Side by side comparison and review of OPPO R9 and Xiaomi Redmi Note 7. 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 | Xiaomi Redmi Note 7 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 151.8 mm | 159.21 mm | Xiaomi Redmi Note 7 has greater height than OPPO R9. |
| Width | 74.3 mm | 75.21 mm | Xiaomi Redmi Note 7 has greater width than OPPO R9. |
| Depth | 6.6 mm | 8.1 mm | OPPO R9 is narrower than OPPO R9. |
| Weight | 145 g | 186 g | OPPO R9 is lighter than OPPO R9. |
| Body Colour | Gold | Space black | Neptune blue | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.274 W/kg (body), 0.591 W/kg (head), 2.885 W/kg (limb) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | Nano SIM + nano SIM/microSD |
| DISPLAY | OPPO R9 | Xiaomi Redmi Note 7 |
|---|
| Display Type | - | LCD display | |
|---|---|---|---|
| Screen Size (Display Size) | 5.5" | 6.3" | Xiaomi Redmi Note 7 has larger screen size than OPPO R9. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Xiaomi Redmi Note 7 has better screen resolution than OPPO R9. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 401 ppi | 409 ppi | Xiaomi Redmi Note 7 has better pixel density than OPPO R9. |
| Aspect Ratio | - | 19:9 | |
| Max Brightness | - | 500 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | - | Night Display, Reading mode, Colour temperature adjustment, Dot Drop display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | OPPO R9 | Xiaomi Redmi Note 7 |
|---|
| Processor Type (CPU) | MediaTek Helio P10 | Qualcomm Snapdragon 660 AIE | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.2 GHz | Xiaomi Redmi Note 7 has higher clock speed than OPPO R9. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi Note 7 has 64-bit architecture. |
| Graphics System (GPU) | Mali T860 MP2 | Qualcomm ADRENO 512 |
| MEMORY | OPPO R9 | Xiaomi Redmi Note 7 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 3 GB | OPPO R9 has more RAM than Xiaomi Redmi Note 7. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | OPPO R9 has more internal memory than Xiaomi Redmi Note 7. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC, microSDXC - up to 256 GB |
| CAMERA | OPPO R9 | Xiaomi Redmi Note 7 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 2 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 48 Megapixel | Xiaomi Redmi Note 7 has better camera resolution than OPPO R9. |
| Lens Aperture | F/2.2 | F/1.8 | Xiaomi Redmi Note 7 has better lens aperture than OPPO R9. |
| Pixel Size | - | 1.6 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Special Effects | - | HDR, low light enhancement | |
| HDR Mode | Auto HDR mode | Auto HDR mode | |
| Camera Modes | Panorama | Burst mode, Panorama, AI portrait mode | |
| Face Recognition (Face ID) | Face detection | Face recognition | Both phones have face detection. |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), EIS video stabilisation, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, 27 different scenes, AI portrait mode with background blurring |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 5 Megapixel |
|---|
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 13 Megapixel | OPPO R9 has better front camera resolution than Xiaomi Redmi Note 7. |
| Lens Aperture (Front) | F/2.0 | - | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | AI portrait mode, AI Beautify | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi Redmi Note 7 has face detection. |
| Camera Features (Front) | - | Self-timer, AI background bluring, AI scene detection, 12 different scenes |
| BATTERY AND CHARGING | OPPO R9 | Xiaomi Redmi Note 7 |
|---|
| Battery Capacity (Battery Size) | 2850 mAh | 4000 mAh | Xiaomi Redmi Note 7 has larger battery capacity than OPPO R9. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 4.0 | Xiaomi Redmi Note 7 has fast charging technology. |
| Standby Time | - | 251 hours | |
| Talk Time | - | 1380 minutes | |
| Run Time Details | - | Talk: up to 1380 min Standby: up to 251 hrs Playback (video): up to 13 hrs Gaming: up to 7 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R9 | Xiaomi Redmi Note 7 |
|---|
| 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) | Android 9.0 Pie | |
| User Interface | - | MIUI 10 | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R9 | Xiaomi Redmi Note 7 |
|---|
| 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, 800 CDMA2000 1X | 850 GSM, 900 GSM, 1900 GSM, 2100 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 3, Band 5, Band 38, Band 39, Band 40, Band 41 | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 38, Band 40 | |
| 4G LTE Frequency | FDD 2100, FDD 1800+, FDD 850, TDD 2600, TDD 1900, TDD 2300, TDD 2500 | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, TDD 2600, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R9 | Xiaomi Redmi Note 7 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MKV, XviD, MPEG-4, H.264, M4V, ASP |
| FEATURES | OPPO R9 | Xiaomi Redmi Note 7 |
|---|
| 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, ambient light sensor, digital compass, gyro sensor, distance sensor, vibration sensor | |
| Security Devices | Fingerprint reader | Fingerprint reader | |
| Additional Phone Features | Active noise-cancellation | Infrared remote control, Dual microphones |
| OTHERS | OPPO R9 | Xiaomi Redmi Note 7 |
|---|
| Included Accessories | Power adapter | USB cable, power adapter, SIM card removal tool, transparent soft case |
|---|
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