In depth comparison and review of Xiaomi POCO X3 NFC and OnePlus 9. 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 POCO X3 NFC | OnePlus 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.3 mm | 160 mm | Xiaomi POCO X3 NFC has greater height than OnePlus 9. |
| Width | 76.8 mm | 74.2 mm | Xiaomi POCO X3 NFC has greater width than OnePlus 9. |
| Depth | 9.4 mm | 8.7 mm | OnePlus 9 is narrower than Xiaomi POCO X3 NFC. |
| Weight | 215 g | 192 g | OnePlus 9 is lighter than Xiaomi POCO X3 NFC. |
| Body Colour | Cobalt blue | Shadow grey | Astral black | Arctic sky | |
| Protection | Splashproof | - | |
| Waterproof (Water-resistant) | - | - | |
| IP rating | IP53 | - | |
| SAR Value | 0.558 W/kg (head), 0.986 W/kg (body), 1.997 W/kg (limb) | - | |
| 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 | |
| SIM Card Qty | Dual-SIM | Dual-SIM | |
| SIM Card Configuration Details | Nano SIM + nano SIM/microSD | - |
| DISPLAY | Xiaomi POCO X3 NFC | OnePlus 9 |
|---|
| Display Type | - | OLED display | |
|---|---|---|---|
| Display Technology | - | Fluid Amoled | |
| Screen Size (Display Size) | 6.67" | 6.55" | Xiaomi POCO X3 NFC has larger screen size than OnePlus 9. |
| Screen Resolution (Display Resolution) | 2400 x 1080 pixels | 2400 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 395 ppi | 402 ppi | OnePlus 9 has better pixel density than Xiaomi POCO X3 NFC. |
| Aspect Ratio | 20:9 | 20:9 | |
| Max Brightness | - | 1100 cd/m² | |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 1500:1 | - | |
| HDR | Yes | Yes | Both phones have HDR. |
| HDR Technology | HDR10 | HDR10+ | |
| Display Enhancement Technology | - | Vibrant Color Effect | |
| Display Refresh Rate | 120 Hz | 120 Hz | Both phones have the same refresh rate. |
| Touch Sampling Rate | 240 Hz | - | |
| Display Features | Dark mode, Dot Display | Always-on display, Reading mode, night mode, Wide colour display (P3), sRGB support | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | Corning Gorilla Glass (scratch resistant glass) |
| PROCESSOR | Xiaomi POCO X3 NFC | OnePlus 9 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 732G | Qualcomm Snapdragon 888 | |
|---|---|---|---|
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | - | Xiaomi POCO X3 NFC has 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 618 | Qualcomm ADRENO 660 |
| MEMORY | Xiaomi POCO X3 NFC | OnePlus 9 |
|---|
| RAM | LPDDR4X SDRAM - 6 GB | LPDDR5 SDRAM - 8 GB | OnePlus 9 has more RAM than Xiaomi POCO X3 NFC. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OnePlus 9 has more internal memory than Xiaomi POCO X3 NFC. |
| Memory Interface | UFS 2.1 | UFS 3.1 | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 256 GB | - |
| CAMERA | Xiaomi POCO X3 NFC | OnePlus 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 4 | 3 | |
|---|---|---|---|
| Sensor Resolution | 64 Megapixel | 48 Megapixel | Xiaomi POCO X3 NFC has better camera resolution than OnePlus 9. |
| Sensor Size | 1/1.73" | 1/1.43" | Xiaomi POCO X3 NFC has better camera sensor size than OnePlus 9. |
| Sensor Name | Sony Exmor RS IMX682 sensor | Sony Exmor RS IMX689 sensor | |
| Lens Aperture | F/1.89 | F/1.8 | OnePlus 9 has better lens aperture than Xiaomi POCO X3 NFC. |
| Lens Construction | - | 7-element | |
| Pixel Size | 1.6 μm | 1.12 μm | Xiaomi POCO X3 NFC has larger camera pixel size than OnePlus 9. |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | - | Yes | |
| Minimum Focal Length (Focal Distance) | - | 23 mm | |
| Special Effects | Kaleidoscope | HDR | |
| Camera Modes | Pro mode, night mode, SteadyShot, AI portrait mode, AI Beautify, Pro Video mode, Macro video, Movie frame, photo filters, AI SkyScaping 3.0, AI photo clones, Timed burst, Document mode 2.0 | 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 | |
| Light Source | LED flash | Dual LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 960 fps | 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 | |
| Camera Features (Functions) | 4-in-1 Super Pixel, AI scene detection, AI Quad camera, Support LOG format, 6 long exposure modes, AI dynamic studio | 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 |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 13 Megapixel | 50 Megapixel | OnePlus 9 has better second camera resolution than Xiaomi POCO X3 NFC. |
|---|---|---|---|
| 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) | 119 degree(s) | Both phones have the same second camera lens field of view. |
| 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 | 2 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| 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) | - | 3-element | |
| Pixel Size (3rd Camera) | 1.75 μm | - | |
| Camera Functions (3rd Camera) | Macro camera | Monochrome | |
| Camera Features (3rd Camera) | FF (4cm) | - |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | 2 Megapixel | - | |
|---|---|---|---|
| Lens Aperture (4th Camera) | F/2.4 | - | |
| Pixel Size (4th Camera) | 1.75 μm | - | |
| Camera Functions (4th Camera) | Depth camera | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 16 Megapixel | Xiaomi POCO X3 NFC has better front camera resolution than OnePlus 9. |
| Sensor Name (Front) | - | Sony Exmor RX IMX471 sensor | |
| Lens Aperture (Front) | F/2.2 | F/2.4 | Xiaomi POCO X3 NFC has better front lens aperture than Xiaomi POCO X3 NFC. |
| Pixel Size (Front) | 1.6 μm | 1 μm | Xiaomi POCO X3 NFC has larger front camera pixel size than OnePlus 9. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR | HDR, face retouch | |
| Camera Modes (Front) | Selfie panorama, portrait mode, AI Beautify, Short video mode | Time-lapse mode | |
| Light Source (Front) | Display flash | Display flash | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps | |
| Camera Features (Front) | Self-timer, 4-in-1 Super Pixel technology, AI scene detection, AI studio lighting, Palm shutter, full screen frame, Short video filter | Electronic Image Stabiliser (EIS) |
| BATTERY AND CHARGING | Xiaomi POCO X3 NFC | OnePlus 9 |
|---|
| Battery Capacity (Battery Size) | 5160 mAh | 4500 mAh | Xiaomi POCO X3 NFC has larger battery capacity than OnePlus 9. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge, Warp Charge 65T technology | OnePlus 9 has fast charging technology. |
| Recharge Time (Charging Time) | - | 29 min | |
| Wireless Charging | - | Yes | OnePlus 9 can be charged wirelessly. |
| Wireless Charging Standards | - | Qi | |
| Run Time Details | Playback (video): up to 17 hrs Gaming: up to 10 hrs Playback (Music): up to 153 hrs |
- |
| CELLULAR | Xiaomi POCO X3 NFC | OnePlus 9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 5G | OnePlus 9 has more advanced generation mobile network. |
| Operating System | Android 10 | OxygenOS (based on Android 11) | |
| User Interface | POCO Launcher 2.0 (MIUI12) | - | |
| Payment Technology | Google Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi POCO X3 NFC | OnePlus 9 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
|---|---|---|---|
| 2G Band | - | 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 8, Band 9, Band 19 | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | 2100, 1900, 1700, 850, 900, 1700, 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 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, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | - | N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, 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 3500, TDD 2300 | |
| Wireless Interface | Wi-Fi | IEEE 802.11a/b/g/n/ac/ax | |
| Bluetooth | Bluetooth 5.1 | Bluetooth 5.2 | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Modem | - | Snapdragon X55 5G | |
| Messaging Services | SMS, MMS | - |
| MEDIA | Xiaomi POCO X3 NFC | OnePlus 9 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), M4A, DSF, AWB | 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 | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
| Sound Enhancements | Hi-Res audio | Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound |
| FEATURES | Xiaomi POCO X3 NFC | OnePlus 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 | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, flicker sensor, sensor core | |
| Security Devices | Face recognition, fingerprint reader (side) | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | Infrared remote control, MIMO technology, AI face unlock, Google Lens, linear motor, Qualcomm 4th generation AI Engine, LiquidCool Technology 1.0 Plus, GAME Turbo 3.0 | Noise Cancellation Technology, MIMO technology, Gesture Controls, OnePlus Switch, Alert Slider, dual stereo speakers, Zen mode 2.0, OnePlus Games |
| OTHERS | Xiaomi POCO X3 NFC | OnePlus 9 |
|---|
| Included Accessories | SIM card removal tool, USB-C cable, 33W charger, anti-bacterial case, anti-bacterial screen protector | SIM card removal tool, sticker, screen protector, USB-C to USB-C cable, protective case, Warp Charge 65 power adapter | |
|---|---|---|---|
| Compliant Standards | IP53, TUV Rheinland Low Blue Light Certification | SGS |
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