OPPO Find X vs. Xiaomi MI Mix 3 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO Find X and Xiaomi MI Mix 3 5G. 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.

Phone Specifications Comparison

OPPO Find X vs. Xiaomi MI Mix 3 5G Comparison Chart
DESIGN AND DIMENSIONS OPPO Find X Xiaomi MI Mix 3 5G
Product Type Smartphone Smartphone
Manufacturer Model Number CPH1875 -
Form Factor Touch Touch slider
Height 156.7 mm 157.89 mm Xiaomi MI Mix 3 5G has greater height than OPPO Find X.
Width 74.2 mm 74.69 mm Xiaomi MI Mix 3 5G has greater width than OPPO Find X.
Depth 9.6 mm 8.46 mm Xiaomi MI Mix 3 5G is narrower than OPPO Find X.
Weight 186 g 225 g OPPO Find X is lighter than OPPO Find X.
Body Colour Bordeaux red | Glacier blue Sapphire blue | Onyx black
Waterproof (Water-resistant) - -
SAR Value 1.658 W/kg (body), 1.57 W/kg (head), 3.99 W/kg (limb) 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 Dual-SIM Single-SIM
DISPLAY OPPO Find X Xiaomi MI Mix 3 5G
Display Type OLED display OLED display
Display Technology AMOLED AMOLED
Screen Size (Display Size) 6.4" 6.39" OPPO Find X has larger screen size than Xiaomi MI Mix 3 5G.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2340 x 1080 pixels Both phones have the same screen resolution.
Display Format Full HD+ Full HD+
Pixel Density 430 ppi 403 ppi OPPO Find X has better pixel density than Xiaomi MI Mix 3 5G.
Aspect Ratio 19.5:9 19.5:9
Max Brightness 430 cd/m² 600 cd/m² Xiaomi MI Mix 3 5G has better display brightness than OPPO Find X.
Colour Depth 16.7 million colours -
Contrast Ratio - 60000:1
HDR - Yes Xiaomi MI Mix 3 5G has HDR.
Display Enhancement Technology - Sunlight mode
Display Features Panoramic Arc Screen Always-on display, Reading mode, Colour temperature adjustment, night mode
PROCESSOR OPPO Find X Xiaomi MI Mix 3 5G
Processor Type (CPU) Qualcomm Snapdragon 845 Qualcomm Snapdragon 855
Clock Speed - 2.84 GHz
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 OPPO Find X Xiaomi MI Mix 3 5G
RAM 8 GB LPDDR4X SDRAM - 6 GB OPPO Find X has more RAM than Xiaomi MI Mix 3 5G.
Internal Memory Size (Storage Capacity) 256 GB 128 GB OPPO Find X has more internal memory than Xiaomi MI Mix 3 5G.
Memory Interface - UFS 2.1
CAMERA OPPO Find X Xiaomi MI Mix 3 5G
MAIN CAMERA
Number of Main Cameras 2 2
Sensor Resolution 20 Megapixel 12 Megapixel OPPO Find X has better camera resolution than Xiaomi MI Mix 3 5G.
Sensor Name - Sony Exmor RS IMX363 sensor
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.8 Xiaomi MI Mix 3 5G has better lens aperture than OPPO Find X.
Pixel Size - 1.4 μm
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Special Effects - HDR
Camera Modes - Panorama, Nightscape capture mode, Personalized AI Beautify
Face Recognition (Face ID) - Face recognition Xiaomi MI Mix 3 5G has face detection.
Light Source LED flash 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
Camera Features (Functions) AI Dual camera, AI Beautify, AI scene recognition 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
SECOND CAMERA
Sensor Resolution (2nd Camera) 16 Megapixel 12 Megapixel OPPO Find X has better second camera resolution than Xiaomi MI Mix 3 5G.
Sensor Name (2nd Camera) - Samsung S5K3M3+
Lens Aperture (2nd Camera) F/2.0 -
Pixel Size (2nd Camera) - 1 μm
FRONT CAMERA
Number of Front Cameras 3 2
Front Camera Design Pop-up -
Sensor Resolution (Front) 25 Megapixel 24 Megapixel OPPO Find X has better front camera resolution than Xiaomi MI Mix 3 5G.
Sensor Name (Front) - Sony Exmor RS IMX576 sensor
Lens Aperture (Front) F/2.0 -
Pixel Size (Front) - 1.8 μm
Special Effects (Front) - Magic mirror
HDR Mode (Front) - Auto HDR mode
Camera Modes (Front) - Bokeh Mode, AI Beautify, AI makeup
Face Recognition (Face ID) - Face recognition Xiaomi MI Mix 3 5G has face detection.
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
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) - 2 Megapixel
Sensor Name (2nd Front) - OC0A10
Pixel Size (2nd Front) - 1.75 μm
Camera Features (2nd Front) Flood Illuminator, Dot Projector -
THIRD FRONT CAMERA
Camera Functions (3rd Front) Infrared Camera -
BATTERY AND CHARGING OPPO Find X Xiaomi MI Mix 3 5G
Battery Capacity (Battery Size) 3400 mAh 3800 mAh Xiaomi MI Mix 3 5G has larger battery capacity than OPPO Find X.
Fast Charging Technology SuperVOOC Flash Charge technology Qualcomm Quick Charge 4.0+ Both phones have fast charging technology.
CELLULAR OPPO Find X Xiaomi MI Mix 3 5G
Technology WCDMA (UMTS) / GSM CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA
Mobile Broadband Generation 4G 5G Xiaomi MI Mix 3 5G has more advanced generation mobile network.
Operating System ColorOS 5.1 (based on Android 8.1) -
Navigation GPS, A-GPS GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS OPPO Find X Xiaomi MI Mix 3 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 2100, 1900, 1700, 850, 900
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 32, 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 20, Band 28, Band 34, Band 38, Band 39, Band 40, Band 41
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 1500 L, 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 800 DD, FDD 700 APT, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500
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 Xiaomi MI Mix 3 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OPPO Find X Xiaomi MI Mix 3 5G
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
Supported Digital Video Standards - MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP
FEATURES OPPO Find X Xiaomi MI Mix 3 5G
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, proximity sensor, digital compass Accelerometer, ambient light sensor, digital compass, gyro sensor, vibration sensor, ultrasonic distance sensor
Security Devices Face recognition Face recognition, fingerprint reader
Security Technology Laser 3D face recognition -
Additional Phone Features 3D Structured Light technology MIMO technology, MU-MIMO technology
OTHERS OPPO Find X Xiaomi MI Mix 3 5G
Included Accessories Headset, power adapter, SIM card removal tool, pre-installed screen protection film, USB-C cable, USB-C to 3.5 jack audio cable, protective case Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable
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