Side by side comparison and review of Samsung Galaxy J7 Duo and OPPO R11s. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-J720F | - | |
| Form Factor | Touch | Touch | |
| Height | 153.5 mm | 155.1 mm | OPPO R11s has greater height than Samsung Galaxy J7 Duo. |
| Width | 77.2 mm | 75.5 mm | Samsung Galaxy J7 Duo has greater width than OPPO R11s. |
| Depth | 8.2 mm | 7.1 mm | OPPO R11s is narrower than Samsung Galaxy J7 Duo. |
| Weight | 174 g | 153 g | OPPO R11s is lighter than Samsung Galaxy J7 Duo. |
| Body Colour | Black | Champagne | |
| Body Material | - | Aluminium | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.397 W/kg (body), 0.543 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 | |
| SIM Card Type (Size) | Micro SIM | Nano SIM | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | HD Super AMOLED | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.01" | OPPO R11s has larger screen size than Samsung Galaxy J7 Duo. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 2160 x 1080 pixels | OPPO R11s has better screen resolution than Samsung Galaxy J7 Duo. |
| Display Format | HD | - | |
| Aspect Ratio | - | 18:9 | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| PROCESSOR | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| Processor Type (CPU) | - | Qualcomm Snapdragon 660 | |
|---|---|---|---|
| Clock Speed | 1.6 GHz | 2.2 GHz | OPPO R11s has higher clock speed than Samsung Galaxy J7 Duo. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | - | Qualcomm ADRENO 512 |
| MEMORY | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| RAM | 3 GB | 4 GB | OPPO R11s has more RAM than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 64 GB | OPPO R11s has more internal memory than Samsung Galaxy J7 Duo. |
| User Memory | 21.9 GB | - | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 20 Megapixel | OPPO R11s has better camera resolution than Samsung Galaxy J7 Duo. |
| Lens Aperture | F/1.9 | F/1.7 | OPPO R11s has better lens aperture than Samsung Galaxy J7 Duo. |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | Bokeh effect | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | - | OPPO Portrait Lab |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 5 Megapixel | 16 Megapixel | OPPO R11s has better second camera resolution than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | F/1.9 | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 20 Megapixel | OPPO R11s has better front camera resolution than Samsung Galaxy J7 Duo. |
| Lens Aperture (Front) | F/1.9 | F/2.0 | Samsung Galaxy J7 Duo has better front lens aperture than Samsung Galaxy J7 Duo. |
| Camera Features (Front) | - | A.I. beauty recognition technology |
| BATTERY AND CHARGING | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3205 mAh | OPPO R11s has larger battery capacity than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Fast Charging Technology | - | VOOC Flash Charge technology | OPPO R11s has fast charging technology. |
| Talk Time | 1200 minutes | - | |
| Run Time Details | Active online usage (WCDMA): up to 11 hrs Active online usage (LTE): up to 13 hrs Active online usage (Wi-Fi): up to 13 hrs Playback (video): up to 17 hrs Playback (audio): up to 66 hrs Talk (WCDMA): up to 1200 min |
- |
| CELLULAR | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Google Android | ColorOS 3.2 (based on Android 7.1) | |
| Intelligent Assistant | Bixby | - | |
| Navigation | GPS, GLONASS, BeiDou | GPS |
| COMMUNICATIONS | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| 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 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 1900, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 39, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.2 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MPEG-4, WMV, ASF, 3GP, M4V, WebM, 3G2 | - |
| FEATURES | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor | Ambient light sensor, proximity sensor, digital compass, gyro sensor, G-sensor | |
| Security Devices | Face recognition, fingerprint reader | Face recognition | |
| Security Technology | - | A.I. face recognition | |
| Additional Phone Features | - | MIMO technology, Smart Power Saving Mode, Split Screen, OPPO Share |
| OTHERS | Samsung Galaxy J7 Duo | OPPO R11s |
|---|
| Included Accessories | Power adapter | Headset, carrying case, USB cable, power adapter, SIM card removal tool |
|---|
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