Side by side comparison and review of Xiaomi MI 9 and OnePlus 7T. 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 | Xiaomi MI 9 | OnePlus 7T |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 157.5 mm | 160.94 mm | OnePlus 7T has greater height than Xiaomi MI 9. |
Width | 74.67 mm | 74.44 mm | Xiaomi MI 9 has greater width than OnePlus 7T. |
Depth | 7.61 mm | 8.13 mm | Xiaomi MI 9 is narrower than Xiaomi MI 9. |
Weight | 173 g | 190 g | Xiaomi MI 9 is lighter than Xiaomi MI 9. |
Body Colour | Ocean blue | Piano black | Glacier blue | |
Body Material | Curved glass | Frosted glass, 3D Gorilla Glass | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.301 W/kg (body), 1.389 W/kg (head) | - | |
Connector Type | USB Type-C - 24 pin USB-C | USB Type-C - 24 pin USB-C | |
SIM Card Type (Size) | Nano SIM | Nano SIM | |
SIM Card Qty | Dual-SIM | Dual-SIM |
DISPLAY | Xiaomi MI 9 | OnePlus 7T |
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Display Type | OLED display | OLED display | |
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Display Technology | AMOLED | Fluid Amoled | |
Screen Size (Display Size) | 6.39" | 6.55" | OnePlus 7T has larger screen size than Xiaomi MI 9. |
Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | OnePlus 7T has better screen resolution than Xiaomi MI 9. |
Display Format | Full HD+ | - | |
Pixel Density | 403 ppi | 402 ppi | Xiaomi MI 9 has better pixel density than OnePlus 7T. |
Aspect Ratio | - | 20:9 | |
Max Brightness | 600 cd/m² | 1000 cd/m² | OnePlus 7T has better display brightness than Xiaomi MI 9. |
Contrast Ratio | 60000:1 | - | |
HDR | Yes | - | Xiaomi MI 9 has HDR. |
HDR Technology | HDR10 | HDR10+ | |
Display Enhancement Technology | Sunshine mode 2.0 | - | |
Display Refresh Rate | - | 90 Hz | |
Display Features | Always-on display, Reading mode, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG) | 2.5D Glass, Reading mode, night mode, DCI-P3 Wide colour gamut, Video Enhancer | |
Display Protection (Screen Protector) | Fingerprint-resistant coating, Corning Gorilla Glass 6 (scratch resistant glass), oil protective coating | - |
PROCESSOR | Xiaomi MI 9 | OnePlus 7T |
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Processor Type (CPU) | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 855+ | |
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Clock Speed | 2.84 GHz | 2.96 GHz | OnePlus 7T has higher clock speed than Xiaomi MI 9. |
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 640 | Qualcomm ADRENO 640 |
MEMORY | Xiaomi MI 9 | OnePlus 7T |
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RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 8 GB | OnePlus 7T has more RAM than Xiaomi MI 9. |
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Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OnePlus 7T has more internal memory than Xiaomi MI 9. |
Memory Interface | - | UFS 3.0 |
CAMERA | Xiaomi MI 9 | OnePlus 7T |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 3 | |
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Sensor Resolution | 48 Megapixel | 48 Megapixel | Both phones have the same camera resolution. |
Sensor Name | Sony Exmor RS IMX586 sensor | Sony Exmor RS IMX586 sensor | |
Lens Type | Ultra wide-angle lens | - | |
Lens Aperture | F/1.75 | F/1.6 | OnePlus 7T has better lens aperture than Xiaomi MI 9. |
Lens Construction | - | 7-element | |
Pixel Size | 0.8 μm | 0.8 μm | Both phones have the same camera pixel size. |
Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OnePlus 7T has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | Yes | - | |
Optical Zoom | 2x | 2x | Both phones have the same optical zoom. |
Digital Zoom | 10x | - | |
Special Effects | HDR | HDR | |
Camera Modes | Burst mode, Panorama, portrait mode, AI Beautify, Smart ultra-wide angle mode, Ultra nightscape mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode | Panorama, Time-lapse mode, Pro mode, portrait mode, Nightscape capture mode | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 has face detection. |
Light Source | Dual flash | Dual LED flash | |
Still Image Resolutions | 8000 x 6000 | - | |
Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 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, 3840 x 2160 (4K) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 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 1280 x 720 (720p) at 960 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps | |
Camera Features (Functions) | Sapphire crystal lens cover, Phase Detect Auto-Focus (PDAF), Dynamic photos, video stabilisation, Contrast Auto-Focus, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking, Quick motion | 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 |
SECOND CAMERA |
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Sensor Resolution (2nd Camera) | 12 Megapixel | 16 Megapixel | OnePlus 7T has better second camera resolution than Xiaomi MI 9. |
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Lens Type (2nd Camera) | Telephoto lens | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
Field of View (2nd Camera) | - | 117 degree(s) | |
Pixel Size (2nd Camera) | 1 μm | - | |
Camera Features (2nd Camera) | Macro photography | - |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 16 Megapixel | 12 Megapixel | Xiaomi MI 9 has higher resolution third camera than OnePlus 7T. |
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Lens Type (3rd Camera) | Ultra wide-angle lens | Telephoto lens | |
Lens Aperture (3rd Camera) | F/2.2 | F/2.2 | Both phones have the same lens aperture of the third camera. |
Pixel Size (3rd Camera) | 1 μm | 1 μm | Both phones have the same third camera pixel size. |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 20 Megapixel | 16 Megapixel | Xiaomi MI 9 has better front camera resolution than OnePlus 7T. |
Sensor Name (Front) | - | Sony Exmor RX IMX471 sensor | |
Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
Pixel Size (Front) | 0.9 μm | 1 μm | OnePlus 7T has larger front camera pixel size than Xiaomi MI 9. |
Focus Adjustment | - | Focus free | |
Special Effects (Front) | HDR, Magic mirror | HDR, face retouch | |
Camera Modes (Front) | AI portrait mode, AI Beautify, AI makeup | Time-lapse mode | |
Face Recognition (Face ID) | Face recognition | Face recognition | Both phones have face detection. |
Light Source (Front) | - | Display flash | |
Video Resolutions (Front) | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | 1920 x 1080 (1080p) at 30 fps | |
Camera Features (Front) | Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare | Electronic Image Stabiliser (EIS) |
BATTERY AND CHARGING | Xiaomi MI 9 | OnePlus 7T |
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Battery Capacity (Battery Size) | 3300 mAh | 3800 mAh | OnePlus 7T has larger battery capacity than Xiaomi MI 9. |
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Fast Charging Technology | Qualcomm Quick Charge 4.0+ | Warp Charge 30T technology | Both phones have fast charging technology. |
Wireless Charging Standards | WPC, Qi | - |
CELLULAR | Xiaomi MI 9 | OnePlus 7T |
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Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | CDMA2000 1X / GSM / WCDMA (UMTS) | |
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Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
Operating System | - | OxygenOS (based on Android 10) | |
User Interface | MIUI 10 | - | |
Intelligent Assistant | Google Assistant | - | |
Payment Technology | Android Pay | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | Xiaomi MI 9 | OnePlus 7T |
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Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | |
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2G Band | - | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X | |
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 12, Band 20, Band 28, Band 38, Band 39, Band 40 | 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 29, Band 32, Band 34, 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 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300 | 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 700d, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
WLAN Security | WPA3 | - | |
Messaging Services | SMS, MMS | SMS, MMS |
MEDIA | Xiaomi MI 9 | OnePlus 7T |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD | 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 | |
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Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9 | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
Sound Enhancements | Qualcomm TrueWireless Stereo Plus | Dolby Atmos sound technology |
FEATURES | Xiaomi MI 9 | OnePlus 7T |
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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 | |
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Sensors | Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display), face recognition | |
Additional Phone Features | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | Face Unlock, Noise Cancellation Technology, MIMO technology, Haptic vibration motor, Fnatic mode, Zen mode, OnePlus Switch |
OTHERS | Xiaomi MI 9 | OnePlus 7T |
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Included Accessories | Protective cover, SIM card removal tool, USB-C cable, USB-C audio adapter, 18W QC3.0 charger | SIM card removal tool, sticker, USB-C cable, screen protector (pre-applied), protective case, Warp Charge 30 power adapter | |
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Compliant Standards | TUV Rheinland Certified Safe Fast-Charge System | TUV Rheinland Eye Comfort Certification |