In depth comparison and review of OnePlus 9 and Xiaomi 12 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 | OnePlus 9 | Xiaomi 12 Pro |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 160 mm | 163.6 mm | Xiaomi 12 Pro has greater height than OnePlus 9. |
| Width | 74.2 mm | 74.6 mm | Xiaomi 12 Pro has greater width than OnePlus 9. |
| Depth | 8.7 mm | 8.16 mm | Xiaomi 12 Pro is narrower than OnePlus 9. |
| Weight | 192 g | 205 g | OnePlus 9 is lighter than OnePlus 9. |
| Body Colour | Astral black | Arctic sky | Grey | |
| Waterproof (Water-resistant) | - | - | Xiaomi 12 Pro is waterproof. |
| SAR Value | - | 0.599 W/kg (head), 0.998 W/kg (body), 1.987 W/kg (limb) | |
| Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | OnePlus 9 | Xiaomi 12 Pro |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | Fluid Amoled | AMOLED (LTPO) | |
| Screen Size (Display Size) | 6.55" | 6.73" | Xiaomi 12 Pro has larger screen size than OnePlus 9. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 3200 x 1440 pixels | Xiaomi 12 Pro has better screen resolution than OnePlus 9. |
| Display Format | Full HD+ | WQHD+ | |
| Pixel Density | 402 ppi | 522 ppi | Xiaomi 12 Pro has better pixel density than OnePlus 9. |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | 1100 cd/m² | 1500 cd/m² | Xiaomi 12 Pro has better display brightness than OnePlus 9. |
| Colour Depth | 16.7 million colours | 1.07 billion colours | Xiaomi 12 Pro has better colour depth than OnePlus 9. |
| Contrast Ratio | - | 8000000:1 | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10+ | HDR10+ | |
| Display Enhancement Technology | Vibrant Color Effect | Dolby Vision, Sunlight mode | |
| Display Refresh Rate | 120 Hz | 120 Hz | Both phones have the same refresh rate. |
| Touch Sampling Rate | - | 480 Hz | |
| Display Features | Always-on display, Reading mode, night mode, Wide colour display (P3), sRGB support | Reading mode, Wide colour display (P3), Dot Display, True Colour, DisplayMate A+, 16000 levels auto brightness adjustment, AdaptiveSync Pro technology, Xiaomi SmartTouch | |
| Display Protection (Screen Protector) | Corning Gorilla Glass (scratch resistant glass) | Corning Gorilla Glass Victus (scratch resistant glass) |
| PROCESSOR | OnePlus 9 | Xiaomi 12 Pro |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 8 Gen 1 | |
|---|---|---|---|
| Processor Number | - | SM8450 | |
| Clock Speed | - | 3 GHz | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| Graphics System (GPU) | Qualcomm ADRENO 660 | Qualcomm ADRENO |
| MEMORY | OnePlus 9 | Xiaomi 12 Pro |
|---|
| RAM | LPDDR5 SDRAM - 8 GB | LPDDR5 SDRAM - 12 GB | Xiaomi 12 Pro has more RAM than OnePlus 9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 256 GB | Xiaomi 12 Pro has more internal memory than OnePlus 9. |
| Memory Interface | UFS 3.1 | UFS 3.1 |
| CAMERA | OnePlus 9 | Xiaomi 12 Pro |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 50 Megapixel | Xiaomi 12 Pro has better camera resolution than OnePlus 9. |
| Sensor Size | 1/1.43" | 1/1.28" | OnePlus 9 has better camera sensor size than Xiaomi 12 Pro. |
| Sensor Name | Sony Exmor RS IMX689 sensor | Sony IMX707 Sensor | |
| Lens Type | - | Wide-angle lens | |
| Lens Aperture | F/1.8 | F/1.9 | OnePlus 9 has better lens aperture than OnePlus 9. |
| Lens Construction | 7-element | 7-element | |
| Pixel Size | 1.12 μm | 1.22 μm | Xiaomi 12 Pro has larger camera pixel size than OnePlus 9. |
| Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | Xiaomi 12 Pro has optical stabilisation. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Minimum Focal Length (Focal Distance) | 23 mm | - | |
| Special Effects | HDR | HDR, Cinematic video filters, Moving crowd, Neon trails, Oil painting, Light painting, Starry sky, Star trails | |
| HDR Mode | - | Portrait HDR | |
| Camera Modes | Panorama, Time-lapse mode, Pro mode, HYPERLAPSE, Nightscape capture mode, Portrait, Filter mode, Super Macro, Portrait video, UltraShot HDR, Smart Scene Recognition, Tilt-shift mode, Focus Peaking, Cat/Dog Face Focus, Super Stable, Video Nightscape | Slow motion video, Pro mode, night mode, Slow Shutter, Documents, Vlog mode, Pro Video mode, Movie frame, Night portrait mode, photo filters, Timed burst, Photo clones, Video log mode, Dual video mode, Ultra Night Video, Magic Zoom, Time Freeze, Night Time-lapse, Parallel World, Freeze Frame Video, Pro Time-lapse, Long exposure mode, Ultra Night Photos, 50MP mode | |
| Face Recognition (Face ID) | - | Face recognition | Xiaomi 12 Pro has face detection. |
| Light Source | Dual LED flash | LED 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, 7680 x 4320 (8K) at 30fps | 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, 3840 x 2160 (4K) at 60 fps, 7680 x 4320 (8K) at 24 fps | |
| Camera Features (Functions) | Tracking Focus, Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), RAW image capture, Dual Native ISO, 2x2 On-Chip Lens (OCL), Hasselblad Camera, Natural Color Calibration, 12-bit RAW | RAW image capture, HDR10+ recording, Google Lens, One-click AI cinema, Xiaomi ProFocus, 2.44μm 4-in-1 Super Pixel, AI distortion correction |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 50 Megapixel | 50 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Sensor Size (2nd Camera) | 1/1.56" | - | |
| 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) | 7-element | - | |
| Field of View (2nd Camera) | 119 degree(s) | 115 degree(s) | OnePlus 9 has larger second camera lens field of view than Xiaomi 12 Pro. |
| Minimum Focal Length (2nd Camera) | 14 mm | - | |
| Camera Features (2nd Camera) | 2x2 On-Chip Lens (OCL), Freeform Lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 50 Megapixel | Xiaomi 12 Pro has higher resolution third camera than OnePlus 9. |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | F/2.4 | F/1.9 | Xiaomi 12 Pro has better third camera lens aperture than OnePlus 9. |
| Lens Element Qty (3rd Camera) | 3-element | 5-element | |
| Focal Length Equivalent to 35mm Camera | - | 48mm | |
| Camera Functions (3rd Camera) | Monochrome | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 16 Megapixel | 32 Megapixel | Xiaomi 12 Pro has better front camera resolution than OnePlus 9. |
| Sensor Name (Front) | Sony Exmor RX IMX471 sensor | - | |
| Lens Aperture (Front) | F/2.4 | F/2.45 | OnePlus 9 has better front lens aperture than OnePlus 9. |
| Pixel Size (Front) | 1 μm | - | |
| Focus Adjustment | Focus free | - | |
| Special Effects (Front) | HDR, face retouch | HDR, Depth of field, Bokeh effect | |
| Camera Modes (Front) | Time-lapse mode | AI Beautify, Movie frame, Dual video mode, Selfie Night mode, Time-lapse selfie, AI portrait mode with bokeh and depth control, AI portrait video | |
| Light Source (Front) | Display flash | - | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps | |
| Camera Features (Front) | Electronic Image Stabiliser (EIS) | HDR10+ video recording |
| BATTERY AND CHARGING | OnePlus 9 | Xiaomi 12 Pro |
|---|
| Battery Capacity (Battery Size) | 4500 mAh | 4600 mAh | Xiaomi 12 Pro has larger battery capacity than OnePlus 9. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge, Warp Charge 65T technology | Xiaomi HyperCharge technology | Both phones have fast charging technology. |
| Recharge Time (Charging Time) | 29 min | 18 min | Xiaomi 12 Pro has shorter charging time than OnePlus 9. |
| Wireless Charging | Yes | Yes | Both phones can be charged wirelessly. |
| Wireless Charging Standards | Qi | - | |
| Talk Time | - | 1140 minutes | |
| Run Time Details | - | Recording (video (1080p)): up to 5 hrs Navigation: up to 9 hrs Streaming (video): up to 15 hrs Talk: up to 1140 min |
| CELLULAR | OnePlus 9 | Xiaomi 12 Pro |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 5G | Both phones have the same mobile network generation. |
| Operating System | OxygenOS (based on Android 11) | Android 12 | |
| User Interface | - | MIUI 13 | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo, NavIC |
| COMMUNICATIONS | OnePlus 9 | Xiaomi 12 Pro |
|---|
| Data Transmission | FDD-LTE, TDD-LTE, 5G NR FR1 | 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 8, Band 9, Band 19 | Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900, 1700, 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 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 66 | 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 48, Band 66 | |
| 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 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | 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, TDD 3600, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n78, n40 | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, 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, FDD AWS-3, TDD TD 3500, TDD 2300 | 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 TD 4500, TDD 2300 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac/ax | IEEE 802.11a/b/g/n/ac/ax, Wi-Fi 6E | |
| Bluetooth | Bluetooth 5.2 | Bluetooth 5.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Modem | Snapdragon X55 5G | Snapdragon X65 5G |
| MEDIA | OnePlus 9 | Xiaomi 12 Pro |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, LDAC, IMY, EAC3, MID, AMR-WB, AMR-NB, EAC3-JOC, AC-4 | WAV, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), LDAC, AWB, LHDC | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | MKV, 3GP, WebM, MP4 | |
| Sound Enhancements | Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound | Harman Kardon Sound technology, Dolby Atmos sound technology, Hi-Res audio certified | |
| Video Enhancements | - | HDR10 |
| FEATURES | OnePlus 9 | Xiaomi 12 Pro |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, flicker sensor, sensor core | Accelerometer, proximity sensor, digital compass, barometer, flicker sensor, gyroscope, 360° ambient light sensor | |
| Security Devices | Fingerprint reader (under display), face recognition | Fingerprint reader (under display), face recognition | |
| Security Technology | - | AI face unlock | |
| Additional Phone Features | Noise Cancellation Technology, MIMO technology, Gesture Controls, OnePlus Switch, Alert Slider, dual stereo speakers, Zen mode 2.0, OnePlus Games | MIMO technology, MU-MIMO technology, LiquidCool Technology, linear motor, Reverse wireless charging, dual stereo speakers, X-axis linear vibration motor, IR blaster, Qualcomm 7th generation AI Engine, dual woofers, Xiaomi AdaptiveCharge |
| OTHERS | OnePlus 9 | Xiaomi 12 Pro |
|---|
| Included Accessories | SIM card removal tool, sticker, screen protector, USB-C to USB-C cable, protective case, Warp Charge 65 power adapter | SIM card removal tool, USB-C cable, protective case, 120W charger | |
|---|---|---|---|
| Compliant Standards | SGS | SGS Eye Care Display Certification, SGS Seamless Pro 120Hz Certification |
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