In depth comparison and review of OPPO R9s and Xiaomi Redmi Note 11. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.
| DESIGN AND DIMENSIONS | OPPO R9s | Xiaomi Redmi Note 11 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 153 mm | 159.87 mm | Xiaomi Redmi Note 11 has greater height than OPPO R9s. |
| Width | 74.3 mm | 73.87 mm | OPPO R9s has greater width than Xiaomi Redmi Note 11. |
| Depth | 6.58 mm | 8.09 mm | OPPO R9s is narrower than OPPO R9s. |
| Weight | 145 g | 179 g | OPPO R9s is lighter than OPPO R9s. |
| Body Colour | Red | Black | Rose gold | Gold | Twilight blue | Blue star | Graphite grey | |
| Protection | - | Dustproof, splashproof | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | - | IP53 | |
| SAR Value | - | 0.989 W/kg (body), 0.596 W/kg (head), 1.996 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 R9s | Xiaomi Redmi Note 11 |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | AMOLED | |
| Screen Size (Display Size) | 5.5" | 6.43" | Xiaomi Redmi Note 11 has larger screen size than OPPO R9s. |
| Screen Resolution (Display Resolution) | 1920 x 1080 pixels | 2400 x 1080 pixels | Xiaomi Redmi Note 11 has better screen resolution than OPPO R9s. |
| Display Format | Full HD | Full HD+ | |
| Pixel Density | 401 ppi | 409 ppi | Xiaomi Redmi Note 11 has better pixel density than OPPO R9s. |
| Max Brightness | - | 1000 cd/m² | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | - | 4500000:1 | |
| Display Enhancement Technology | - | Sunlight mode, Reading mode 3.0 | |
| Display Refresh Rate | - | 90 Hz | |
| Touch Sampling Rate | - | 180 Hz | |
| Display Features | - | DCI-P3 Wide colour gamut, Dot Display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | OPPO R9s | Xiaomi Redmi Note 11 |
|---|
| Processor Type (CPU) | Qualcomm | Qualcomm Snapdragon 680 | |
|---|---|---|---|
| Processor Number | MSM8953 | - | |
| Clock Speed | 2 GHz | 2.4 GHz | Xiaomi Redmi Note 11 has higher clock speed than OPPO R9s. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | OPPO R9s has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 506 | Qualcomm ADRENO 610 |
| MEMORY | OPPO R9s | Xiaomi Redmi Note 11 |
|---|
| RAM | 4 GB | LPDDR4X SDRAM - 4 GB | Both phones have the same RAM size. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | Xiaomi Redmi Note 11 has more internal memory than OPPO R9s. |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO R9s | Xiaomi Redmi Note 11 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 4 | |
|---|---|---|---|
| Sensor Resolution | 16 Megapixel | 50 Megapixel | Xiaomi Redmi Note 11 has better camera resolution than OPPO R9s. |
| Sensor Size | 1/2.8" | - | |
| Sensor Name | Sony Exmor RS IMX398 sensor | - | |
| Lens Aperture | F/1.7 | F/1.8 | OPPO R9s has better lens aperture than OPPO R9s. |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | Panorama, low-light shots, GIF animation function | - | |
| Light Source | LED light | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Noise reduction, Electronic Image Stabiliser (EIS), Dual Phase Detect Auto-Focus (PDAF) | AI Quad camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| 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 | |
|---|---|---|---|
| Lens Aperture (4th Camera) | - | F/2.4 | |
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 13 Megapixel | OPPO R9s has better front camera resolution than Xiaomi Redmi Note 11. |
| Lens Aperture (Front) | F/2.0 | F/2.4 | OPPO R9s has better front lens aperture than OPPO R9s. |
| Special Effects (Front) | Beautify 4.0 | - | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | OPPO R9s | Xiaomi Redmi Note 11 |
|---|
| Battery Capacity (Battery Size) | 3010 mAh | 5000 mAh | Xiaomi Redmi Note 11 has larger battery capacity than OPPO R9s. |
|---|---|---|---|
| Fast Charging Technology | - | Pro fast charging | Xiaomi Redmi Note 11 has fast charging technology. |
| Talk Time | - | 2580 minutes | |
| Run Time Details | - | Talk: up to 2580 min Playback (video): up to 22 hrs Playback (audio): up to 215 hrs |
| CELLULAR | OPPO R9s | Xiaomi Redmi Note 11 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | ColorOS 3.0 (based on Android 6.0.1) | Android 11 | |
| User Interface | - | MIUI 13 | |
| Navigation | GPS, A-GPS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | OPPO R9s | Xiaomi Redmi Note 11 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE | 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 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 32, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | - | Yes | Xiaomi Redmi Note 11 has NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO R9s | Xiaomi Redmi Note 11 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), MID | - | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, MPEG-4, WMV, ASF, 3GP | - | |
| Sound Enhancements | - | Hi-Res audio certified |
| FEATURES | OPPO R9s | Xiaomi Redmi Note 11 |
|---|
| Phone Functions | Speakerphone, call timer, conference call, flight mode, vibrating alert | - | |
|---|---|---|---|
| Sensors | Ambient light sensor, digital compass, gyro sensor, G-sensor, distance 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 | Glove and Wet Touchscreen Operation | Z-axis linear vibration motor, dual stereo speakers, IR blaster, write booster |
| OTHERS | OPPO R9s | Xiaomi Redmi Note 11 |
|---|
| Included Accessories | Headset, USB cable, power adapter | Power adapter, SIM card removal tool, USB-C cable, protective case | |
|---|---|---|---|
| Compliant Standards | - | IP53, TUV SUD, SGS, IEC 60529 |
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