In depth comparison and review of Xiaomi MI 9 Lite 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 MI 9 Lite | OnePlus 9 |
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Product Type | Smartphone | Smartphone | |
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Form Factor | Touch | Touch | |
Height | 156.8 mm | 160 mm | OnePlus 9 has greater height than Xiaomi MI 9 Lite. |
Width | 74.5 mm | 74.2 mm | Xiaomi MI 9 Lite has greater width than OnePlus 9. |
Depth | 8.67 mm | 8.7 mm | Xiaomi MI 9 Lite is narrower than Xiaomi MI 9 Lite. |
Weight | 179 g | 192 g | Xiaomi MI 9 Lite is lighter than Xiaomi MI 9 Lite. |
Body Colour | Aurora blue | Astral black | Arctic sky | |
Waterproof (Water-resistant) | - | - | |
SAR Value | 1.4 W/kg (body), 1.42 W/kg (head), 3.18 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 |
DISPLAY | Xiaomi MI 9 Lite | OnePlus 9 |
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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 9 has larger screen size than Xiaomi MI 9 Lite. |
Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | OnePlus 9 has better screen resolution than Xiaomi MI 9 Lite. |
Display Format | Full HD+ | Full HD+ | |
Pixel Density | 403 ppi | 402 ppi | Xiaomi MI 9 Lite has better pixel density than OnePlus 9. |
Aspect Ratio | 19.5:9 | 20:9 | |
Max Brightness | 600 cd/m² | 1100 cd/m² | OnePlus 9 has better display brightness than Xiaomi MI 9 Lite. |
Colour Depth | - | 16.7 million colours | |
Contrast Ratio | 60000:1 | - | |
HDR | Yes | Yes | Both phones have HDR. |
HDR Technology | HDR10 | HDR10+ | |
Display Enhancement Technology | Sunshine mode 2.0 | Vibrant Color Effect | |
Display Refresh Rate | - | 120 Hz | |
Display Features | Reading mode, Colour temperature adjustment, night mode, 256 ranks adjustable Reading mode, Dark mode, Multi-colour Always-on display, Dynamic 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 MI 9 Lite | OnePlus 9 |
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Processor Type (CPU) | Qualcomm Snapdragon 710 | Qualcomm Snapdragon 888 | |
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Clock Speed | 2.2 GHz | - | |
Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
64-bit Architecture | Yes | - | Xiaomi MI 9 Lite has 64-bit architecture. |
Graphics System (GPU) | Qualcomm ADRENO 640 | Qualcomm ADRENO 660 |
MEMORY | Xiaomi MI 9 Lite | OnePlus 9 |
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RAM | LPDDR4X SDRAM - 6 GB | LPDDR5 SDRAM - 8 GB | OnePlus 9 has more RAM than Xiaomi MI 9 Lite. |
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Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
Memory Interface | - | UFS 3.1 |
CAMERA | Xiaomi MI 9 Lite | OnePlus 9 |
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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 Size | 1/2" | 1/1.43" | Xiaomi MI 9 Lite has better camera sensor size than OnePlus 9. |
Sensor Name | - | Sony Exmor RS IMX689 sensor | |
Lens Type | Wide-angle lens | - | |
Lens Aperture | F/1.79 | F/1.8 | Xiaomi MI 9 Lite has better lens aperture than Xiaomi MI 9 Lite. |
Lens Construction | 6-element | 7-element | |
Pixel Size | 0.8 μm | 1.12 μm | OnePlus 9 has larger camera pixel size than Xiaomi MI 9 Lite. |
Focus Adjustment | Automatic | Automatic | |
Laser Auto Focus | Yes | Yes | |
Minimum Focal Length (Focal Distance) | - | 23 mm | |
Optical Zoom | 2x | - | |
Digital Zoom | 10x | - | |
Special Effects | HDR | HDR | |
Camera Modes | Burst mode, Panorama, Pro mode, AI Beautify, Smart ultra-wide angle mode, Photo timer, Custom watermark, Full body portrait mode, Baby Beautify, AI smart slimming | 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 | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 Lite has face detection. |
Light Source | LED 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, 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) | Phase Detect Auto-Focus (PDAF), Continuous Auto Focus (CAF), video stabilisation, 4-in-1 Super Pixel, 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 | 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 |
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Sensor Resolution (2nd Camera) | 8 Megapixel | 50 Megapixel | OnePlus 9 has better second camera resolution than Xiaomi MI 9 Lite. |
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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 | |
Lens Element Qty (2nd Camera) | - | 7-element | |
Field of View (2nd Camera) | - | 119 degree(s) | |
Minimum Focal Length (2nd Camera) | - | 14 mm | |
Camera Features (2nd Camera) | - | 2x2 On-Chip Lens (OCL), Freeform Lens |
THIRD CAMERA |
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Sensor Resolution (3rd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same third camera resolution. |
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Lens Aperture (3rd Camera) | - | F/2.4 | |
Lens Element Qty (3rd Camera) | - | 3-element | |
Camera Functions (3rd Camera) | Depth camera | Monochrome |
FRONT CAMERA |
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Number of Front Cameras | 1 | 1 | |
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Sensor Resolution (Front) | 32 Megapixel | 16 Megapixel | Xiaomi MI 9 Lite has better front camera resolution than OnePlus 9. |
Sensor Name (Front) | - | Sony Exmor RX IMX471 sensor | |
Lens Aperture (Front) | F/2.0 | F/2.4 | Xiaomi MI 9 Lite has better front lens aperture than Xiaomi MI 9 Lite. |
Pixel Size (Front) | 1.6 μm | 1 μm | Xiaomi MI 9 Lite has larger front camera pixel size than OnePlus 9. |
Focus Adjustment | - | Focus free | |
Special Effects (Front) | HDR, Magic mirror | HDR, face retouch | |
Camera Modes (Front) | Selfie panorama, AI portrait mode, AI Beautify, AI makeup | Time-lapse mode | |
Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 Lite has 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, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, sapphire crystal lens cover, ambient bulb, Palm shutter, AI silhouette detection, wide-angle distortion correction, camera display brightness correction | Electronic Image Stabiliser (EIS) |
BATTERY AND CHARGING | Xiaomi MI 9 Lite | OnePlus 9 |
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Battery Capacity (Battery Size) | 4030 mAh | 4500 mAh | OnePlus 9 has larger battery capacity than Xiaomi MI 9 Lite. |
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Fast Charging Technology | Qualcomm Quick Charge 4.0+ | Qualcomm Quick Charge, Warp Charge 65T technology | Both phones have fast charging technology. |
Recharge Time (Charging Time) | - | 29 min | |
Wireless Charging | - | Yes | OnePlus 9 can be charged wirelessly. |
Wireless Charging Standards | - | Qi | |
Battery Technology | Lithium Ion | - |
CELLULAR | Xiaomi MI 9 Lite | OnePlus 9 |
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Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
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Mobile Broadband Generation | 4G | 5G | OnePlus 9 has more advanced generation mobile network. |
Operating System | Android 9.0 Pie | OxygenOS (based on Android 11) | |
User Interface | MIUI 10 | - | |
Payment Technology | Google Pay | - | |
Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou, Galileo |
COMMUNICATIONS | Xiaomi MI 9 Lite | OnePlus 9 |
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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 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 | 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 | IEEE 802.11a/b/g/n/ac | IEEE 802.11a/b/g/n/ac/ax | |
Bluetooth | Bluetooth 5.0 | 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 MI 9 Lite | OnePlus 9 |
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Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, APE (Monkey's Audio), apt-X, LDAC, apt-X HD | 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 | |
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Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, VP8, VP9 | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
Sound Enhancements | Hi-Fi Sound support, Hi-Res audio, Qualcomm TrueWireless Stereo Plus | Qualcomm aptX audio, Qualcomm aptX HD audio, Dolby Atmos Surround Sound |
FEATURES | Xiaomi MI 9 Lite | OnePlus 9 |
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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, digital compass, gyro sensor, distance sensor, In-screen ambient light 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 | |
Additional Phone Features | HD Voice, Dual microphones, MU-MIMO technology, Fast Charging, AI Engine, MI Turbo, GAME Turbo 2.0 | Noise Cancellation Technology, MIMO technology, Gesture Controls, OnePlus Switch, Alert Slider, dual stereo speakers, Zen mode 2.0, OnePlus Games |
OTHERS | Xiaomi MI 9 Lite | OnePlus 9 |
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Included Accessories | Power adapter, SIM card removal tool, USB-C cable, soft case | SIM card removal tool, sticker, screen protector, USB-C to USB-C cable, protective case, Warp Charge 65 power adapter | |
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Compliant Standards | VDE | SGS |