Xiaomi MI Mix 3 5G vs. Xiaomi Redmi Note 9 Pro

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI Mix 3 5G and Xiaomi Redmi Note 9 Pro. 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

Xiaomi MI Mix 3 5G vs. Xiaomi Redmi Note 9 Pro Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI Mix 3 5G Xiaomi Redmi Note 9 Pro
Product Type Smartphone Smartphone
Form Factor Touch slider Touch
Height 157.89 mm 165.75 mm Xiaomi Redmi Note 9 Pro has greater height than Xiaomi MI Mix 3 5G.
Width 74.69 mm 76.68 mm Xiaomi Redmi Note 9 Pro has greater width than Xiaomi MI Mix 3 5G.
Depth 8.46 mm 8.8 mm Xiaomi MI Mix 3 5G is narrower than Xiaomi MI Mix 3 5G.
Weight 225 g 209 g Xiaomi Redmi Note 9 Pro is lighter than Xiaomi MI Mix 3 5G.
Body Colour Sapphire blue | Onyx black Interstellar grey | Tropical green
Body Material - Curved 3D glass, Gorilla glass 5
Protection - Splashproof
Waterproof (Water-resistant) - -
SAR Value 1.577 W/kg (body), 1.557 W/kg (head) 2.07 W/kg (limb), 1.021 W/kg (body), 0.662 W/kg (head)
Integrated Components - Ultra-linear speaker
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) - Nano SIM
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Xiaomi MI Mix 3 5G Xiaomi Redmi Note 9 Pro
Display Type OLED display LCD display
Display Technology AMOLED -
Screen Size (Display Size) 6.39" 6.67" Xiaomi Redmi Note 9 Pro has larger screen size than Xiaomi MI Mix 3 5G.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Xiaomi Redmi Note 9 Pro has better screen resolution than Xiaomi MI Mix 3 5G.
Display Format Full HD+ Full HD+
Pixel Density 403 ppi -
Aspect Ratio 19.5:9 -
Max Brightness 600 cd/m² 450 cd/m² Xiaomi MI Mix 3 5G has better display brightness than Xiaomi Redmi Note 9 Pro.
Contrast Ratio 60000:1 1500:1 Xiaomi MI Mix 3 5G has better display contrast ratio than Xiaomi Redmi Note 9 Pro.
HDR Yes - Xiaomi MI Mix 3 5G has HDR.
Display Enhancement Technology Sunlight mode -
Display Features Always-on display, Reading mode, Colour temperature adjustment, night mode Reading mode 2.0, Dot Display
Display Protection (Screen Protector) - Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Xiaomi MI Mix 3 5G Xiaomi Redmi Note 9 Pro
Processor Type (CPU) Qualcomm Snapdragon 855 Qualcomm Snapdragon 720G
Clock Speed 2.84 GHz 2.3 GHz Xiaomi MI Mix 3 5G has higher clock speed than Xiaomi Redmi Note 9 Pro.
Processor Core Qty - 8-core
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 Qualcomm ADRENO 618
MEMORY Xiaomi MI Mix 3 5G Xiaomi Redmi Note 9 Pro
RAM LPDDR4X SDRAM - 6 GB 6 GB Both phones have the same RAM size.
Internal Memory Size (Storage Capacity) 128 GB 64 GB Xiaomi MI Mix 3 5G has more internal memory than Xiaomi Redmi Note 9 Pro.
Memory Interface UFS 2.1 -
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 512 GB
CAMERA Xiaomi MI Mix 3 5G Xiaomi Redmi Note 9 Pro
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 64 Megapixel Xiaomi Redmi Note 9 Pro has better camera resolution than Xiaomi MI Mix 3 5G.
Sensor Size - 1/1.72"
Sensor Name Sony Exmor RS IMX363 sensor -
Lens Type Wide-angle lens -
Lens Aperture F/1.8 F/1.89 Xiaomi MI Mix 3 5G has better lens aperture than Xiaomi MI Mix 3 5G.
Lens Construction - 6-element
Field of View (FoV) - 79.8 degree(s)
Pixel Size 1.4 μm 0.8 μm Xiaomi MI Mix 3 5G has larger camera pixel size than Xiaomi Redmi Note 9 Pro.
Optical Image Stabiliser (OIS) 4-axis OIS (Optical Image Stabilisation) - Xiaomi MI Mix 3 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Special Effects HDR HDR, Kaleidoscope
Camera Modes Panorama, Nightscape capture mode, Personalized AI Beautify Burst mode, Panorama, night mode, Smart ultra-wide angle mode, Photo timer, Custom watermark, Documents, Beautify, Levelling, Cinematic portraits
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Light Source Flash 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, 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, 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
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 4-in-1 Super Pixel, AI scene detection, Portrait mode with background blurring, Ultra wide-angle edge distortion correction, AI Quad camera, Steady handheld night photography, full screen frame, AI watermark
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Xiaomi MI Mix 3 5G has better second camera resolution than Xiaomi Redmi Note 9 Pro.
Sensor Size (2nd Camera) - 1/4"
Sensor Name (2nd Camera) Samsung S5K3M3+ -
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Lens Element Qty (2nd Camera) - 5-element
Field of View (2nd Camera) - 119 degree(s)
Pixel Size (2nd Camera) 1 μm 1.12 μm Xiaomi Redmi Note 9 Pro has larger second camera pixel size than Xiaomi MI Mix 3 5G.
Camera Features (2nd Camera) - 5-piece lens
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Sensor Size (3rd Camera) - 1/5"
Lens Aperture (3rd Camera) - F/2.4
Pixel Size (3rd Camera) - 1.12 μm
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - AF (2cm-10cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Sensor Size (4th Camera) - 1/5"
Lens Aperture (4th Camera) - F/2.4
Pixel Size (4th Camera) - 1.75 μm
Camera Functions (4th Camera) - Depth camera
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 Xiaomi Redmi Note 9 Pro.
Sensor Size (Front) - 1/3.06"
Sensor Name (Front) Sony Exmor RS IMX576 sensor -
Lens Aperture (Front) - F/2.48
Field of View (Front) - 82.4 degree(s)
Pixel Size (Front) 1.8 μm 1 μm Xiaomi MI Mix 3 5G has larger front camera pixel size than Xiaomi Redmi Note 9 Pro.
Special Effects (Front) Magic mirror HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Bokeh Mode, AI Beautify, AI makeup Panoramic selfies, AI portrait mode, AI Beautify, Slo-mo Selfie
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Light Source (Front) - Display flash
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 AI scene detection, Palm shutter, AI silhouette detection
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 Xiaomi Redmi Note 9 Pro
Battery Capacity (Battery Size) 3800 mAh 5020 mAh Xiaomi Redmi Note 9 Pro has larger battery capacity than Xiaomi MI Mix 3 5G.
Fast Charging Technology Qualcomm Quick Charge 4.0+ Qualcomm Quick Charge 4.0 Both phones have fast charging technology.
Talk Time - 1980 minutes
Run Time Details - Talk: up to 1980 min
Gaming: up to 13 hrs
Playback (Music): up to 147 hrs
Navigation: up to 16 hrs
Battery Technology - Lithium Ion
CELLULAR Xiaomi MI Mix 3 5G Xiaomi Redmi Note 9 Pro
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G Xiaomi MI Mix 3 5G has more advanced generation mobile network.
Operating System - Android 10
User Interface - MIUI 11
Payment Technology - Google Pay
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI Mix 3 5G Xiaomi Redmi Note 9 Pro
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X 850 GSM, 900 GSM, 1900 GSM, 2100 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 1900, 1700, 850, 900
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 20, Band 28, Band 38, 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 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 800 DD, FDD 700 APT, TDD 2600, 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 Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI Mix 3 5G Xiaomi Redmi Note 9 Pro
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, AAC, AMR, MP3, FLAC, APE (Monkey's Audio)
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP MKV, XviD, M4V, MP4
Audio Amplifier - Smart PA
FEATURES Xiaomi MI Mix 3 5G Xiaomi Redmi Note 9 Pro
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, digital compass, gyro sensor, distance sensor, infrared (IR) sensor, In-screen ambient light sensor
Security Devices Face recognition, fingerprint reader Face recognition, fingerprint reader (side)
Additional Phone Features MIMO technology, MU-MIMO technology Infrared remote control, AI face unlock, Qualcomm 5th generation AI Engine, Z-axis linear vibration motor
OTHERS Xiaomi MI Mix 3 5G Xiaomi Redmi Note 9 Pro
Included Accessories Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable Protective cover, SIM card removal tool, USB-C cable, 33W charger
Compliant Standards - TUV Rheinland Low Blue Light Certification
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