Side by side comparison and review of OnePlus 8 Pro 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 | OnePlus 8 Pro | Xiaomi Redmi 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.3 mm | 163.32 mm | OnePlus 8 Pro has greater height than Xiaomi Redmi 9. |
| Width | 74.3 mm | 77.01 mm | Xiaomi Redmi 9 has greater width than OnePlus 8 Pro. |
| Depth | 8.5 mm | 9.1 mm | OnePlus 8 Pro is narrower than OnePlus 8 Pro. |
| Weight | 199 g | 198 g | Xiaomi Redmi 9 is lighter than OnePlus 8 Pro. |
| Body Colour | Onyx 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 | USB Type-C - 24 pin USB-C | 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 | OnePlus 8 Pro | Xiaomi Redmi 9 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | Fluid Amoled | - | |
| Screen Size (Display Size) | 6.78" | 6.53" | OnePlus 8 Pro has larger screen size than Xiaomi Redmi 9. |
| Screen Resolution (Display Resolution) | 3168 x 1440 pixels | 2340 x 1080 pixels | OnePlus 8 Pro has better screen resolution than Xiaomi Redmi 9. |
| Display Format | QHD+ | Full HD+ | |
| Pixel Density | 513 ppi | 394 ppi | OnePlus 8 Pro has better pixel density than Xiaomi Redmi 9. |
| Aspect Ratio | 19.8:9 | 19.5:9 | |
| Max Brightness | - | 400 cd/m² | |
| Contrast Ratio | - | 1500:1 | |
| HDR | Yes | - | OnePlus 8 Pro has HDR. |
| HDR Technology | HDR10+ | - | |
| Display Enhancement Technology | MEMC technology, Motion Graphics Smoothing | Sunlight mode | |
| Display Refresh Rate | 120 Hz | - | |
| Display Features | Reading mode, night mode, Wide colour display (P3), Vibrant Color Effect Pro, 120 Hz Fluid Display | Colour temperature adjustment, Dot Drop display, Reading mode 2.0 | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3D (scratch resistant glass) | Corning Gorilla Glass 3 (scratch resistant glass) |
| PROCESSOR | OnePlus 8 Pro | Xiaomi Redmi 9 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 865 | MediaTek Helio G80 | |
|---|---|---|---|
| Clock Speed | - | 2 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 650 | Mali-G52 MC2 |
| MEMORY | OnePlus 8 Pro | Xiaomi Redmi 9 |
|---|
| RAM | LPDDR5 SDRAM - 8 GB | LPDDR4X SDRAM - 4 GB | OnePlus 8 Pro has more RAM than Xiaomi Redmi 9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 64 GB | OnePlus 8 Pro has more internal memory than Xiaomi Redmi 9. |
| Memory Interface | UFS 3.0 | - | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSD |
| CAMERA | OnePlus 8 Pro | Xiaomi Redmi 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 13 Megapixel | OnePlus 8 Pro has better camera resolution than Xiaomi Redmi 9. |
| Sensor Size | 1/1.4" | - | |
| Sensor Name | Sony Exmor RS IMX689 sensor | - | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.78 | F/2.2 | OnePlus 8 Pro has better lens aperture than OnePlus 8 Pro. |
| Lens Construction | 7-element | - | |
| Field of View (FoV) | - | 75.2 degree(s) | |
| Pixel Size | 1.12 μm | - | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | OnePlus 8 Pro has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Special Effects | Portrait, HDR, Studio | HDR, Kaleidoscope | |
| Camera Modes | Panorama, Time-lapse mode, Pro mode, night mode, portrait mode, Cine Video Mode, Dog, Cat, Nightscape capture mode, Portrait, Ultra shot | Portrait mode | |
| Face Recognition (Face ID) | Face detection | - | OnePlus 8 Pro has face detection. |
| Light Source | Dual LED flash | Flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Functions) | GIF animation function, Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), Continuous Auto Focus (CAF), RAW image capture, AI scene detection, 4-in-1 Pixel technology, UltraShot engine, 3x Hybrid Zoom | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 8 Megapixel | 8 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Type (2nd Camera) | Telephoto lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.44 | F/2.2 | Xiaomi Redmi 9 has better second camera lens aperture than OnePlus 8 Pro. |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Camera Features (2nd Camera) | OIS (Optical Image Stabilisation) | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 48 Megapixels | 5 Megapixel | OnePlus 8 Pro has higher resolution third camera than Xiaomi Redmi 9. |
|---|---|---|---|
| Lens Type (3rd Camera) | Ultra wide-angle lens | - | |
| Lens Aperture (3rd Camera) | F/2.2 | F/2.4 | OnePlus 8 Pro has better third camera lens aperture than OnePlus 8 Pro. |
| Field of View (3rd Camera) | 120 degree(s) | - | |
| Camera Functions (3rd Camera) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 5 Megapixel | 2 Megapixel | OnePlus 8 Pro has higher resolution fourth camera than Xiaomi Redmi 9. |
|---|---|---|---|
| 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 | 8 Megapixel | OnePlus 8 Pro has better front camera resolution than Xiaomi Redmi 9. |
| Sensor Name (Front) | Sony Exmor RX IMX471 sensor | - | |
| Lens Aperture (Front) | F/2.45 | F/2.0 | Xiaomi Redmi 9 has better front lens aperture than OnePlus 8 Pro. |
| Field of View (Front) | - | 77.8 degree(s) | |
| Pixel Size (Front) | 1 μm | - | |
| Focus Adjustment | Focus free | Focus free | |
| Special Effects (Front) | HDR, face retouch | HDR | |
| Camera Modes (Front) | Time-lapse mode | Portrait mode | |
| Light Source (Front) | Display flash | Display flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Front) | Electronic Image Stabiliser (EIS) | Self-timer, Palm shutter |
| BATTERY AND CHARGING | OnePlus 8 Pro | Xiaomi Redmi 9 |
|---|
| Battery Capacity (Battery Size) | 4510 mAh | 5020 mAh | Xiaomi Redmi 9 has larger battery capacity than OnePlus 8 Pro. |
|---|---|---|---|
| Fast Charging Technology | Warp Charge 30 technology, Warp Charge 30T technology | - | OnePlus 8 Pro 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 |
| CELLULAR | OnePlus 8 Pro | Xiaomi Redmi 9 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | OnePlus 8 Pro has more advanced generation mobile network. |
| Operating System | OxygenOS (based on Android 10) | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | OnePlus 8 Pro | Xiaomi Redmi 9 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, LTE Advanced, FDD-LTE, TDD-LTE, 5G NR FR1 | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | - | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 8 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900, 1700, 800 | 2100, 1900, 1700, 850, 900 | |
| 4G LTE Band | 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 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 46, Band 66 | 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 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 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 5150, FDD 1700 - 2110 AWS-3 | 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 | |
| 5G NR Band | N1, n3, n7, n28, n78 | - | |
| 5G NR Frequency | FDD 2100, FDD 1800, FDD 2600, FDD 700APT, TDD TD 3500 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.0 | |
| NFC | Yes | - | OnePlus 8 Pro has NFC reader for mobile payments. |
| Modem | Snapdragon X55 5G | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | OnePlus 8 Pro | Xiaomi Redmi 9 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, apt-X, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, SBC, apt-X HD, EAC3-JOC, AC-4 | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | MKV, H.264, ASP, MP4 | |
| Sound Enhancements | Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound | - |
| FEATURES | OnePlus 8 Pro | 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, ambient light sensor, proximity sensor, digital compass, gyro sensor, RGB sensor, laser sensor, flicker sensor | Accelerometer, ambient light sensor, digital compass, distance sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Face recognition, fingerprint reader | |
| Additional Phone Features | Face Unlock, Noise Cancellation Technology, MIMO technology, Alert Slider | Fast Charging, AI face unlock |
| OTHERS | OnePlus 8 Pro | Xiaomi Redmi 9 |
|---|
| Included Accessories | SIM card removal tool, sticker, screen protector, USB-C cable, protective case, Warp Charge 30 power adapter | SIM card removal tool, USB-C cable, TPU case, 10W charger |
|---|
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