Side by side comparison and review of OPPO R11 and Samsung Galaxy J7 Duo. 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 | OPPO R11 | Samsung Galaxy J7 Duo |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-J720F | |
| Form Factor | Touch | Touch | |
| Height | 154.5 mm | 153.5 mm | OPPO R11 has greater height than Samsung Galaxy J7 Duo. |
| Width | 74.8 mm | 77.2 mm | Samsung Galaxy J7 Duo has greater width than OPPO R11. |
| Depth | 6.8 mm | 8.2 mm | OPPO R11 is narrower than OPPO R11. |
| Weight | 150 g | 174 g | OPPO R11 is lighter than OPPO R11. |
| Body Colour | Black | Black | |
| 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 Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM | |
| SIM Card Qty | Dual-SIM | Single-SIM |
| DISPLAY | OPPO R11 | Samsung Galaxy J7 Duo |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | HD Super AMOLED | |
| Screen Size (Display Size) | 5.5" | 5.5" | Both phones have the same screen size. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 1280 x 720 pixels | OPPO R11 has better screen resolution than Samsung Galaxy J7 Duo. |
| Display Format | Full HD | HD | |
| Pixel Density | 401 ppi | - | |
| Max Brightness | 430 cd/m² | - | |
| Colour Depth | 16.7 million colours | 16.7 million colours | Both phones have the same color depth. |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | OPPO R11 | Samsung Galaxy J7 Duo |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | - | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 1.6 GHz | OPPO R11 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 | OPPO R11 | Samsung Galaxy J7 Duo |
|---|
| RAM | 4 GB | 3 GB | OPPO R11 has more RAM than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | OPPO R11 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 | OPPO R11 | Samsung Galaxy J7 Duo |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 2 | |
|---|---|---|---|
| Sensor Resolution | 20 Megapixel | 13 Megapixel | OPPO R11 has better camera resolution than Samsung Galaxy J7 Duo. |
| Lens Aperture | F/2.6 | F/1.9 | Samsung Galaxy J7 Duo has better lens aperture than OPPO R11. |
| Lens Construction | 6-element | - | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 2x | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Professional mode, portrait mode | - | |
| Face Recognition (Face ID) | Face detection | - | OPPO R11 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) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 16 Megapixel | 5 Megapixel | OPPO R11 has better second camera resolution than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Lens Type (2nd Camera) | Wide-angle lens | - | |
| Lens Aperture (2nd Camera) | F/1.7 | F/1.9 | OPPO R11 has better second camera lens aperture than OPPO R11. |
| Lens Element Qty (2nd Camera) | 5-element | - | |
| Camera Features (2nd Camera) | 5-piece lens | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 8 Megapixel | OPPO R11 has better front camera resolution than Samsung Galaxy J7 Duo. |
| Lens Aperture (Front) | F/2.0 | F/1.9 | Samsung Galaxy J7 Duo has better front lens aperture than OPPO R11. |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - |
| BATTERY AND CHARGING | OPPO R11 | Samsung Galaxy J7 Duo |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | VOOC rapid charging system | - | OPPO R11 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 |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R11 | Samsung Galaxy J7 Duo |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 3.1 (based on Android 7.1) | Google Android | |
| Intelligent Assistant | - | Bixby | |
| Navigation | A-GPS, GLONASS | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R11 | Samsung Galaxy J7 Duo |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | FDD 2100, 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 | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R11 | Samsung Galaxy J7 Duo |
|---|
| 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 R11 | Samsung Galaxy J7 Duo |
|---|
| 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, digital compass, gyro sensor | Accelerometer, proximity sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | - |
| OTHERS | OPPO R11 | Samsung Galaxy J7 Duo |
|---|
| Included Accessories | Headset, carrying case, USB cable, power adapter, SIM card removal tool | Power adapter |
|---|
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