Xiaomi MI Mix 3 vs. OnePlus 7

Phone Comparison, Reviews and Tests

Detailed comparison and review of Xiaomi MI Mix 3 and OnePlus 7. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

Xiaomi MI Mix 3 vs. OnePlus 7 Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI Mix 3 OnePlus 7
Product Type Smartphone Smartphone
Form Factor Touch slider Touch
Height 157.89 mm 157.7 mm Xiaomi MI Mix 3 has greater height than OnePlus 7.
Width 74.69 mm 74.8 mm OnePlus 7 has greater width than Xiaomi MI Mix 3.
Depth 8.46 mm 8.2 mm OnePlus 7 is narrower than Xiaomi MI Mix 3.
Weight 218 g 182 g OnePlus 7 is lighter than Xiaomi MI Mix 3.
Body Colour Sapphire blue | Jade green Mirror grey
Body Material - 3D glass
Waterproof (Water-resistant) - -
SAR Value 1.568 W/kg (body), 1.448 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 Mix 3 OnePlus 7
Display Type OLED display OLED display
Display Technology AMOLED Optic AMOLED
Screen Size (Display Size) 6.39" 6.41" OnePlus 7 has larger screen size than Xiaomi MI Mix 3.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2340 x 1080 pixels Both phones have the same screen resolution.
Display Format Full HD+ -
Pixel Density 403 ppi 402 ppi Xiaomi MI Mix 3 has better pixel density than OnePlus 7.
Aspect Ratio 19.5:9 19.5:9
Max Brightness 600 cd/m² -
Contrast Ratio 60000:1 -
HDR Yes - Xiaomi MI Mix 3 has HDR.
Display Enhancement Technology Sunlight mode -
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
Display Protection (Screen Protector) - Corning Gorilla Glass (scratch resistant glass)
PROCESSOR Xiaomi MI Mix 3 OnePlus 7
Processor Type (CPU) Qualcomm Snapdragon 845 AIE Snapdragon 855
Clock Speed 2.8 GHz 2.84 GHz OnePlus 7 has higher clock speed than Xiaomi MI Mix 3.
Processor Core Qty - 8-core
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 630 Qualcomm ADRENO 640
MEMORY Xiaomi MI Mix 3 OnePlus 7
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
Memory Interface - UFS 3.0
CAMERA Xiaomi MI Mix 3 OnePlus 7
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 12 Megapixel 48 Megapixel OnePlus 7 has better camera resolution than Xiaomi MI Mix 3.
Sensor Name Sony Exmor RS IMX363 sensor Sony Exmor RS IMX586 sensor
Lens Type Wide-angle lens -
Lens Aperture F/1.8 F/1.7 OnePlus 7 has better lens aperture than Xiaomi MI Mix 3.
Pixel Size - 0.8 μm
Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Special Effects HDR HDR
Camera Modes Panorama, AI Beautify, Nightscape capture mode Panorama, Time-lapse mode, Pro mode, night mode, Portrait
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix 3 has face detection.
Light Source LED light 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 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps
Camera Features (Functions) Dual Pixel Phase Detect Auto-Focus (PDAF), AI scene and object detection, AI Dual camera, AI dynamic bokeh, AI studio lighting, AI Super Resolution, AI special effects Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), RAW image capture, AI scene detection, AI studio lighting
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 5 Megapixel Xiaomi MI Mix 3 has better second camera resolution than OnePlus 7.
Sensor Name (2nd Camera) Samsung S5K3M3+ -
Lens Aperture (2nd Camera) - F/2.4
Pixel Size (2nd Camera) - 1.12 μm
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 24 Megapixel 16 Megapixel Xiaomi MI Mix 3 has better front camera resolution than OnePlus 7.
Sensor Name (Front) Sony Exmor RS IMX576 sensor Sony Exmor RX IMX471 sensor
Lens Aperture (Front) - F/2.0
Pixel Size (Front) - 1 μm
Focus Adjustment - Focus free
Special Effects (Front) Magic mirror HDR, face retouch
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Bokeh Mode, 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, 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 -
BATTERY AND CHARGING Xiaomi MI Mix 3 OnePlus 7
Battery Capacity (Battery Size) 3200 mAh 3700 mAh OnePlus 7 has larger battery capacity than Xiaomi MI Mix 3.
Fast Charging Technology Qualcomm Quick Charge 3.0, Qualcomm Quick Charge 4.0+ - Xiaomi MI Mix 3 has fast charging technology.
Wireless Charging Yes - Xiaomi MI Mix 3 can be charged wirelessly.
Wireless Charging Standards Qi -
CELLULAR Xiaomi MI Mix 3 OnePlus 7
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System - OxygenOS (based on Android Pie)
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou, Galileo, SBAS
COMMUNICATIONS Xiaomi MI Mix 3 OnePlus 7
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X, 1900 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X
3G UMTS Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 6, Band 8, Band 9, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19
3G UMTS Frequency 2100, 1900, 1800, 1700, 850, 800, 900, 1700, 800 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 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 30, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 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 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 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.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI Mix 3 OnePlus 7
Supported Digital Audio Standards WAV, AAC, PCM, AMR, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, IMY, EAC3, MID, AMR-WB, AMR-NB
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 OnePlus 7
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 Fingerprint reader Fingerprint reader (under display), face recognition
Additional Phone Features MIMO technology, MU-MIMO technology Face Unlock, Noise Cancellation Technology, MIMO technology, Fast Charging, AI Engine
OTHERS Xiaomi MI Mix 3 OnePlus 7
Included Accessories Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable, Xiaomi wireless charger Power adapter, SIM card removal tool, sticker, USB-C cable, screen protector (pre-applied), protective case
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