OnePlus 9 Pro vs. Xiaomi POCO X3 Pro

Phone Comparison, Reviews and Tests

Side by side comparison and review of OnePlus 9 Pro and Xiaomi POCO X3 Pro. 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.

Phone Specifications Comparison

OnePlus 9 Pro vs. Xiaomi POCO X3 Pro Comparison Chart
DESIGN AND DIMENSIONS OnePlus 9 Pro Xiaomi POCO X3 Pro
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 163.2 mm 165.3 mm Xiaomi POCO X3 Pro has greater height than OnePlus 9 Pro.
Width 73.6 mm 76.8 mm Xiaomi POCO X3 Pro has greater width than OnePlus 9 Pro.
Depth 8.7 mm 9.4 mm OnePlus 9 Pro is narrower than OnePlus 9 Pro.
Weight 197 g 215 g OnePlus 9 Pro is lighter than OnePlus 9 Pro.
Body Colour Morning mist | Stellar black Phantom black | Metallic bronze | Frost blue
Protection - Splashproof
Waterproof (Water-resistant) - -
IP rating - IP53
SAR Value 2.77 W/kg (limb), 1.26 W/kg (body), 0.99 W/kg (head) 0.899 W/kg (body), 0.573 W/kg (head), 1.898 W/kg (limb)
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
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY OnePlus 9 Pro Xiaomi POCO X3 Pro
Display Type OLED display -
Display Technology Fluid Amoled -
Screen Size (Display Size) 6.7" 6.67" OnePlus 9 Pro has larger screen size than Xiaomi POCO X3 Pro.
Screen Resolution (Display Resolution) 3216 x 1440 pixels 2400 x 1080 pixels OnePlus 9 Pro has better screen resolution than Xiaomi POCO X3 Pro.
Display Format - Full HD+
Pixel Density 525 ppi 395 ppi OnePlus 9 Pro has better pixel density than Xiaomi POCO X3 Pro.
Aspect Ratio 20.1:9 20:9
Max Brightness - 450 cd/m²
Colour Depth 1.07 billion colours -
Display Enhancement Technology - Sunlight mode
Display Refresh Rate 120 Hz 120 Hz Both phones have the same refresh rate.
Touch Sampling Rate - 240 Hz
Display Features Reading mode, night mode, Wide colour display (P3), Vibrant Color Effect Pro, Motion Graphics Smoothing, sRGB support, Hyper Touch, Adaptive Display, Fluid Display 2.0 Dot Display, Reading mode 3, DynamicSwitch refresh rate
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) Corning Gorilla Glass 6 (scratch resistant glass)
PROCESSOR OnePlus 9 Pro Xiaomi POCO X3 Pro
Processor Type (CPU) Qualcomm Snapdragon 888 Qualcomm Snapdragon 860
Clock Speed - 2.96 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 640
MEMORY OnePlus 9 Pro Xiaomi POCO X3 Pro
RAM LPDDR5 SDRAM - 8 GB LPDDR4X SDRAM - 6 GB OnePlus 9 Pro has more RAM than Xiaomi POCO X3 Pro.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface UFS 3.1 2-lane UFS 3.1
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA OnePlus 9 Pro Xiaomi POCO X3 Pro
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Sensor Size 1/1.43" 1/2" Xiaomi POCO X3 Pro has better camera sensor size than OnePlus 9 Pro.
Sensor Name Sony Exmor RS IMX789 sensor -
Lens Aperture F/1.8 F/1.79 Xiaomi POCO X3 Pro has better lens aperture than OnePlus 9 Pro.
Lens Construction 7-element -
Pixel Size 1.12 μm 1.6 μm Xiaomi POCO X3 Pro has larger camera pixel size than OnePlus 9 Pro.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OnePlus 9 Pro has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Special Effects HDR -
Camera Modes Panorama, Time-lapse mode, Pro mode, HYPERLAPSE, Nightscape capture mode, Portrait, Filter mode, Super Macro, Macro mode, Portrait video, UltraShot HDR, Tracking Shot, Smart Scene Recognition, Tilt-shift mode, Focus Peaking, Cat/Dog Face Focus, Super Stable, Video Nightscape Night mode, Dual video mode
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, 3840 x 2160 (4K) 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
Camera Features (Functions) Continuous Auto Focus (CAF), RAW image capture, All Pixel OmniDirectional PDAF, Hasselblad Camera, Natural Color Calibration 4-in-1 to 1.6μm Super Pixel
SECOND CAMERA
Sensor Resolution (2nd Camera) 50 Megapixel 8 Megapixel OnePlus 9 Pro has better second camera resolution than Xiaomi POCO X3 Pro.
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)
Camera Features (2nd Camera) Freeform Lens -
THIRD CAMERA
Sensor Resolution (3rd Camera) 8 Megapixel 2 Megapixel OnePlus 9 Pro has higher resolution third camera than Xiaomi POCO X3 Pro.
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.
Pixel Size (3rd Camera) 1 μm -
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - OnePlus 9 Pro has optical stabilisation of the third camera.
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - FF (4cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel 2 Megapixel Both phones have the same resolution of the fourth camera.
Lens Aperture (4th Camera) - F/2.4
Lens Element Qty (4th Camera) 3-element -
Camera Functions (4th Camera) Monochrome Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 20 Megapixel Xiaomi POCO X3 Pro has better front camera resolution than OnePlus 9 Pro.
Sensor Name (Front) Sony Exmor RX IMX471 sensor -
Lens Aperture (Front) F/2.4 F/2.2 Xiaomi POCO X3 Pro has better front lens aperture than OnePlus 9 Pro.
Pixel Size (Front) 1 μm 1.6 μm Xiaomi POCO X3 Pro has larger front camera pixel size than OnePlus 9 Pro.
Focus Adjustment Focus free -
Special Effects (Front) HDR, face retouch -
Camera Modes (Front) Time-lapse mode Night mode, Dual video mode
Light Source (Front) Display flash -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps -
Camera Features (Front) Electronic Image Stabiliser (EIS) 4-in-1 Super Pixel technology
BATTERY AND CHARGING OnePlus 9 Pro Xiaomi POCO X3 Pro
Battery Capacity (Battery Size) 4500 mAh 5160 mAh Xiaomi POCO X3 Pro has larger battery capacity than OnePlus 9 Pro.
Fast Charging Technology Warp Charge 65T technology - OnePlus 9 Pro has fast charging technology.
Recharge Time (Charging Time) - 59 min
Wireless Charging Yes - OnePlus 9 Pro can be charged wirelessly.
Wireless Charging Standards Qi, Warp Charge 50 Wireless -
Run Time Details - Playback (video): up to 18 hrs
Gaming: up to 11 hrs
Playback (Music): up to 110 hrs
CELLULAR OnePlus 9 Pro Xiaomi POCO X3 Pro
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G OnePlus 9 Pro has more advanced generation mobile network.
Operating System OxygenOS (based on Android 11) -
User Interface - MIUI 12
Payment Technology - Google Pay
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OnePlus 9 Pro Xiaomi POCO X3 Pro
Data Transmission LTE Advanced, FDD-LTE, TDD-LTE, 5G NR FR1 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, 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 38, Band 39, Band 40, Band 41, 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 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 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
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/ax Wi-Fi 5
Bluetooth Bluetooth 5.2 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Modem Snapdragon X60 5G -
MEDIA OnePlus 9 Pro Xiaomi POCO X3 Pro
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, apt-X HD, EAC3-JOC, AC-4 -
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 -
Sound Enhancements Dolby Atmos sound technology Hi-Res audio
FEATURES OnePlus 9 Pro Xiaomi POCO 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, RGB sensor, flicker sensor, sensor core Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration motor
Security Devices Fingerprint reader (under display), face recognition Face recognition, fingerprint reader (side)
Security Technology - AI face unlock
Additional Phone Features Face Unlock, Noise Cancellation Technology, MIMO technology, Alert Slider, dual stereo speakers Infrared remote control, MIMO technology, AI face unlock, AI Engine, LiquidCool Technology 1.0 Plus, MMT (Middle Middle Tab) technology, dual stereo speakers
OTHERS OnePlus 9 Pro Xiaomi POCO X3 Pro
Included Accessories SIM card removal tool, sticker, screen protector, protective case, Warp Charge 65 power adapter, Warp Type-C cable SIM card removal tool, USB-C cable, protective case, 33W charger
Compliant Standards - IP53
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