Detailed comparison and review of OPPO R7s and Samsung Galaxy J3 (2017) Dual Sim. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | OPPO R7s | Samsung Galaxy J3 (2017) Dual Sim |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-J330F/DS | |
| Form Factor | Touch | Touch | |
| Height | 151.8 mm | 143.2 mm | OPPO R7s has greater height than Samsung Galaxy J3 (2017) Dual Sim. |
| Width | 75.4 mm | 70.3 mm | OPPO R7s has greater width than Samsung Galaxy J3 (2017) Dual Sim. |
| Depth | 7 mm | 8.2 mm | OPPO R7s is narrower than OPPO R7s. |
| Weight | 155 g | 142 g | Samsung Galaxy J3 (2017) Dual Sim is lighter than OPPO R7s. |
| Body Colour | Rose gold | Blue silver | |
| 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) Dual Sim |
|---|
| 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) Dual Sim. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | OPPO R7s has better screen resolution than Samsung Galaxy J3 (2017) Dual Sim. |
| 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) Dual Sim |
|---|
| 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) Dual Sim. |
| Processor Core Qty | 8-core | Quad-core | OPPO R7s has higher processor core quantity than Samsung Galaxy J3 (2017) Dual Sim. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | - |
| MEMORY | OPPO R7s | Samsung Galaxy J3 (2017) Dual Sim |
|---|
| RAM | 4 GB | 2 GB | OPPO R7s has more RAM than Samsung Galaxy J3 (2017) Dual Sim. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | OPPO R7s has more internal memory than Samsung Galaxy J3 (2017) Dual Sim. |
| 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) Dual Sim |
|---|
| 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) Dual Sim has better lens aperture than OPPO R7s. |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | - | |
| Face Recognition (Face ID) | Face detection | - | OPPO R7s has face detection. |
| Light Source | LED light | LED flash | |
| 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) Dual Sim. |
| Lens Aperture (Front) | F/2.4 | F/2.2 | Samsung Galaxy J3 (2017) Dual Sim has better front lens aperture than OPPO R7s. |
| Light Source (Front) | - | LED flash |
| BATTERY AND CHARGING | OPPO R7s | Samsung Galaxy J3 (2017) Dual Sim |
|---|
| Battery Capacity (Battery Size) | 3070 mAh | 2400 mAh | OPPO R7s has larger battery capacity than Samsung Galaxy J3 (2017) Dual Sim. |
|---|---|---|---|
| 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) Dual Sim |
|---|
| 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) | Google Android | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R7s | Samsung Galaxy J3 (2017) Dual Sim |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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, HOGP | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R7s | Samsung Galaxy J3 (2017) Dual Sim |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 |
| FEATURES | OPPO R7s | Samsung Galaxy J3 (2017) Dual Sim |
|---|
| 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) Dual Sim |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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