Side by side comparison and review of OPPO R11 and Xiaomi Redmi 9. 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 | Xiaomi Redmi 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 154.5 mm | 163.32 mm | Xiaomi Redmi 9 has greater height than OPPO R11. |
| Width | 74.8 mm | 77.01 mm | Xiaomi Redmi 9 has greater width than OPPO R11. |
| Depth | 6.8 mm | 9.1 mm | OPPO R11 is narrower than OPPO R11. |
| Weight | 150 g | 198 g | OPPO R11 is lighter than OPPO R11. |
| Body Colour | Black | Carbon grey | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb) | |
| Integrated Components | - | Ultra-linear speaker | |
| 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 | Dual-SIM |
| DISPLAY | OPPO R11 | Xiaomi Redmi 9 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Full HD Super AMOLED | - | |
| Screen Size (Display Size) | 5.5" | 6.53" | Xiaomi Redmi 9 has larger screen size than OPPO R11. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2340 x 1080 pixels | Xiaomi Redmi 9 has better screen resolution than OPPO R11. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 401 ppi | 394 ppi | OPPO R11 has better pixel density than Xiaomi Redmi 9. |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | 430 cd/m² | 400 cd/m² | OPPO R11 has better display brightness than Xiaomi Redmi 9. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 1500:1 | |
| Display Enhancement Technology | - | Sunlight mode | |
| Display Features | - | Colour temperature adjustment, Dot Drop display, Reading mode 2.0 | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | OPPO R11 | Xiaomi Redmi 9 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 660 | MediaTek Helio G80 | |
|---|---|---|---|
| Clock Speed | 2.2 GHz | 2 GHz | OPPO R11 has higher clock speed than Xiaomi Redmi 9. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | - | Yes | Xiaomi Redmi 9 has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 512 | Mali-G52 MC2 |
| MEMORY | OPPO R11 | Xiaomi Redmi 9 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSD |
| CAMERA | OPPO R11 | Xiaomi Redmi 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 4 | |
|---|---|---|---|
| Sensor Resolution | 20 Megapixel | 13 Megapixel | OPPO R11 has better camera resolution than Xiaomi Redmi 9. |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/2.6 | F/2.2 | Xiaomi Redmi 9 has better lens aperture than OPPO R11. |
| Lens Construction | 6-element | - | |
| Field of View (FoV) | - | 75.2 degree(s) | |
| Focus Adjustment | Automatic | Automatic | |
| Digital Zoom | 2x | - | |
| Special Effects | - | HDR, Kaleidoscope | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Panorama, Professional mode, portrait mode | Portrait mode | |
| Face Recognition (Face ID) | Face detection | - | OPPO R11 has face detection. |
| Light Source | LED light | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF) | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 16 Megapixel | 8 Megapixel | OPPO R11 has better second camera resolution than Xiaomi Redmi 9. |
|---|---|---|---|
| Lens Type (2nd Camera) | Wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/1.7 | F/2.2 | OPPO R11 has better second camera lens aperture than OPPO R11. |
| Lens Element Qty (2nd Camera) | 5-element | - | |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Camera Features (2nd Camera) | 5-piece lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 5 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) | 20 Megapixel | 8 Megapixel | OPPO R11 has better front camera resolution than Xiaomi Redmi 9. |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Field of View (Front) | - | 77.8 degree(s) | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | - | Portrait mode | |
| Light Source (Front) | - | Display flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | - | Self-timer, Palm shutter |
| BATTERY AND CHARGING | OPPO R11 | Xiaomi Redmi 9 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 5020 mAh | Xiaomi Redmi 9 has larger battery capacity than OPPO R11. |
|---|---|---|---|
| Fast Charging Technology | VOOC rapid charging system | - | OPPO R11 has fast charging technology. |
| Talk Time | - | 1860 minutes | |
| Run Time Details | - | Talk: up to 1860 min Continuous navigation: up to 19 hrs Playback (video): up to 19 hrs Playback (Music): up to 185 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | OPPO R11 | Xiaomi Redmi 9 |
|---|
| 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) | - | |
| Navigation | A-GPS, GLONASS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OPPO R11 | Xiaomi Redmi 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 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 4, Band 5, Band 7, Band 8, Band 20, Band 28, 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 28, 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 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.2 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OPPO R11 | Xiaomi Redmi 9 |
|---|
| Supported Digital Audio Standards | WAV, MP3, FLAC, eAAC+ | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MPEG-4, H.264 | MKV, H.264, ASP, MP4 |
| FEATURES | OPPO R11 | Xiaomi Redmi 9 |
|---|
| 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, ambient light sensor, digital compass, distance sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader | Face recognition, fingerprint reader | |
| Additional Phone Features | MIMO technology, Active noise-cancellation | Fast Charging, AI face unlock |
| OTHERS | OPPO R11 | Xiaomi Redmi 9 |
|---|
| Included Accessories | Headset, carrying case, USB cable, power adapter, SIM card removal tool | SIM card removal tool, USB-C cable, TPU case, 10W charger |
|---|
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
