
Video Resolutions | 1920 x 1080 (1080p) at 30 fps |
FRONT CAMERA |
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Number of Front Cameras | 1 | |
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Sensor Resolution (Front) | 5 Megapixel | Worse than 55 % of phones rated. |
Lens Aperture (Front) | F/2.2 | Better than 51 % of phones rated. |
Special Effects (Front) | HDR |
The rear camera of the Samsung Galaxy J3 (2017) DUOS has only one lens. Single lens is more typical for older phones or lower-end phones with lower quality cameras. The rear cameras of modern phones nowadays are usually equipped with two, three and sometimes even five rear camera lenses. The resolution of the main lens is 13 Megapixel. Higher resolution does not necessarily mean super high quality photos. Furthermore, it depends on the pixel size but also on other important factors. The aperture of main lens reaches F/1.9 value. The best phones have a lens with an aperture of up to F/1.5, where more light can pass through sensor and photos will be of a high quality even in low light conditions. However, lenses with apertures around F/1.8 to F/2.2 are the most common. The lower the number after the slash, the better the photo quality.
Front camera
The front camera of phone Samsung Galaxy J3 (2017) DUOS has one lens. This number of lenses is standard on most smartphones nowadays. The resolution of front lens reaches 5 Megapixel. Again, it should be noted that resolution is only one of several other significant factors that affect resulting quality of a photo. The main lens is also equipped with aperture of F/2.2.
BATTERY AND CHARGING Samsung Galaxy J3 (2017) DUOS |
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Battery Capacity (Battery Size) | 2400 mAh | Better than 54 % of phones rated. |
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Talk Time | 900 minutes | Better than 69 % of phones rated. |
Run Time Details |
Playback (Music): up to 61 hrs Continuous browsing (3G): up to 12 hrs Playback (video): up to 14 hrs Continuous browsing (4G): up to 14 hrs Talk (3G): up to 900 min Continuous browsing (Wi-Fi): up to 14 hrs |
The battery size of Samsung Galaxy J3 (2017) DUOS is 2400 mAh. Nevertheless, battery capacity is not the only factor that affects the phone's battery life. For example - the size of the display, the performance of the processor, the use of data functions and, of course, the intensity of use of phone in general all have a significant impact on battery life. Standard for most smartphones today is a battery capacity of around 4500 to 5000 mAH. Phones with this battery size usually guarantee a phone life of at least 1 day. Older or cheaper smartphone models can then reach battery capacities typically around 2500 mAH and below. With this capacity, you may find that if you use your phone heavily, you may need to recharge your phone during the day. Talk time, or we can say battery life when making calls, then indicates amount of time your phone will last from a full charge if you are constantly on a call. Samsung Galaxy J3 (2017) DUOS is provided with a talk time about 900 minutes.
Show moreCELLULAR Samsung Galaxy J3 (2017) DUOS |
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Technology | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | Better than 88 % of phones rated. |
Operating System | Android 7.0 Nougat | |
Navigation | GPS, GLONASS, BeiDou |
Samsung Galaxy J3 (2017) DUOS supports 4G. 5G connectivity, which is slowly replacing standard 4G connectivity, is still more the preserve of the latest phones. The operating system in this case is Android 7.0 Nougat.
Show moreCOMMUNICATIONS Samsung Galaxy J3 (2017) DUOS |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | |
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2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | |
3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | |
4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 17, Band 20, Band 38, Band 40 | |
4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700b, FDD 800 DD, TDD 2600, TDD 2300 | |
Wireless Interface | IEEE 802.11b/g/n | |
Bluetooth | Bluetooth 4.2 | |
Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | |
Messaging Services | SMS, MMS |
Basic connectivity standards also include Bluetooth 4.2, making it easy to communicate wirelessly with other devices such as headphones, tablets, speakers and smartwatches.
Show moreMEDIA Samsung Galaxy J3 (2017) DUOS |
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Supported Digital Audio Standards | WMA, MP3, FLAC, OGG, MP4 | |
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Supported Digital Video Standards | VC-1, MPEG-4, H.264, H.263, MP43, VP8, VP9, H.265, WMV7 |
FEATURES Samsung Galaxy J3 (2017) DUOS |
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Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
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Sensors | Accelerometer, proximity sensor | |
Additional Phone Features | Dual Messenger |
OTHERS Samsung Galaxy J3 (2017) DUOS |
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Included Accessories | Power adapter |
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