In depth comparison and review of Samsung Galaxy J3 (2017) DUOS and OPPO Reno7. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J330F | CPH2363 | |
| Form Factor | Touch | Touch | |
| Height | 143.2 mm | 159.9 mm | OPPO Reno7 has greater height than Samsung Galaxy J3 (2017) DUOS. |
| Width | 70.3 mm | 73.2 mm | OPPO Reno7 has greater width than Samsung Galaxy J3 (2017) DUOS. |
| Depth | 8.2 mm | 7.54 mm | OPPO Reno7 is narrower than Samsung Galaxy J3 (2017) DUOS. |
| Weight | 142 g | 175 g | Samsung Galaxy J3 (2017) DUOS is lighter than Samsung Galaxy J3 (2017) DUOS. |
| Body Colour | Black | Blue | Sunset orange | Cosmic black | |
| Body Material | Metal | Fibreglass leather | |
| Protection | - | Splashproof | |
| Waterproof (Water-resistant) | - | - | OPPO Reno7 is waterproof. |
| IP rating | - | IPX4 | |
| SAR Value | 1.32 W/kg (body), 0.658 W/kg (head) | 1.03 W/kg (body), 0.8 W/kg (head), 2.36 W/kg (limb) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM, nanoUIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | PLS | AMOLED | |
| Screen Size (Display Size) | 5" | 6.43" | OPPO Reno7 has larger screen size than Samsung Galaxy J3 (2017) DUOS. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2400 x 1080 pixels | OPPO Reno7 has better screen resolution than Samsung Galaxy J3 (2017) DUOS. |
| Display Format | HD | - | |
| Pixel Density | - | 409 ppi | |
| Max Brightness | - | 600 cd/m² | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| HDR | - | Yes | OPPO Reno7 has HDR. |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | - | Eye Care, sRGB support, 97% NTSC, High brightness mode, Vivid mode, 95% DCI-P3, adaptive sleep | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 680 | |
|---|---|---|---|
| Clock Speed | 1.4 GHz | 2.4 GHz | OPPO Reno7 has higher clock speed than Samsung Galaxy J3 (2017) DUOS. |
| Processor Core Qty | Quad-core | 8-core | OPPO Reno7 has higher processor core quantity than Samsung Galaxy J3 (2017) DUOS. |
| Graphics System (GPU) | - | Qualcomm ADRENO 610 |
| MEMORY | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 8 GB + up to 5 GB virtual extension | OPPO Reno7 has more RAM than Samsung Galaxy J3 (2017) DUOS. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 128 GB | OPPO Reno7 has more internal memory than Samsung Galaxy J3 (2017) DUOS. |
| User Memory | 10.3 GB | - | |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 64 Megapixel | OPPO Reno7 has better camera resolution than Samsung Galaxy J3 (2017) DUOS. |
| Lens Aperture | F/1.9 | F/1.7 | OPPO Reno7 has better lens aperture than Samsung Galaxy J3 (2017) DUOS. |
| Lens Construction | - | 6-element | |
| Field of View (FoV) | - | 79 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | HDR | Stickers | |
| Camera Modes | Panorama, Pro mode, night mode | Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, Portrait, Extra HD, 108MP mode, Text scanner, Bokeh Flare Portrait | |
| Light Source | LED light | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | - | EIS video stabilisation, Google Lens, multi-frame photo capture, open-loop motor |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Microlens | |
| Lens Aperture (2nd Camera) | - | F/3.3 | |
| Lens Element Qty (2nd Camera) | - | 3-element | |
| Field of View (2nd Camera) | - | 65 degree(s) | |
| Camera Modes (2nd Camera) | - | Microscope | |
| Camera Features (2nd Camera) | - | IR lens |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Lens Element Qty (3rd Camera) | - | 3-element | |
| Field of View (3rd Camera) | - | 89 degree(s) | |
| Camera Functions (3rd Camera) | - | Depth camera | |
| Camera Features (3rd Camera) | - | Monochrome, IR lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | OPPO Reno7 has better front camera resolution than Samsung Galaxy J3 (2017) DUOS. |
| Sensor Name (Front) | - | Sony IMX709 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.4 | Samsung Galaxy J3 (2017) DUOS has better front lens aperture than Samsung Galaxy J3 (2017) DUOS. |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 85 degree(s) | |
| Special Effects (Front) | HDR | HDR, Stickers | |
| Camera Modes (Front) | - | Panorama, Time-lapse mode, night mode, Portrait, Bokeh Flare Portrait | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | Video stabilisation |
| BATTERY AND CHARGING | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| Battery Capacity (Battery Size) | 2400 mAh | 4500 mAh | OPPO Reno7 has larger battery capacity than Samsung Galaxy J3 (2017) DUOS. |
|---|---|---|---|
| Fast Charging Technology | - | SuperVOOC Flash Charge technology | OPPO Reno7 has fast charging technology. |
| Talk Time | 900 minutes | - | |
| 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 |
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| CELLULAR | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 7.0 Nougat | ColorOS 12.1 (based on Android 12) | |
| Navigation | GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | FDD-LTE, TD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 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 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 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 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.1 LE | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | SBC | |
| NFC | - | Yes | OPPO Reno7 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| Supported Digital Audio Standards | WMA, MP3, FLAC, OGG, MP4 | AAC, apt-X, LDAC, SBC, apt-X HD | |
|---|---|---|---|
| Supported Digital Video Standards | VC-1, MPEG-4, H.264, H.263, MP43, VP8, VP9, H.265, WMV7 | - |
| FEATURES | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Accelerometer, proximity sensor, pedometer, digital compass, geomagnetic sensor, gravity sensor, optical sensor, gyroscope | |
| Security Devices | - | Fingerprint reader (under display), face recognition | |
| Security Technology | - | Face Unlock | |
| Additional Phone Features | Dual Messenger | Air Gesture, Fast Charging, OTG Reverse Charge, Game focus mode |
| OTHERS | Samsung Galaxy J3 (2017) DUOS | OPPO Reno7 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, protective case | |
|---|---|---|---|
| Compliant Standards | - | IPX4, SGS Eye Care Display Certification |
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