Side by side comparison and review of OPPO R9 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 R9 | Samsung Galaxy J7 Duo |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | SM-J720F | |
| Form Factor | Touch | Touch | |
| Height | 151.8 mm | 153.5 mm | Samsung Galaxy J7 Duo has greater height than OPPO R9. |
| Width | 74.3 mm | 77.2 mm | Samsung Galaxy J7 Duo has greater width than OPPO R9. |
| Depth | 6.6 mm | 8.2 mm | OPPO R9 is narrower than OPPO R9. |
| Weight | 145 g | 174 g | OPPO R9 is lighter than OPPO R9. |
| Body Colour | Gold | 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 (SIM1 and SIM2/MicroSD slots) | Single-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | OPPO R9 | Samsung Galaxy J7 Duo |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | 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 R9 has better screen resolution than Samsung Galaxy J7 Duo. |
| 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 4 (scratch resistant glass) | - |
| PROCESSOR | OPPO R9 | Samsung Galaxy J7 Duo |
|---|
| Processor Type (CPU) | MediaTek Helio P10 | - | |
|---|---|---|---|
| Clock Speed | 2 GHz | 1.6 GHz | OPPO R9 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) | Mali T860 MP2 | - |
| MEMORY | OPPO R9 | Samsung Galaxy J7 Duo |
|---|
| RAM | 4 GB | 3 GB | OPPO R9 has more RAM than Samsung Galaxy J7 Duo. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | OPPO R9 has more internal memory than Samsung Galaxy J7 Duo. |
| User Memory | - | 21.9 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | OPPO R9 | Samsung Galaxy J7 Duo |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | F/2.2 | F/1.9 | Samsung Galaxy J7 Duo has better lens aperture than OPPO R9. |
| Focus Adjustment | Automatic | Automatic | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama | - | |
| Face Recognition (Face ID) | Face detection | - | OPPO R9 has face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel | |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/1.9 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 8 Megapixel | OPPO R9 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 R9. |
| BATTERY AND CHARGING | OPPO R9 | Samsung Galaxy J7 Duo |
|---|
| Battery Capacity (Battery Size) | 2850 mAh | 3000 mAh | Samsung Galaxy J7 Duo has larger battery capacity than OPPO R9. |
|---|---|---|---|
| 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 R9 | Samsung Galaxy J7 Duo |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 3.0 (based on Android 5.1) | Google Android | |
| Intelligent Assistant | - | Bixby | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R9 | Samsung Galaxy J7 Duo |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | 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 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 850, 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 | IEEE 802.11a/b/g/n/ac, ANT+/ANT | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R9 | 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 R9 | Samsung Galaxy J7 Duo |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, 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 | Active noise-cancellation | - |
| OTHERS | OPPO R9 | Samsung Galaxy J7 Duo |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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