Side by side comparison and review of OPPO R9 and Xiaomi Redmi Note 11 Pro. 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 11 Pro |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 151.8 mm | 164.19 mm | Xiaomi Redmi Note 11 Pro has greater height than OPPO R9. |
| Width | 74.3 mm | 76.1 mm | Xiaomi Redmi Note 11 Pro has greater width than OPPO R9. |
| Depth | 6.6 mm | 8.12 mm | OPPO R9 is narrower than OPPO R9. |
| Weight | 145 g | 202 g | OPPO R9 is lighter than OPPO R9. |
| Body Colour | Gold | Graphite grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.857 W/kg (body), 0.576 W/kg (head), 1.985 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 | - | |
| SIM Card Qty | Dual-SIM (SIM1 and SIM2/MicroSD slots) | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | OPPO R9 | Xiaomi Redmi Note 11 Pro |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.67" | Xiaomi Redmi Note 11 Pro has larger screen size than OPPO R9. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2400 x 1080 pixels | Xiaomi Redmi Note 11 Pro has better screen resolution than OPPO R9. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 401 ppi | 395 ppi | OPPO R9 has better pixel density than Xiaomi Redmi Note 11 Pro. |
| Max Brightness | - | 1200 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 4500000:1 | |
| Display Enhancement Technology | - | Sunlight mode, Reading mode 3.0 | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | - | DCI-P3 Wide colour gamut, Dot Display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 4 (scratch resistant glass) | - |
| PROCESSOR | OPPO R9 | Xiaomi Redmi Note 11 Pro |
|---|
| Processor Type (CPU) | MediaTek Helio P10 | MediaTek Helio G96 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.05 GHz | Xiaomi Redmi Note 11 Pro has higher clock speed than OPPO R9. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Mali T860 MP2 | ARM Mali-G57 MC2 |
| MEMORY | OPPO R9 | Xiaomi Redmi Note 11 Pro |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 6 GB | Xiaomi Redmi Note 11 Pro has more RAM than OPPO R9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Xiaomi Redmi Note 11 Pro has more internal memory than OPPO R9. |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSD |
| CAMERA | OPPO R9 | Xiaomi Redmi Note 11 Pro |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 108 Megapixel | Xiaomi Redmi Note 11 Pro has better camera resolution than OPPO R9. |
| Sensor Size | - | 1/1.52" | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.2 | F/1.9 | Xiaomi Redmi Note 11 Pro has better lens aperture than OPPO R9. |
| Pixel Size | - | 0.7 μm | |
| 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, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | - | 9-in-1 pixel binning |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Field of View (2nd Camera) | - | 118 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.4 | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 16 Megapixel | Both phones have the same front camera resolution. |
| Lens Aperture (Front) | F/2.0 | F/2.4 | OPPO R9 has better front lens aperture than OPPO R9. |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | OPPO R9 | Xiaomi Redmi Note 11 Pro |
|---|
| Battery Capacity (Battery Size) | 2850 mAh | 5000 mAh | Xiaomi Redmi Note 11 Pro has larger battery capacity than OPPO R9. |
|---|---|---|---|
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R9 | Xiaomi Redmi Note 11 Pro |
|---|
| 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 11 | |
| User Interface | - | MIUI 13 | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO R9 | Xiaomi Redmi Note 11 Pro |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | FDD-LTE, TDD-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 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 12, Band 13, Band 17, Band 20, Band 26, Band 28, Band 32, Band 38, Band 40, Band 41, Band 66 | |
| 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 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.1 | |
| NFC | - | Yes | Xiaomi Redmi Note 11 Pro has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO R9 | Xiaomi Redmi Note 11 Pro |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | - | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | - | |
| Sound Enhancements | - | Hi-Res audio certified |
| FEATURES | OPPO R9 | Xiaomi Redmi Note 11 Pro |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, digital compass, gyro sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyroscope | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Active noise-cancellation | LiquidCool Technology, Z-axis linear vibration motor, IR blaster |
| OTHERS | OPPO R9 | Xiaomi Redmi Note 11 Pro |
|---|
| Included Accessories | Power adapter | SIM card removal tool, USB-C cable, protective case, 67W charger |
|---|
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