Xiaomi Redmi Note 4x vs. Xiaomi MI 9 SE

Phone Comparison, Reviews and Tests

In depth comparison and review of Xiaomi Redmi Note 4x 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 Redmi Note 4x vs. Xiaomi MI 9 SE Comparison Chart
DESIGN AND DIMENSIONS Xiaomi Redmi Note 4x Xiaomi MI 9 SE
Product Type Smartphone Smartphone
Form Factor Touch Touch
Height 151 mm 147.5 mm Xiaomi Redmi Note 4x has greater height than Xiaomi MI 9 SE.
Width 76 mm 70.5 mm Xiaomi Redmi Note 4x has greater width than Xiaomi MI 9 SE.
Depth 8.45 mm 7.45 mm Xiaomi MI 9 SE is narrower than Xiaomi Redmi Note 4x.
Weight 165 g 155 g Xiaomi MI 9 SE is lighter than Xiaomi Redmi Note 4x.
Body Colour Platinum silver grey Ocean blue | Piano black
Body Material Metal Glass
Waterproof (Water-resistant) - -
SAR Value 0.674 W/kg (body), 0.724 W/kg (head) 1.385 W/kg (body), 1.385 W/kg (head)
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 Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details Micro SIM + nano SIM/microSD -
DISPLAY Xiaomi Redmi Note 4x Xiaomi MI 9 SE
Display Type - OLED display
Display Technology - AMOLED
Screen Size (Display Size) 5.5" 5.97" Xiaomi MI 9 SE has larger screen size than Xiaomi Redmi Note 4x.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2340 x 1080 pixels Xiaomi MI 9 SE has better screen resolution than Xiaomi Redmi Note 4x.
Display Format Full HD Full HD+
Pixel Density 403 ppi 432 ppi Xiaomi MI 9 SE has better pixel density than Xiaomi Redmi Note 4x.
Max Brightness 450 cd/m² 600 cd/m² Xiaomi MI 9 SE has better display brightness than Xiaomi Redmi Note 4x.
Contrast Ratio 1000:1 60000:1 Xiaomi MI 9 SE has better display contrast ratio than Xiaomi Redmi Note 4x.
HDR - Yes Xiaomi MI 9 SE has HDR.
HDR Technology - HDR10
Display Enhancement Technology - Sunshine mode 2.0
Display Features 2.5D Glass, Eye protection mode, Colour temperature adjustment Always-on display, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG), 256 ranks adjustable Reading mode
Display Protection (Screen Protector) - Corning Gorilla Glass 5 (scratch resistant glass), fingerprint-resistant coating, oil protective coating
PROCESSOR Xiaomi Redmi Note 4x Xiaomi MI 9 SE
Processor Type (CPU) Qualcomm Snapdragon 625 Qualcomm Snapdragon 712
Clock Speed 2 GHz 2.3 GHz Xiaomi MI 9 SE has higher clock speed than Xiaomi Redmi Note 4x.
Processor Core Qty - 8-core
64-bit Architecture - Yes Xiaomi MI 9 SE has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 506 Qualcomm ADRENO 616
MEMORY Xiaomi Redmi Note 4x Xiaomi MI 9 SE
RAM 3 GB LPDDR4X SDRAM - 6 GB Xiaomi MI 9 SE has more RAM than Xiaomi Redmi Note 4x.
Internal Memory Size (Storage Capacity) 32 GB 64 GB Xiaomi MI 9 SE has more internal memory than Xiaomi Redmi Note 4x.
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 128 GB -
CAMERA Xiaomi Redmi Note 4x 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 Redmi Note 4x.
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 Redmi Note 4x.
Lens Construction 5-element -
Focus Adjustment Automatic Automatic
Laser Auto Focus - Yes
Optical Zoom - 2x
Digital Zoom - 10x
Special Effects HDR HDR
Camera Modes Burst mode, Panorama, low-light shots 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 Face recognition Both phones have face detection.
Light Source Dual LED flash Dual flash
Video Resolutions 1920 x 1080 (1080p), 1280 x 720 (720p), Slo-mo video 1280 x 720 (720p) at 120 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) Phase Detect Auto-Focus (PDAF) 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 Redmi Note 4x.
Lens Type (Front) Wide-angle lens -
Lens Aperture (Front) F/2.0 -
Special Effects (Front) - HDR, Magic mirror
Camera Modes (Front) Real time beauty mode, Beautify with 36 smart beauty profiles AI portrait mode, AI Beautify, AI makeup
Face Recognition (Face ID) Face recognition Face recognition Both phones have face detection.
Camera Features (Front) Selfie countdown Self-timer, age recognition, Video Beautify, AI scene detection, AI studio lighting, Eye light, AI feature adjustment, AI lens flare
BATTERY AND CHARGING Xiaomi Redmi Note 4x Xiaomi MI 9 SE
Battery Capacity (Battery Size) 4100 mAh 3070 mAh Xiaomi Redmi Note 4x 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.
Standby Time 264 hours -
Talk Time 3060 minutes -
Run Time Details Talk (2G): up to 3060 min
Playback (video): up to 18 hrs
Gaming: up to 15 hrs
Standby (4G): up to 264 hrs
Playback (audio): up to 162 hrs
Reading: up to 22 hrs
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CELLULAR Xiaomi Redmi Note 4x Xiaomi MI 9 SE
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 4G Both phones have the same mobile network generation.
User Interface MIUI 8 MIUI 10
Intelligent Assistant - Google Assistant
Payment Technology - Google Pay
Navigation GPS, A-GPS, GLONASS, BeiDou GPS, A-GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS Xiaomi Redmi Note 4x Xiaomi MI 9 SE
Data Transmission GPRS, EDGE, EV-DO, 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
3G UMTS Band Band 1, Band 2, Band 5, Band 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 850, 900 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, Band 5, 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 2100, FDD 1800+, FDD 850, 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 Infrared (IrDA), IEEE 802.11b/g/n IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 4.2 Bluetooth 5.0
Bluetooth Profiles HID -
NFC - Yes Xiaomi MI 9 SE has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA Xiaomi Redmi Note 4x Xiaomi MI 9 SE
Supported Digital Audio Standards WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), DSD, AMR-WB, AMR-NB 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 VC-1, XviD, MPEG-4, H.264, M4V, HEVC, H.265, ASP MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9, H.265, MP4
Sound Enhancements - Qualcomm TrueWireless Stereo Plus
FEATURES Xiaomi Redmi Note 4x Xiaomi MI 9 SE
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, gyro sensor, hall sensor, distance 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 Infrared remote control Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo
OTHERS Xiaomi Redmi Note 4x Xiaomi MI 9 SE
Included Accessories USB cable, power adapter, SIM card removal tool 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
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