Xiaomi MI 4i vs. Xiaomi MI 9 SE

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi MI 4i and Xiaomi MI 9 SE. 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 4i vs. Xiaomi MI 9 SE Comparison Chart
DESIGN AND DIMENSIONS Xiaomi MI 4i Xiaomi MI 9 SE
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 138.1 mm 147.5 mm Xiaomi MI 9 SE has greater height than Xiaomi MI 4i.
Width 69.6 mm 70.5 mm Xiaomi MI 9 SE has greater width than Xiaomi MI 4i.
Depth 7.8 mm 7.45 mm Xiaomi MI 9 SE is narrower than Xiaomi MI 4i.
Weight 130 g 155 g Xiaomi MI 4i is lighter than Xiaomi MI 4i.
Body Colour Black | Dark grey | White Ocean blue | Piano black
Body Material - Glass
Waterproof (Water-resistant) - -
SAR Value 1.29 W/kg 1.385 W/kg (body), 1.385 W/kg (head)
Integrated Components FM radio -
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Micro SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Xiaomi MI 4i Xiaomi MI 9 SE
Display Type LCD display OLED display
Display Technology IPS AMOLED
Screen Size (Display Size) 5" 5.97" Xiaomi MI 9 SE has larger screen size than Xiaomi MI 4i.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels Xiaomi MI 9 SE has better screen resolution than Xiaomi MI 4i.
Display Format Full HD Full HD+
Pixel Density 441 ppi 432 ppi Xiaomi MI 4i has better pixel density than Xiaomi MI 9 SE.
Max Brightness - 600 cd/m²
Colour Depth 16.7 million colours -
Contrast Ratio - 60000:1
HDR - Yes Xiaomi MI 9 SE has HDR.
HDR Technology - HDR10
Display Enhancement Technology - Sunshine mode 2.0
Display Features - Always-on display, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode
Display Protection (Screen Protector) Corning Concore Glass Corning Gorilla Glass 5 (scratch resistant glass), fingerprint-resistant coating, oil protective coating
PROCESSOR Xiaomi MI 4i Xiaomi MI 9 SE
Processor Type (CPU) Qualcomm Snapdragon 615 Qualcomm Snapdragon 712
Clock Speed 1.7 GHz 2.3 GHz Xiaomi MI 9 SE has higher clock speed than Xiaomi MI 4i.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 405 Qualcomm ADRENO 616
MEMORY Xiaomi MI 4i Xiaomi MI 9 SE
RAM 2 GB LPDDR4X SDRAM - 6 GB Xiaomi MI 9 SE has more RAM than Xiaomi MI 4i.
Internal Memory Size (Storage Capacity) 16 GB 64 GB Xiaomi MI 9 SE has more internal memory than Xiaomi MI 4i.
CAMERA Xiaomi MI 4i Xiaomi MI 9 SE
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 13 Megapixel 48 Megapixel Xiaomi MI 9 SE has better camera resolution than Xiaomi MI 4i.
Sensor Name - Sony Exmor RS IMX586 sensor
Lens Type - Wide-angle lens
Lens Aperture F/2.0 F/1.75 Xiaomi MI 9 SE has better lens aperture than Xiaomi MI 4i.
Lens Construction 5-element -
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Optical Zoom - 2x
Digital Zoom - 10x
Special Effects - HDR
HDR Mode Auto HDR mode -
Camera Modes Panorama, manual mode 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 detection, smile detection Face recognition Both phones have face detection.
Light Source Dual LED flash Dual flash
Video Resolutions 1920 x 1080 (1080p) 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) - 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
SECOND CAMERA
Sensor Resolution (2nd Camera) - 13 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.4
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 8 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.4
Pixel Size (3rd Camera) - 1 μm
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 20 Megapixel Xiaomi MI 9 SE has better front camera resolution than Xiaomi MI 4i.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/1.8 -
Lens Element Qty (Front) 5-element -
Special Effects (Front) - HDR, Magic mirror
Camera Modes (Front) - AI portrait mode, AI Beautify, AI makeup
Face Recognition (Face ID) - Face recognition Xiaomi MI 9 SE has face detection.
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 4i Xiaomi MI 9 SE
Battery Capacity (Battery Size) 3120 mAh 3070 mAh Xiaomi MI 4i has larger battery capacity than Xiaomi MI 9 SE.
Fast Charging Technology - Qualcomm Quick Charge 4.0+ Xiaomi MI 9 SE has fast charging technology.
Talk Time 2100 minutes -
Run Time Details Talk (WCDMA): up to 2100 min -
Battery Technology Lithium Ion -
CELLULAR Xiaomi MI 4i Xiaomi MI 9 SE
Technology TD-SCDMA / WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
Operating System Android 5.0.2 (Lollipop) -
User Interface MIUI V6 MIUI 10
Intelligent Assistant - Google Assistant
Payment Technology - Google Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi MI 4i Xiaomi MI 9 SE
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band Band 3, Band 7, 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
4G LTE Frequency FDD 1800+, FDD 2600, 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
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.1 Bluetooth 5.0
Bluetooth Profiles A2DP, HID -
NFC - Yes Xiaomi MI 9 SE has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi MI 4i Xiaomi MI 9 SE
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ WAV, AAC, AMR, MP3, FLAC, eAAC+, APE (Monkey's Audio), apt-X, LDAC, AMR-WB, AMR-NB, M4V, apt-X HD
Supported Digital Video Standards XviD, MPEG-4, DivX, H.264 MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9, H.265, MP4
Sound Enhancements - Qualcomm TrueWireless Stereo Plus
FEATURES Xiaomi MI 4i Xiaomi MI 9 SE
Phone Functions Speakerphone, call timer, conference call, flight mode, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, hall sensor Accelerometer, ambient light sensor, digital compass, gyro sensor, ultrasonic proximity sensor, linear rotation vector sensor
Security Devices - Fingerprint reader (under display)
Additional Phone Features MIMO technology, Active noise-cancellation Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo
OTHERS Xiaomi MI 4i Xiaomi MI 9 SE
Included Accessories Power adapter Protective cover, power adapter, SIM card removal tool, USB-C cable, USB-C to 3.5 jack audio cable
Compliant Standards - TUV Rheinland Certified Safe Fast-Charge System
Other projects: