In depth comparison and review of OPPO R7s and Samsung Galaxy J3 (2017) DUOS. 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 | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-J330F | |
| Form Factor | Touch | Touch | |
| Height | 151.8 mm | 143.2 mm | OPPO R7s has greater height than Samsung Galaxy J3 (2017) DUOS. |
| Width | 75.4 mm | 70.3 mm | OPPO R7s has greater width than Samsung Galaxy J3 (2017) DUOS. |
| Depth | 7 mm | 8.2 mm | OPPO R7s is narrower than OPPO R7s. |
| Weight | 155 g | 142 g | Samsung Galaxy J3 (2017) DUOS is lighter than OPPO R7s. |
| Body Colour | Rose gold | Black | Blue | |
| Body Material | - | Metal | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.066 W/kg (body), 0.799 W/kg (head) | 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 |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Micro SIM, nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Micro SIM + nano SIM/microSD | - |
| DISPLAY | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | PLS | |
| Screen Size (Display Size) | 5.5" | 5" | OPPO R7s has larger screen size than Samsung Galaxy J3 (2017) DUOS. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | OPPO R7s has better screen resolution than Samsung Galaxy J3 (2017) DUOS. |
| Display Format | Full HD | HD | |
| Pixel Density | 401 ppi | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | - | |
|---|---|---|---|
| Clock Speed | 1.5 GHz | 1.4 GHz | OPPO R7s has higher clock speed than Samsung Galaxy J3 (2017) DUOS. |
| Processor Core Qty | 8-core | Quad-core | OPPO R7s has higher processor core quantity than Samsung Galaxy J3 (2017) DUOS. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | - |
| MEMORY | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| RAM | 4 GB | 2 GB | OPPO R7s has more RAM than Samsung Galaxy J3 (2017) DUOS. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | OPPO R7s has more internal memory than Samsung Galaxy J3 (2017) DUOS. |
| User Memory | - | 10.3 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.2 | F/1.9 | Samsung Galaxy J3 (2017) DUOS has better lens aperture than OPPO R7s. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | Panorama, Pro mode, night mode | |
| Face Recognition (Face ID) | Face detection | - | OPPO R7s has face detection. |
| Light Source | LED light | LED light | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | OPPO R7s has better front camera resolution than Samsung Galaxy J3 (2017) DUOS. |
| Lens Aperture (Front) | F/2.4 | F/2.2 | Samsung Galaxy J3 (2017) DUOS has better front lens aperture than OPPO R7s. |
| Special Effects (Front) | - | HDR |
| BATTERY AND CHARGING | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| Battery Capacity (Battery Size) | 3070 mAh | 2400 mAh | OPPO R7s has larger battery capacity than Samsung Galaxy J3 (2017) DUOS. |
|---|---|---|---|
| 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 |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 2.1 (based on Android 5.1) | Android 7.0 Nougat | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-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 | |
| 3G UMTS Frequency | - | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | Band 1, Band 2, Band 4, Band 7, Band 17 | 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 1700 - 2110 AWS, FDD 2600, FDD 700b | 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 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.2 | |
| Bluetooth Profiles | - | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, PBAP, MAP, DIP, HOGP | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WMA, MP3, FLAC, OGG, MP4 | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | VC-1, MPEG-4, H.264, H.263, MP43, VP8, VP9, H.265, WMV7 |
| FEATURES | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | Speakerphone, call timer, conference call, flight mode, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass | Accelerometer, proximity sensor | |
| Additional Phone Features | Noise Cancellation Technology | Dual Messenger |
| OTHERS | OPPO R7s | Samsung Galaxy J3 (2017) DUOS |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
