In depth comparison and review of OPPO A9 2020 and Xiaomi Redmi Note 11 Pro+ 5G. 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 A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | CPH1941 | - | |
| Form Factor | Touch | Touch | |
| Height | 163.6 mm | 163.65 mm | Xiaomi Redmi Note 11 Pro+ 5G has greater height than OPPO A9 2020. |
| Width | 75.6 mm | 76.19 mm | Xiaomi Redmi Note 11 Pro+ 5G has greater width than OPPO A9 2020. |
| Depth | 9.1 mm | 8.34 mm | Xiaomi Redmi Note 11 Pro+ 5G is narrower than OPPO A9 2020. |
| Weight | 195 g | 204 g | OPPO A9 2020 is lighter than OPPO A9 2020. |
| Body Colour | Marine green | Space purple | Graphite grey | |
| Body Material | 3D glass | - | |
| Waterproof (Water-resistant) | - | - | Xiaomi Redmi Note 11 Pro+ 5G is waterproof. |
| SAR Value | 0.976 W/kg (body), 0.847 W/kg (head), 2.118 W/kg (limb) | 0.596 W/kg (head), 0.956 W/kg (body), 1.995 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C Handset 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 | Dual-SIM |
| DISPLAY | OPPO A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | TFT | AMOLED | |
| Screen Size (Display Size) | 6.5" | 6.67" | Xiaomi Redmi Note 11 Pro+ 5G has larger screen size than OPPO A9 2020. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 2400 x 1080 pixels | Xiaomi Redmi Note 11 Pro+ 5G has better screen resolution than OPPO A9 2020. |
| Display Format | - | Full HD+ | |
| Pixel Density | 269 ppi | - | |
| Max Brightness | 480 cd/m² | 1200 cd/m² | Xiaomi Redmi Note 11 Pro+ 5G has better display brightness than OPPO A9 2020. |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1500:1 | 4500000:1 | Xiaomi Redmi Note 11 Pro+ 5G has better display contrast ratio than OPPO A9 2020. |
| Display Enhancement Technology | Blue light filter | Sunlight mode | |
| Display Refresh Rate | - | 120 Hz | |
| Touch Sampling Rate | - | 360 Hz | |
| Display Features | In-Cell Display Technology, Sunlight screen | Reading mode, DCI-P3 Wide colour gamut, Dot Display |
| PROCESSOR | OPPO A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 665 | MediaTek Dimensity 920 5G | |
|---|---|---|---|
| Clock Speed | - | 2.5 GHz | |
| Processor Core Qty | - | 8-core | |
| Graphics System (GPU) | Qualcomm ADRENO 610 | ARM Mali-G68 MC4 |
| MEMORY | OPPO A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| RAM | LPDDR4X SDRAM - 4 GB | LPDDR4X SDRAM - 6 GB | Xiaomi Redmi Note 11 Pro+ 5G has more RAM than OPPO A9 2020. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| Memory Interface | UFS 2.1 | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | OPPO A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 108 Megapixel | Xiaomi Redmi Note 11 Pro+ 5G has better camera resolution than OPPO A9 2020. |
| Sensor Size | 1/2.25" | 1/1.52" | OPPO A9 2020 has better camera sensor size than Xiaomi Redmi Note 11 Pro+ 5G. |
| Sensor Type | CMOS | - | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.8 | F/1.8 | Both phones have the same camera lens aperture. |
| Pixel Size | 0.8 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Portrait, Night, Ultra Night Mode 2.0 | Slow motion mode, night mode, Long exposure mode, AI Skycaping | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps | |
| Camera Features (Functions) | Electronic Image Stabiliser (EIS) | Dual Native ISO, 2.1μm 9-in-1 Super Pixel |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 8 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/4.0" | - | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.25 | F/2.2 | Xiaomi Redmi Note 11 Pro+ 5G has better second camera lens aperture than OPPO A9 2020. |
| Field of View (2nd Camera) | 119 degree(s) | 120 degree(s) | Xiaomi Redmi Note 11 Pro+ 5G has larger second camera lens field of view than OPPO A9 2020. |
| Pixel Size (2nd Camera) | 1.12 μm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Sensor Size (3rd Camera) | 1/5" | - | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Pixel Size (3rd Camera) | 1.75 μm | - | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Size (4th Camera) | 1/5" | - | |
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 16 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | 1/3.1" | - | |
| Lens Aperture (Front) | F/2.0 | F/2.4 | OPPO A9 2020 has better front lens aperture than OPPO A9 2020. |
| Pixel Size (Front) | 1 μm | - | |
| Camera Modes (Front) | AI Beauty | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps |
| BATTERY AND CHARGING | OPPO A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4500 mAh | OPPO A9 2020 has larger battery capacity than Xiaomi Redmi Note 11 Pro+ 5G. |
|---|---|---|---|
| Fast Charging Technology | - | Xiaomi HyperCharge technology | Xiaomi Redmi Note 11 Pro+ 5G has fast charging technology. |
| Recharge Time (Charging Time) | - | 15 min | |
| Standby Time | 450 hours | - | |
| Talk Time | 2700 minutes | 1560 minutes | OPPO A9 2020 has longer battery life when making calls than Xiaomi Redmi Note 11 Pro+ 5G. |
| Run Time Details | Standby: up to 450 hrs Talk: up to 2700 min |
Talk: up to 1560 min Playback (video): up to 18 hrs Playback (Music): up to 140 hrs |
| CELLULAR | OPPO A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | Xiaomi Redmi Note 11 Pro+ 5G has more advanced generation mobile network. |
| Operating System | ColorOS 6.0.1 (based on Android 9) | Android 11 | |
| User Interface | - | MIUI 12.5 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC |
| COMMUNICATIONS | OPPO A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 800, 900, 800 | 2100, 1900, 1700, 850, 800, 900, 800 | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 18, Band 19, Band 20, Band 26, 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 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 32, Band 38, Band 39, Band 40, Band 41, Band 42, Band 66 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, 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 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | - |
| MEDIA | OPPO A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| Sound Enhancements | Dolby Atmos sound technology, Hi-Res audio | Dolby Atmos sound technology, Hi-Res audio certified, Hi-Res audio wireless |
|---|
| FEATURES | OPPO A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, gyro sensor, geomagnetic sensor | Accelerometer, proximity sensor, digital compass, gyroscope, 360° ambient light sensor | |
| Security Devices | Face recognition | Face recognition, fingerprint reader (side) | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Multitasking, Game Boost 2.0 | JBL Audio, LiquidCool Technology 2.0, X-axis linear vibration motor, IR blaster, super-linear dual speakers, MTW (Multiple Tab Winding) technology, Dual charge pumps |
| OTHERS | OPPO A9 2020 | Xiaomi Redmi Note 11 Pro+ 5G |
|---|
| Included Accessories | Headphones, power adapter, SIM card removal tool, cover, USB-C cable, screen protector (pre-applied) | SIM card removal tool, USB-C cable, protective case, 120W charger | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland Certified Safe Fast-Charge System, SGS Eye Care Display Certification |
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