In depth comparison and review of Xiaomi MI 9 SE and OnePlus 8T. 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 MI 9 SE | OnePlus 8T |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 147.5 mm | 160.7 mm | OnePlus 8T has greater height than Xiaomi MI 9 SE. |
Width | 70.5 mm | 74.1 mm | OnePlus 8T has greater width than Xiaomi MI 9 SE. |
Depth | 7.45 mm | 8.4 mm | Xiaomi MI 9 SE is narrower than Xiaomi MI 9 SE. |
Weight | 155 g | 188 g | Xiaomi MI 9 SE is lighter than Xiaomi MI 9 SE. |
Body Colour | Ocean blue | Piano black | Lunar silver | |
Body Material | Glass | - | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.385 W/kg (body), 1.385 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 SE | OnePlus 8T |
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Display Type | OLED display | OLED display | |
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Display Technology | AMOLED | Fluid Amoled | |
Screen Size (Display Size) | 5.97" | 6.55" | OnePlus 8T has larger screen size than Xiaomi MI 9 SE. |
Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | OnePlus 8T has better screen resolution than Xiaomi MI 9 SE. |
Display Format | Full HD+ | Full HD+ | |
Pixel Density | 432 ppi | 402 ppi | Xiaomi MI 9 SE has better pixel density than OnePlus 8T. |
Aspect Ratio | - | 20:9 | |
Max Brightness | 600 cd/m² | 1100 cd/m² | OnePlus 8T has better display brightness than Xiaomi MI 9 SE. |
Contrast Ratio | 60000:1 | - | |
HDR | Yes | Yes | Both phones have HDR. |
HDR Technology | HDR10 | HDR10+ | |
Display Enhancement Technology | Sunshine mode 2.0 | - | |
Display Refresh Rate | - | 120 Hz | |
Display Features | Always-on display, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode | Always-on display, Reading mode, night mode, Wide colour display (P3) | |
Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass), fingerprint-resistant coating, oil protective coating | Corning Gorilla Glass (scratch resistant glass) |
PROCESSOR | Xiaomi MI 9 SE | OnePlus 8T |
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Processor Type (CPU) | Qualcomm Snapdragon 712 | Qualcomm Snapdragon 865 | |
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Clock Speed | 2.3 GHz | 3.1 GHz | OnePlus 8T has higher clock speed than Xiaomi MI 9 SE. |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | Xiaomi MI 9 SE has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 616 | Qualcomm ADRENO 650 |
MEMORY | Xiaomi MI 9 SE | OnePlus 8T |
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RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 8 GB | OnePlus 8T has more RAM than Xiaomi MI 9 SE. |
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Internal Memory Size (Storage Capacity) | 64 GB | 128 GB | OnePlus 8T has more internal memory than Xiaomi MI 9 SE. |
Memory Interface | - | UFS 3.1 |
CAMERA | Xiaomi MI 9 SE | OnePlus 8T |
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MAIN CAMERA |
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Number of Main Cameras | 3 | 4 | |
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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 | Wide-angle lens | - | |
Lens Aperture | F/1.75 | F/1.7 | OnePlus 8T has better lens aperture than Xiaomi MI 9 SE. |
Lens Construction | - | 6-element | |
Pixel Size | - | 0.8 μm | |
Optical Image Stabiliser (OIS) | - | Optical Image Stabiliser (OIS) | OnePlus 8T has optical stabilisation. |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | Yes | Yes | |
Optical Zoom | 2x | - | |
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, Cine Video Mode, Nightscape capture mode, Portrait, Ultra shot, Filter mode, Pet mode, Macro mode, Video Portrait Mode | |
Face Recognition (Face ID) | Face recognition | Face detection | Both phones have face detection. |
Light Source | Dual flash | Dual LED flash | |
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, 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 | |
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 | Tracking Focus, 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 |
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Sensor Resolution (2nd Camera) | 13 Megapixel | 16 Megapixel | OnePlus 8T has better second camera resolution than Xiaomi MI 9 SE. |
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Lens Type (2nd Camera) | Ultra wide-angle lens | Ultra wide-angle lens | |
Lens Aperture (2nd Camera) | F/2.4 | F/2.2 | OnePlus 8T has better second camera lens aperture than Xiaomi MI 9 SE. |
Field of View (2nd Camera) | 123 degree(s) | 123 degree(s) | Both phones have the same second camera lens field of view. |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 8 Megapixel | 5 Megapixel | Xiaomi MI 9 SE has higher resolution third camera than OnePlus 8T. |
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Lens Type (3rd Camera) | Telephoto lens | - | |
Lens Aperture (3rd Camera) | F/2.4 | - | |
Pixel Size (3rd Camera) | 1 μm | - | |
Camera Functions (3rd Camera) | - | Macro camera |
FOURTH CAMERA |
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Sensor Resolution (4th Camera) | - | 2 Megapixel | |
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Camera Functions (4th Camera) | - | Monochrome |
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 SE has better front camera resolution than OnePlus 8T. |
Sensor Name (Front) | - | Sony Exmor RX IMX471 sensor | |
Lens Aperture (Front) | - | F/2.4 | |
Pixel Size (Front) | - | 1 μm | |
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 | - | Xiaomi MI 9 SE has face detection. |
Light Source (Front) | - | Display flash | |
Video Resolutions (Front) | - | 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 SE | OnePlus 8T |
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Battery Capacity (Battery Size) | 3070 mAh | 4500 mAh | OnePlus 8T has larger battery capacity than Xiaomi MI 9 SE. |
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Fast Charging Technology | Qualcomm Quick Charge 4.0+ | Warp Charge 65 technology | Both phones have fast charging technology. |
CELLULAR | Xiaomi MI 9 SE | OnePlus 8T |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 5G | OnePlus 8T has more advanced generation mobile network. |
Operating System | - | OxygenOS (based on Android 11) | |
User Interface | MIUI 10 | - | |
Intelligent Assistant | Google Assistant | - | |
Payment Technology | Google Pay | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | Xiaomi MI 9 SE | OnePlus 8T |
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Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | FDD-LTE, TDD-LTE, 5G NR FR1 | |
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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 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 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 | |
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 | 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 | |
5G NR Band | - | N1, n3, n7, n28, n41, n78 | |
5G NR Frequency | - | FDD 2100, FDD 1800, FDD 2600, FDD 700APT, TDD TD 2500, TDD TD 3500 | |
Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax | |
Bluetooth | Bluetooth 5.0 | Bluetooth 5.1 | |
NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
Modem | - | Snapdragon X55 5G | |
Messaging Services | SMS, MMS | - |
MEDIA | Xiaomi MI 9 SE | OnePlus 8T |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, eAAC+, APE (Monkey's Audio), apt-X, LDAC, AMR-WB, AMR-NB, M4V, 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, SBC, 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, H.265, MP4 | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
Sound Enhancements | Qualcomm TrueWireless Stereo Plus | Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound |
FEATURES | Xiaomi MI 9 SE | OnePlus 8T |
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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, flicker sensor, sensor core | |
Security Devices | Fingerprint reader (under display) | Fingerprint reader (under display), face recognition | |
Security Technology | - | Face Unlock | |
Additional Phone Features | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | Noise Cancellation Technology, MIMO technology, Alert Slider, dual stereo speakers |
OTHERS | Xiaomi MI 9 SE | OnePlus 8T |
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Included Accessories | Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable | SIM card removal tool, sticker, screen protector, protective case, Warp Charge 65 power adapter, Warp Type-C to Type-C cable | |
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Compliant Standards | TUV Rheinland Certified Safe Fast-Charge System | SGS |