In depth comparison and review of Xiaomi MI Mix 3 5G and OnePlus 7T. 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 Mix 3 5G | OnePlus 7T |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch slider | Touch | |
| Height | 157.89 mm | 160.94 mm | OnePlus 7T has greater height than Xiaomi MI Mix 3 5G. |
| Width | 74.69 mm | 74.44 mm | Xiaomi MI Mix 3 5G has greater width than OnePlus 7T. |
| Depth | 8.46 mm | 8.13 mm | OnePlus 7T is narrower than Xiaomi MI Mix 3 5G. |
| Weight | 225 g | 190 g | OnePlus 7T is lighter than Xiaomi MI Mix 3 5G. |
| Body Colour | Sapphire blue | Onyx black | Glacier blue | |
| Body Material | - | Frosted glass, 3D Gorilla Glass | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.577 W/kg (body), 1.557 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 | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI Mix 3 5G | OnePlus 7T |
|---|
| Display Type | OLED display | OLED display | |
|---|---|---|---|
| Display Technology | AMOLED | Fluid Amoled | |
| Screen Size (Display Size) | 6.39" | 6.55" | OnePlus 7T has larger screen size than Xiaomi MI Mix 3 5G. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2400 x 1080 pixels | OnePlus 7T has better screen resolution than Xiaomi MI Mix 3 5G. |
| Display Format | Full HD+ | - | |
| Pixel Density | 403 ppi | 402 ppi | Xiaomi MI Mix 3 5G has better pixel density than OnePlus 7T. |
| Aspect Ratio | 19.5:9 | 20:9 | |
| Max Brightness | 600 cd/m² | 1000 cd/m² | OnePlus 7T has better display brightness than Xiaomi MI Mix 3 5G. |
| Contrast Ratio | 60000:1 | - | |
| HDR | Yes | - | Xiaomi MI Mix 3 5G has HDR. |
| HDR Technology | - | HDR10+ | |
| Display Enhancement Technology | Sunlight mode | - | |
| Display Refresh Rate | - | 90 Hz | |
| Display Features | Always-on display, Reading mode, Colour temperature adjustment, night mode | 2.5D Glass, Reading mode, night mode, DCI-P3 Wide colour gamut, Video Enhancer |
| PROCESSOR | Xiaomi MI Mix 3 5G | OnePlus 7T |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 855+ | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 2.96 GHz | OnePlus 7T has higher clock speed than Xiaomi MI Mix 3 5G. |
| Processor Core Qty | - | 8-core | |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 640 | Qualcomm ADRENO 640 |
| MEMORY | Xiaomi MI Mix 3 5G | OnePlus 7T |
|---|
| RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 8 GB | OnePlus 7T has more RAM than Xiaomi MI Mix 3 5G. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 128 GB | 128 GB | Both phones have the same internal memory capacity. |
| Memory Interface | UFS 2.1 | UFS 3.0 |
| CAMERA | Xiaomi MI Mix 3 5G | OnePlus 7T |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 2 | 3 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 48 Megapixel | OnePlus 7T has better camera resolution than Xiaomi MI Mix 3 5G. |
| Sensor Name | Sony Exmor RS IMX363 sensor | Sony Exmor RS IMX586 sensor | |
| Lens Type | Wide-angle lens | - | |
| Lens Aperture | F/1.8 | F/1.6 | OnePlus 7T has better lens aperture than Xiaomi MI Mix 3 5G. |
| Lens Construction | - | 7-element | |
| Pixel Size | 1.4 μm | 0.8 μm | Xiaomi MI Mix 3 5G has larger camera pixel size than OnePlus 7T. |
| Optical Image Stabiliser (OIS) | 4-axis OIS (Optical Image Stabilisation) | Optical Image Stabiliser (OIS) | Both phones have optical image stabilization. |
| Focus Adjustment | Automatic | Automatic | |
| Optical Zoom | - | 2x | |
| Special Effects | HDR | HDR | |
| Camera Modes | Panorama, Nightscape capture mode, Personalized AI Beautify | Panorama, Time-lapse mode, Pro mode, portrait mode, Nightscape capture mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI Mix 3 5G has face detection. |
| Light Source | 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, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1920 x 1080 (1080p) 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) | AI scene and object detection, Dual Pixel Autofocus technology, AI Dual camera, 4-in-1 Super Pixel, AI scene detection, AI dynamic bokeh, AI studio lighting, AI Super Resolution, low-light enhancement technology, AI special effects | 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 |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 16 Megapixel | OnePlus 7T has better second camera resolution than Xiaomi MI Mix 3 5G. |
|---|---|---|---|
| Sensor Name (2nd Camera) | Samsung S5K3M3+ | - | |
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 117 degree(s) | |
| Pixel Size (2nd Camera) | 1 μm | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 12 Megapixel | |
|---|---|---|---|
| Lens Type (3rd Camera) | - | Telephoto lens | |
| Lens Aperture (3rd Camera) | - | F/2.2 | |
| Pixel Size (3rd Camera) | - | 1 μm |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 2 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 24 Megapixel | 16 Megapixel | Xiaomi MI Mix 3 5G has better front camera resolution than OnePlus 7T. |
| Sensor Name (Front) | Sony Exmor RS IMX576 sensor | Sony Exmor RX IMX471 sensor | |
| Lens Aperture (Front) | - | F/2.0 | |
| Pixel Size (Front) | 1.8 μm | 1 μm | Xiaomi MI Mix 3 5G has larger front camera pixel size than OnePlus 7T. |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | Magic mirror | HDR, face retouch | |
| HDR Mode (Front) | Auto HDR mode | - | |
| Camera Modes (Front) | Bokeh 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 | |
| Camera Features (Front) | AI portrait mode, 4-in-1 Super Pixel technology, Video Beautify, AI scene detection, AI dynamic bokeh, AI studio lighting, AI real-time video background blurring, AI eye light | Electronic Image Stabiliser (EIS) |
| SECOND FRONT CAMERA |
|---|
| Sensor Resolution (2nd Front) | 2 Megapixel | - | |
|---|---|---|---|
| Sensor Name (2nd Front) | OC0A10 | - | |
| Pixel Size (2nd Front) | 1.75 μm | - |
| BATTERY AND CHARGING | Xiaomi MI Mix 3 5G | OnePlus 7T |
|---|
| Battery Capacity (Battery Size) | 3800 mAh | 3800 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0+ | Warp Charge 30T technology | Both phones have fast charging technology. |
| CELLULAR | Xiaomi MI Mix 3 5G | OnePlus 7T |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | CDMA2000 1X / GSM / WCDMA (UMTS) | |
|---|---|---|---|
| Mobile Broadband Generation | 5G | 4G | Xiaomi MI Mix 3 5G has more advanced generation mobile network. |
| Operating System | - | OxygenOS (based on Android 10) | |
| Navigation | GPS, GLONASS, BeiDou, Galileo, QZSS | GPS, GLONASS, BeiDou, Galileo |
| COMMUNICATIONS | Xiaomi MI Mix 3 5G | OnePlus 7T |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, LTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X | 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 20, Band 28, Band 34, Band 38, Band 39, 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 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 800 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, 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 700d, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 | |
| 5G NR Band | N78 | - | |
| 5G NR Frequency | TDD TD 3500 | - | |
| 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. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI Mix 3 5G | OnePlus 7T |
|---|
| Supported Digital Audio Standards | WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), apt-X, AMR-WB, AMR-NB, 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 | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP | MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 | |
| Sound Enhancements | - | Dolby Atmos sound technology |
| FEATURES | Xiaomi MI Mix 3 5G | OnePlus 7T |
|---|
| 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, digital compass, gyro sensor, vibration sensor, ultrasonic distance sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor | |
| Security Devices | Face recognition, fingerprint reader | Fingerprint reader (under display), face recognition | |
| Additional Phone Features | MIMO technology, MU-MIMO technology | Face Unlock, Noise Cancellation Technology, MIMO technology, Haptic vibration motor, Fnatic mode, Zen mode, OnePlus Switch |
| OTHERS | Xiaomi MI Mix 3 5G | OnePlus 7T |
|---|
| 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, USB-C cable, screen protector (pre-applied), protective case, Warp Charge 30 power adapter | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland Eye Comfort Certification |
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