In depth comparison and review of Xiaomi Redmi Note 9 and OPPO Find X3 PRO. 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 | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | CPH2173 | |
| Form Factor | Touch | Touch | |
| Height | 162.3 mm | 163.6 mm | OPPO Find X3 PRO has greater height than Xiaomi Redmi Note 9. |
| Width | 77.2 mm | 74 mm | Xiaomi Redmi Note 9 has greater width than OPPO Find X3 PRO. |
| Depth | 8.9 mm | 8.26 mm | OPPO Find X3 PRO is narrower than Xiaomi Redmi Note 9. |
| Weight | 199 g | 193 g | OPPO Find X3 PRO is lighter than Xiaomi Redmi Note 9. |
| Body Colour | Forest green | Gloss black | |
| Body Material | - | Aluminium alloy, polymer, Corning Gorilla Glass 5 | |
| Protection | Splashproof | Dustproof, water-resistant | |
| Waterproof (Water-resistant) | - | Yes | OPPO Find X3 PRO is waterproof. |
| IP rating | - | IP68 | |
| SAR Value | 2.262 W/kg (limb), 1.138 W/kg (body), 0.795 W/kg (head) | 1.318 W/kg (body), 0.892 W/kg (head), 2.707 W/kg (limb) | |
| Integrated Components | Ultra-linear speaker | - | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM, Electronic SIM card (e-SIM) | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED (LTPO) | |
| Screen Size (Display Size) | 6.53" | 6.7" | OPPO Find X3 PRO has larger screen size than Xiaomi Redmi Note 9. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 3216 x 1440 pixels | OPPO Find X3 PRO has better screen resolution than Xiaomi Redmi Note 9. |
| Display Format | Full HD+ | QHD+ | |
| Pixel Density | - | 525 ppi | |
| Aspect Ratio | 19.5:9 | 20.1:9 | |
| Max Brightness | 450 cd/m² | 1200 cd/m² | OPPO Find X3 PRO has better display brightness than Xiaomi Redmi Note 9. |
| Colour Depth | - | 1.07 billion colours | |
| Contrast Ratio | 1500:1 | 5000000:1 | OPPO Find X3 PRO has better display contrast ratio than Xiaomi Redmi Note 9. |
| HDR | - | Yes | OPPO Find X3 PRO has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | - | SDR-to-HDR colour enhancement, resolution enhancer | |
| Display Refresh Rate | - | 120 Hz | |
| Display Features | Reading mode 2.0, Dot Display, Full Screen gestures | Night mode, AOD(Always On Display), Dark mode, O1 Ultra Vision Engine, DisplayMate A+, 240Hz sampling rate, 12000000:1 (max HDR) contrast ratio, O-Sync Display Hyper Response Engine, 8192-Level Natural Brightness | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| Processor Type (CPU) | MediaTek Helio G85 | Qualcomm Snapdragon 888 | |
|---|---|---|---|
| Clock Speed | 2 GHz | 2.84 GHz | OPPO Find X3 PRO has higher clock speed than Xiaomi Redmi Note 9. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | ARM G52 MC2 | Qualcomm ADRENO 660 |
| MEMORY | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| RAM | 3 GB | LPDDR5 SDRAM - 12 GB | OPPO Find X3 PRO has more RAM than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 256 GB | OPPO Find X3 PRO has more internal memory than Xiaomi Redmi Note 9. |
| Memory Interface | - | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSD | - |
| CAMERA | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | OPPO Find X3 PRO has better camera resolution than Xiaomi Redmi Note 9. |
| Sensor Size | 1/2" | 1/1.56" | Xiaomi Redmi Note 9 has better camera sensor size than OPPO Find X3 PRO. |
| Sensor Name | - | Sony Exmor RS IMX766 sensor | |
| Lens Aperture | F/1.79 | F/1.8 | Xiaomi Redmi Note 9 has better lens aperture than Xiaomi Redmi Note 9. |
| Lens Construction | 6-element | 6-element | |
| Field of View (FoV) | 79.4 degree(s) | - | |
| Pixel Size | 0.8 μm | 1 μm | OPPO Find X3 PRO has larger camera pixel size than Xiaomi Redmi Note 9. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OPPO Find X3 PRO has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Minimum Focal Length (Focal Distance) | - | 24 mm | |
| Special Effects | HDR, Kaleidoscope | HDR, Live HDR, Bokeh effect, Stickers | |
| Camera Modes | Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits | Burst mode, Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, portrait mode, AI Beauty, Text, Cinema mode, Filter mode, Macro mode, Dual-View Video, Ultra Night Video, AI Highlight Video, passport photo, RAW+ mode, Colour Vision Enhancement | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 9 has face detection. |
| Light Source | Flash | LED flash | |
| Still Image Resolutions | - | 4096 x 3072, 4096 x 2304, 3072 x 3072, 8192 x 6144, 4096 x 1834 | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 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, 1280 x 720 (720p) at 60 fps, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1280 x 720 (720p) at 480 fps | |
| Camera Features (Functions) | 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, Steady handheld night photography, full screen frame, AI watermark | Electronic Image Stabiliser (EIS), 3D audio recording, omnidirectional autofocus, 2x2 On-Chip Lens (OCL), (DOL-HDR) Digital Overlap High Dynamic Range, 10-bit 4K HDR video, LOG video (Rec. 2020) |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 50 Megapixel | OPPO Find X3 PRO has better second camera resolution than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/4" | 1/1.56" | Xiaomi Redmi Note 9 has better second camera sensor size than OPPO Find X3 PRO. |
| Sensor Name (2nd Camera) | - | Sony Exmor RS IMX766 sensor | |
| Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Lens Element Qty (2nd Camera) | 5-element | 7-element | |
| Field of View (2nd Camera) | 118 degree(s) | 110 degree(s) | Xiaomi Redmi Note 9 has larger second camera lens field of view than OPPO Find X3 PRO. |
| Pixel Size (2nd Camera) | 1.2 μm | 1 μm | Xiaomi Redmi Note 9 has larger second camera pixel size than OPPO Find X3 PRO. |
| Minimum Focal Length (2nd Camera) | - | 15 mm | |
| Camera Features (2nd Camera) | 5-piece lens | Electronic Image Stabiliser (EIS), omnidirectional autofocus, 2x2 On-Chip Lens (OCL), 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 13 Megapixel | OPPO Find X3 PRO has higher resolution third camera than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Sensor Size (3rd Camera) | - | 1/3.4" | |
| Sensor Name (3rd Camera) | - | Samsung S5K3M5 | |
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/2.4 | Both phones have the same lens aperture of the third camera. |
| Lens Element Qty (3rd Camera) | - | 5-element | |
| Pixel Size (3rd Camera) | 1.75 μm | 1 μm | Xiaomi Redmi Note 9 has larger third camera pixel size than OPPO Find X3 PRO. |
| Minimum Focal Length (3rd Camera) | - | 52 mm | |
| Optical Zoom | - | 2x | |
| Digital Zoom | - | 20x | |
| Hybrid Zoom | - | 5x | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | AF (2cm-10cm) | Electronic Image Stabiliser (EIS) |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | 3 Megapixel | OPPO Find X3 PRO has higher resolution fourth camera than Xiaomi Redmi Note 9. |
|---|---|---|---|
| Sensor Size (4th Camera) | 1/5" | 1/5" | Both phones have the same sensor size of the fourth camera. |
| Lens Type (4th Camera) | - | Microlens | |
| Lens Aperture (4th Camera) | F/2.4 | F/3.0 | Xiaomi Redmi Note 9 has better fourth camera lens aperture than Xiaomi Redmi Note 9. |
| Lens Element Qty (4th Camera) | 3-element | 4-element | |
| Pixel Size (4th Camera) | 1.75 μm | 1.12 μm | Xiaomi Redmi Note 9 has larger fourth camera pixel size than OPPO Find X3 PRO. |
| Minimum Focal Length (4th Camera) | - | 15 mm | |
| Camera Functions (4th Camera) | Depth camera | - | |
| Camera Features (4th Camera) | - | Magnification x60 |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 13 Megapixel | 32 Megapixel | OPPO Find X3 PRO has better front camera resolution than Xiaomi Redmi Note 9. |
| Sensor Size (Front) | 1/3.06" | 1/2.74" | Xiaomi Redmi Note 9 has better front camera sensor size than OPPO Find X3 PRO. |
| Sensor Name (Front) | - | Sony Exmor RS IMX615 sensor | |
| Lens Aperture (Front) | F/2.25 | F/2.4 | Xiaomi Redmi Note 9 has better front lens aperture than Xiaomi Redmi Note 9. |
| Lens Element Qty (Front) | 5-element | 5-element | |
| Field of View (Front) | 74 degree(s) | 81 degree(s) | OPPO Find X3 PRO has larger front lens field of view than Xiaomi Redmi Note 9. |
| Pixel Size (Front) | 1.12 μm | 0.8 μm | Xiaomi Redmi Note 9 has larger front camera pixel size than OPPO Find X3 PRO. |
| Min Focal Length (Front) | - | 25 mm | |
| Special Effects (Front) | HDR | Stickers | |
| Camera Modes (Front) | Panoramic selfies, AI portrait mode, AI Beautify | Panorama, Time-lapse mode, night mode, Portrait | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi Redmi Note 9 has face detection. |
| Light Source (Front) | Display flash | - | |
| Still Image Resolutions (Front) | - | 6560 x 4928 | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | Palm shutter, AI silhouette detection | Electronic Image Stabiliser (EIS) |
| BATTERY AND CHARGING | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| Battery Capacity (Battery Size) | 5020 mAh | 4500 mAh | Xiaomi Redmi Note 9 has larger battery capacity than OPPO Find X3 PRO. |
|---|---|---|---|
| Fast Charging Technology | - | VOOC Flash Charge technology 3.0, SuperVOOC 2.0 Flash Charge | OPPO Find X3 PRO has fast charging technology. |
| Recharge Time (Charging Time) | - | 35 min | |
| Wireless Charging | - | Yes | OPPO Find X3 PRO can be charged wirelessly. |
| Wireless Charging Standards | - | Qi, AirVOOC | |
| Standby Time | - | 398.7 hours | |
| Talk Time | 1980 minutes | 1488 minutes | Xiaomi Redmi Note 9 has longer battery life when making calls than OPPO Find X3 PRO. |
| Run Time Details | Talk: up to 1980 min Gaming: up to 16 hrs Playback (Music): up to 147 hrs Navigation: up to 16 hrs |
Standby: up to 398.7 hrs Playback (video): up to 14.3 hrs Talk (3G): up to 1488 min Playback (audio (via speakers)): up to 36.9 hrs |
|
| Battery Technology | Lithium polymer | - |
| CELLULAR | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OPPO Find X3 PRO has more advanced generation mobile network. |
| Operating System | - | ColorOS 11.2 (based on Android 11) | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS |
| COMMUNICATIONS | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| Data Transmission | VoLTE, FDD-LTE, TDD-LTE | VoLTE, FDD-LTE, TDD-LTE, VoWiFi, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1900 GSM, 2100 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 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 20, Band 28, Band 38, 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 25, 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 DD, FDD 700 APT, TDD 2600, 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 1900+, 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, n77, n78, n79, n40 | |
| 5G NR Frequency | - | FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.2 | |
| NFC | - | Yes | OPPO Find X3 PRO has NFC reader for mobile payments. |
| MEDIA | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio) | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), LDAC, MID, SBC, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, XviD, M4V, MP4 | MKV, FLV, AVI, MOV, WMV, ASF, 3GP, H.265, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology, Qualcomm aptX audio, Qualcomm TrueWireless Stereo Plus, Qualcomm aptX HD audio | |
| Audio Amplifier | Smart PA | - |
| FEATURES | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| 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, ambient light sensor, proximity sensor, digital compass, gyro sensor, infrared (IR) sensor | Accelerometer, ambient light sensor, proximity sensor, pedometer, digital compass, magnetometer, gyro sensor, gravity sensor, colour temperature sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Infrared remote control, HyperEngine technology | MIMO technology, MU-MIMO technology, Google Lens, Haptic vibration motor, dual stereo speakers, steam chamber + graphite cooling, triple noise reduction microphones |
| OTHERS | Xiaomi Redmi Note 9 | OPPO Find X3 PRO |
|---|
| Included Accessories | Protective cover, power adapter, SIM card removal tool, USB-C cable | Headset, protective cover, SIM card removal tool, USB-C cable, protective film, SuperVOOC 65W power adapter | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Low Blue Light Certification | IP68 |
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