Detailed comparison and review of Xiaomi MI 9 and Xiaomi Redmi 9. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Xiaomi MI 9 | Xiaomi Redmi 9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 157.5 mm | 163.32 mm | Xiaomi Redmi 9 has greater height than Xiaomi MI 9. |
| Width | 74.67 mm | 77.01 mm | Xiaomi Redmi 9 has greater width than Xiaomi MI 9. |
| Depth | 7.61 mm | 9.1 mm | Xiaomi MI 9 is narrower than Xiaomi MI 9. |
| Weight | 173 g | 198 g | Xiaomi MI 9 is lighter than Xiaomi MI 9. |
| Body Colour | Ocean blue | Piano black | Carbon grey | |
| Body Material | Curved glass | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.301 W/kg (body), 1.389 W/kg (head) | 1.065 W/kg (body), 0.789 W/kg (head), 2.309 W/kg (limb) | |
| 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 | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI 9 | Xiaomi Redmi 9 |
|---|
| Display Type | OLED display | - | |
|---|---|---|---|
| Display Technology | AMOLED | - | |
| Screen Size (Display Size) | 6.39" | 6.53" | Xiaomi Redmi 9 has larger screen size than Xiaomi MI 9. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 2340 x 1080 pixels | Both phones have the same screen resolution. |
| Display Format | Full HD+ | Full HD+ | |
| Pixel Density | 403 ppi | 394 ppi | Xiaomi MI 9 has better pixel density than Xiaomi Redmi 9. |
| Aspect Ratio | - | 19.5:9 | |
| Max Brightness | 600 cd/m² | 400 cd/m² | Xiaomi MI 9 has better display brightness than Xiaomi Redmi 9. |
| Contrast Ratio | 60000:1 | 1500:1 | Xiaomi MI 9 has better display contrast ratio than Xiaomi Redmi 9. |
| HDR | Yes | - | Xiaomi MI 9 has HDR. |
| HDR Technology | HDR10 | - | |
| Display Enhancement Technology | Sunshine mode 2.0 | Sunlight mode | |
| Display Features | Always-on display, Reading mode, Colour temperature adjustment, night mode, Wide Colour Gamut (WCG) | Colour temperature adjustment, Dot Drop display, Reading mode 2.0 | |
| 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 | Xiaomi Redmi 9 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | MediaTek Helio G80 | |
|---|---|---|---|
| Clock Speed | 2.84 GHz | 2 GHz | Xiaomi MI 9 has higher clock speed than Xiaomi Redmi 9. |
| 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 640 | Mali-G52 MC2 |
| MEMORY | Xiaomi MI 9 | Xiaomi Redmi 9 |
|---|
| RAM | LPDDR4X SDRAM - 6 GB | LPDDR4X SDRAM - 4 GB | Xiaomi MI 9 has more RAM than Xiaomi Redmi 9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 64 GB | Both phones have the same internal memory capacity. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSD |
| CAMERA | Xiaomi MI 9 | Xiaomi Redmi 9 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 4 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 13 Megapixel | Xiaomi MI 9 has better camera resolution than Xiaomi Redmi 9. |
| Sensor Name | Sony Exmor RS IMX586 sensor | - | |
| Lens Type | Ultra wide-angle lens | Wide-angle lens | |
| Lens Aperture | F/1.75 | F/2.2 | Xiaomi MI 9 has better lens aperture than Xiaomi MI 9. |
| Field of View (FoV) | - | 75.2 degree(s) | |
| Pixel Size | 0.8 μm | - | |
| Focus Adjustment | Automatic | Automatic | |
| Laser Auto Focus | Yes | - | |
| Optical Zoom | 2x | - | |
| Digital Zoom | 10x | - | |
| Special Effects | HDR | HDR, Kaleidoscope | |
| 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 | Portrait mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 has face detection. |
| Light Source | Dual 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, 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 | - |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 12 Megapixel | 8 Megapixel | Xiaomi MI 9 has better second camera resolution than Xiaomi Redmi 9. |
|---|---|---|---|
| Lens Type (2nd Camera) | Telephoto lens | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | F/2.2 | F/2.2 | Both phones have the same second camera lens aperture. |
| Field of View (2nd Camera) | - | 118 degree(s) | |
| Pixel Size (2nd Camera) | 1 μm | - | |
| Camera Features (2nd Camera) | Macro photography | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 16 Megapixel | 5 Megapixel | Xiaomi MI 9 has higher resolution third camera than Xiaomi Redmi 9. |
|---|---|---|---|
| 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) | - | Macro camera |
| FOURTH CAMERA |
|---|
| Sensor Resolution (4th Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (4th Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 8 Megapixel | Xiaomi MI 9 has better front camera resolution than Xiaomi Redmi 9. |
| Lens Aperture (Front) | F/2.0 | F/2.0 | Both phones have the same front camera lens aperture. |
| Field of View (Front) | - | 77.8 degree(s) | |
| Pixel Size (Front) | 0.9 μm | - | |
| Focus Adjustment | - | Focus free | |
| Special Effects (Front) | HDR, Magic mirror | HDR | |
| Camera Modes (Front) | AI portrait mode, AI Beautify, AI makeup | Portrait mode | |
| Face Recognition (Face ID) | Face recognition | - | Xiaomi MI 9 has face detection. |
| Light Source (Front) | - | Display flash | |
| 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 | Self-timer, Palm shutter |
| BATTERY AND CHARGING | Xiaomi MI 9 | Xiaomi Redmi 9 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 5020 mAh | Xiaomi Redmi 9 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 | - | |
| Talk Time | - | 1860 minutes | |
| Run Time Details | - | Talk: up to 1860 min Continuous navigation: up to 19 hrs Playback (video): up to 19 hrs Playback (Music): up to 185 hrs |
| CELLULAR | Xiaomi MI 9 | Xiaomi Redmi 9 |
|---|
| 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 10 | - | |
| Intelligent Assistant | Google Assistant | - | |
| Payment Technology | Android Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | Xiaomi MI 9 | Xiaomi Redmi 9 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 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 | - | Xiaomi MI 9 has NFC reader for mobile payments. |
| WLAN Security | WPA3 | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI 9 | Xiaomi Redmi 9 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD | AAC, PCM, MP3, FLAC, AAC +, eAAC+, APE (Monkey's Audio), AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9 | MKV, H.264, ASP, MP4 | |
| Sound Enhancements | Qualcomm TrueWireless Stereo Plus | - |
| FEATURES | Xiaomi MI 9 | Xiaomi Redmi 9 |
|---|
| 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, ultrasonic proximity sensor, linear rotation vector sensor | Accelerometer, ambient light sensor, digital compass, distance sensor, infrared (IR) sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition, fingerprint reader | |
| Additional Phone Features | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | Fast Charging, AI face unlock |
| OTHERS | Xiaomi MI 9 | Xiaomi Redmi 9 |
|---|
| 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, TPU case, 10W charger | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Certified Safe Fast-Charge System | - |
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