Xiaomi MI Mix 3 5G vs. Xiaomi POCO X3 NFC

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI Mix 3 5G and Xiaomi POCO X3 NFC. 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 POCO X3 NFC Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI Mix 3 5G Xiaomi POCO X3 NFC
Product Type Smartphone Smartphone
Form Factor Touch slider Touch
Height 157.89 mm 165.3 mm Xiaomi POCO X3 NFC has greater height than Xiaomi MI Mix 3 5G.
Width 74.69 mm 76.8 mm Xiaomi POCO X3 NFC has greater width than Xiaomi MI Mix 3 5G.
Depth 8.46 mm 9.4 mm Xiaomi MI Mix 3 5G is narrower than Xiaomi MI Mix 3 5G.
Weight 225 g 215 g Xiaomi POCO X3 NFC is lighter than Xiaomi MI Mix 3 5G.
Body Colour Sapphire blue | Onyx black Cobalt blue | Shadow grey
Protection - Splashproof
Waterproof (Water-resistant) - -
IP rating - IP53
SAR Value 1.577 W/kg (body), 1.557 W/kg (head) 0.558 W/kg (head), 0.986 W/kg (body), 1.997 W/kg (limb)
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
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY Xiaomi MI Mix 3 5G Xiaomi POCO X3 NFC
Display Type OLED display -
Display Technology AMOLED -
Screen Size (Display Size) 6.39" 6.67" Xiaomi POCO X3 NFC has larger screen size than Xiaomi MI Mix 3 5G.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Xiaomi POCO X3 NFC has better screen resolution than Xiaomi MI Mix 3 5G.
Display Format Full HD+ Full HD+
Pixel Density 403 ppi 395 ppi Xiaomi MI Mix 3 5G has better pixel density than Xiaomi POCO X3 NFC.
Aspect Ratio 19.5:9 20:9
Max Brightness 600 cd/m² -
Contrast Ratio 60000:1 1500:1 Xiaomi MI Mix 3 5G has better display contrast ratio than Xiaomi POCO X3 NFC.
HDR Yes Yes Both phones have HDR.
HDR Technology - HDR10
Display Enhancement Technology Sunlight mode -
Display Refresh Rate - 120 Hz
Touch Sampling Rate - 240 Hz
Display Features Always-on display, Reading mode, Colour temperature adjustment, night mode Dark mode, Dot Display
Display Protection (Screen Protector) - Corning Gorilla Glass 5 (scratch resistant glass)
PROCESSOR Xiaomi MI Mix 3 5G Xiaomi POCO X3 NFC
Processor Type (CPU) Qualcomm Snapdragon 855 Qualcomm Snapdragon 732G
Clock Speed 2.84 GHz 2.3 GHz Xiaomi MI Mix 3 5G has higher clock speed than Xiaomi POCO X3 NFC.
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 POCO X3 NFC
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 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 POCO X3 NFC.
Memory Interface UFS 2.1 UFS 2.1
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 256 GB
CAMERA Xiaomi MI Mix 3 5G Xiaomi POCO X3 NFC
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 12 Megapixel 64 Megapixel Xiaomi POCO X3 NFC has better camera resolution than Xiaomi MI Mix 3 5G.
Sensor Size - 1/1.73"
Sensor Name Sony Exmor RS IMX363 sensor Sony Exmor RS IMX682 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.
Pixel Size 1.4 μm 1.6 μm Xiaomi POCO X3 NFC has larger camera pixel size than Xiaomi MI Mix 3 5G.
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 Kaleidoscope
Camera Modes Panorama, Nightscape capture mode, Personalized AI Beautify Pro mode, night mode, SteadyShot, AI portrait mode, AI Beautify, Pro Video mode, Macro video, Movie frame, photo filters, AI SkyScaping 3.0, AI photo clones, Timed burst, Document mode 2.0
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix 3 5G has face detection.
Light Source Flash 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, 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, AI Quad camera, Support LOG format, 6 long exposure modes, AI dynamic studio
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 13 Megapixel Xiaomi POCO X3 NFC 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) - 119 degree(s)
Pixel Size (2nd Camera) 1 μm -
THIRD CAMERA
Sensor Resolution (3rd Camera) - 2 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Pixel Size (3rd Camera) - 1.75 μm
Camera Functions (3rd Camera) - Macro camera
Camera Features (3rd Camera) - FF (4cm)
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
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 20 Megapixel Xiaomi MI Mix 3 5G has better front camera resolution than Xiaomi POCO X3 NFC.
Sensor Name (Front) Sony Exmor RS IMX576 sensor -
Lens Aperture (Front) - F/2.2
Pixel Size (Front) 1.8 μm 1.6 μm Xiaomi MI Mix 3 5G has larger front camera pixel size than Xiaomi POCO X3 NFC.
Special Effects (Front) Magic mirror HDR
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Bokeh Mode, AI Beautify, AI makeup Selfie panorama, portrait mode, AI Beautify, Short video mode
Face Recognition (Face ID) Face recognition - Xiaomi MI Mix 3 5G has 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 Self-timer, 4-in-1 Super Pixel technology, AI scene detection, AI studio lighting, Palm shutter, full screen frame, Short video filter
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 POCO X3 NFC
Battery Capacity (Battery Size) 3800 mAh 5160 mAh Xiaomi POCO X3 NFC has larger battery capacity than Xiaomi MI Mix 3 5G.
Fast Charging Technology Qualcomm Quick Charge 4.0+ - Xiaomi MI Mix 3 5G has fast charging technology.
Run Time Details - Playback (video): up to 17 hrs
Gaming: up to 10 hrs
Playback (Music): up to 153 hrs
CELLULAR Xiaomi MI Mix 3 5G Xiaomi POCO X3 NFC
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 - POCO Launcher 2.0 (MIUI12)
Payment Technology - Google Pay
Navigation GPS, GLONASS, BeiDou, Galileo, QZSS GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi MI Mix 3 5G Xiaomi POCO X3 NFC
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 -
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 Wi-Fi
Bluetooth Bluetooth 5.0 Bluetooth 5.1
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 POCO X3 NFC
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, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), M4A, DSF, AWB
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP MKV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements - Hi-Res audio
FEATURES Xiaomi MI Mix 3 5G Xiaomi POCO X3 NFC
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 Face recognition, fingerprint reader (side)
Additional Phone Features MIMO technology, MU-MIMO technology Infrared remote control, MIMO technology, AI face unlock, Google Lens, linear motor, Qualcomm 4th generation AI Engine, LiquidCool Technology 1.0 Plus, GAME Turbo 3.0
OTHERS Xiaomi MI Mix 3 5G Xiaomi POCO X3 NFC
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, USB-C cable, 33W charger, anti-bacterial case, anti-bacterial screen protector
Compliant Standards - IP53, TUV Rheinland Low Blue Light Certification
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