Xiaomi MI 9 vs. Realme 6i

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 9 and Realme 6i. 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 9 vs. Realme 6i Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 9 Realme 6i
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 157.5 mm 164.4 mm Realme 6i has greater height than Xiaomi MI 9.
Width 74.67 mm 75.4 mm Realme 6i has greater width than Xiaomi MI 9.
Depth 7.61 mm 9 mm Xiaomi MI 9 is narrower than Xiaomi MI 9.
Weight 173 g 199 g Xiaomi MI 9 is lighter than Xiaomi MI 9.
Body Colour Ocean blue | Piano black Milk white
Body Material Curved glass -
Waterproof (Water-resistant) - -
SAR Value 1.301 W/kg (body), 1.389 W/kg (head) 0.59 W/kg (body), 1.14 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 Dual-SIM
DISPLAY Xiaomi MI 9 Realme 6i
Display Type OLED display -
Display Technology AMOLED -
Screen Size (Display Size) 6.39" 6.5" Realme 6i has larger screen size than Xiaomi MI 9.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 1600 x 720 pixels Xiaomi MI 9 has better screen resolution than Realme 6i.
Display Format Full HD+ HD+
Pixel Density 403 ppi -
Aspect Ratio - 20:9
Max Brightness 600 cd/m² -
Contrast Ratio 60000:1 -
HDR Yes - Xiaomi MI 9 has HDR.
HDR Technology HDR10 -
Display Enhancement Technology Sunshine mode 2.0 -
Display Features Always-on display, Reading mode, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG) Eye Care, Mini-drop display
Display Protection (Screen Protector) Fingerprint-resistant coating, Corning Gorilla Glass 6 (scratch resistant glass), oil protective coating Corning Gorilla Glass 3 (scratch resistant glass)
PROCESSOR Xiaomi MI 9 Realme 6i
Processor Type (CPU) Qualcomm Snapdragon 855 MediaTek Helio G80
Clock Speed 2.84 GHz 2 GHz Xiaomi MI 9 has higher clock speed than Realme 6i.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - Xiaomi MI 9 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 Mali-G52
MEMORY Xiaomi MI 9 Realme 6i
RAM LPDDR4X SDRAM - 6 GB LPDDR4X SDRAM - 4 GB Xiaomi MI 9 has more RAM than Realme 6i.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Realme 6i has more internal memory than Xiaomi MI 9.
Supported Flash Memory Cards (Expandable Memory) - microSD
CAMERA Xiaomi MI 9 Realme 6i
MAIN CAMERA
Number of Main Cameras 3 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Type Ultra wide-angle lens -
Lens Aperture F/1.75 F/1.8 Xiaomi MI 9 has better lens aperture than Xiaomi MI 9.
Pixel Size 0.8 μm -
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Optical Zoom 2x -
Digital Zoom 10x -
Special Effects HDR -
Camera Modes Burst mode, Panorama, portrait mode, AI Beautify, Smart ultra-wide angle mode, Ultra nightscape mode, Photo timer, Level display, Custom watermark, Full body portrait mode, Moon mode -
Face Recognition (Face ID) Face recognition - Xiaomi MI 9 has face detection.
Light Source Dual flash LED 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, Slo-mo video 1920 x 1080 (1080p) at 240 fps, Slo-mo video 1920 x 1080 (1080p) at 960 fps, Slo-mo video 1280 x 720 (720p) at 960 fps 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps
Camera Features (Functions) Sapphire crystal lens cover, Phase Detect Auto-Focus (PDAF), Dynamic photos, video stabilisation, Contrast Auto-Focus, AI scene detection, AI studio lighting, Video Beautify, AI Triple camera, 960 fps Smart audio pairing, AI lens flare, AI high resolution photos, Portrait mode background blur adjustment, Ultra wide-angle edge distortion correction, Group photo face correction, Portrait mode background blurring, Motion tracking, Quick motion AI Quad camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 8 Megapixel Xiaomi MI 9 has better second camera resolution than Realme 6i.
Lens Type (2nd Camera) Telephoto lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.3 Xiaomi MI 9 has better second camera lens aperture than Xiaomi MI 9.
Field of View (2nd Camera) - 119 degree(s)
Pixel Size (2nd Camera) 1 μm -
Camera Features (2nd Camera) Macro photography -
THIRD CAMERA
Sensor Resolution (3rd Camera) 16 Megapixel -
Lens Type (3rd Camera) Ultra wide-angle lens -
Lens Aperture (3rd Camera) F/2.2 F/2.4 Xiaomi MI 9 has better third camera lens aperture than Xiaomi MI 9.
Pixel Size (3rd Camera) 1 μm -
Camera Functions (3rd Camera) - Potrait camera
Camera Features (3rd Camera) - B&W Portrait lens
FOURTH CAMERA
Sensor Resolution (4th Camera) - 2 Megapixel
Lens Aperture (4th Camera) - F/2.4
Camera Functions (4th Camera) - Macro camera
Camera Features (4th Camera) - 4cm macro photography
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 20 Megapixel 16 Megapixel Xiaomi MI 9 has better front camera resolution than Realme 6i.
Lens Aperture (Front) F/2.0 F/2.0 Both phones have the same front camera lens aperture.
Pixel Size (Front) 0.9 μm -
Special Effects (Front) HDR, Magic mirror -
Camera Modes (Front) AI portrait mode, AI Beautify, AI makeup AI Beauty
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
Camera Features (Front) Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare -
BATTERY AND CHARGING Xiaomi MI 9 Realme 6i
Battery Capacity (Battery Size) 3300 mAh 5000 mAh Realme 6i has larger battery capacity than Xiaomi MI 9.
Fast Charging Technology Qualcomm Quick Charge 4.0+ - Xiaomi MI 9 has fast charging technology.
Wireless Charging Standards WPC, Qi -
Standby Time - 936 hours
Talk Time - 1758 minutes
Run Time Details - Standby: up to 936 hrs
Talk: up to 1758 min
Playback (Music): up to 54.7 hrs
Continuous viewing (YouTube): up to 20.6 hrs
Continuous viewing (Instagram): up to 19.7 hrs
CELLULAR Xiaomi MI 9 Realme 6i
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System - Android 10
User Interface MIUI 10 Realme UI
Intelligent Assistant Google Assistant -
Payment Technology Android Pay -
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, GLONASS, BeiDou
COMMUNICATIONS Xiaomi MI 9 Realme 6i
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE
2G Band - 850 GSM, 900 GSM, 1800 GSM, 1900 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 12, Band 20, Band 28, Band 38, Band 39, Band 40 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 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300 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
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11b/g/n
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
WLAN Security WPA3 -
Messaging Services SMS, MMS -
MEDIA Xiaomi MI 9 Realme 6i
Supported Digital Audio Standards WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD -
Supported Digital Video Standards MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9 -
Sound Enhancements Qualcomm TrueWireless Stereo Plus -
FEATURES Xiaomi MI 9 Realme 6i
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor Accelerometer, ambient light sensor, proximity sensor, magnetometer, gyro sensor
Security Devices Fingerprint reader (under display) -
Additional Phone Features Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo -
OTHERS Xiaomi MI 9 Realme 6i
Included Accessories Protective cover, SIM card removal tool, USB-C cable, USB-C audio adapter, 18W QC3.0 charger SIM card removal tool, USB-C cable, protective case, 18W charger, protective film
Compliant Standards TUV Rheinland Certified Safe Fast-Charge System -
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