Side by side comparison and review of Xiaomi MI 9 and CUBOT J3. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Xiaomi MI 9 | CUBOT J3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 157.5 mm | 141.4 mm | Xiaomi MI 9 has greater height than CUBOT J3. |
| Width | 74.67 mm | 66.3 mm | Xiaomi MI 9 has greater width than CUBOT J3. |
| Depth | 7.61 mm | 8.8 mm | Xiaomi MI 9 is narrower than Xiaomi MI 9. |
| Weight | 173 g | - | |
| Body Colour | Ocean blue | Piano black | Blue | |
| Body Material | Curved glass | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 1.301 W/kg (body), 1.389 W/kg (head) | - | |
| Connector Type | USB Type-C - 24 pin USB-C | Micro-USB - 5 pin Micro-USB Type B | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Xiaomi MI 9 | CUBOT J3 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | AMOLED | - | |
| Screen Size (Display Size) | 6.39" | 5" | Xiaomi MI 9 has larger screen size than CUBOT J3. |
| Screen Resolution (Display Resolution) | 2340 x 1080 pixels | 960 x 480 pixels | Xiaomi MI 9 has better screen resolution than CUBOT J3. |
| Display Format | Full HD+ | - | |
| Pixel Density | 403 ppi | 215 ppi | Xiaomi MI 9 has better pixel density than CUBOT J3. |
| Aspect Ratio | - | 18:9 | |
| Max Brightness | 600 cd/m² | 430 cd/m² | Xiaomi MI 9 has better display brightness than CUBOT J3. |
| Colour Depth | - | 16.7 million colours | |
| Contrast Ratio | 60000:1 | 1000:1 | Xiaomi MI 9 has better display contrast ratio than CUBOT J3. |
| 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) | 2.5D Glass | |
| Display Protection (Screen Protector) | Fingerprint-resistant coating, Corning Gorilla Glass 6 (scratch resistant glass), oil protective coating | - |
| PROCESSOR | Xiaomi MI 9 | CUBOT J3 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 855 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6580 | |
| Clock Speed | 2.84 GHz | 1.3 GHz | Xiaomi MI 9 has higher clock speed than CUBOT J3. |
| Processor Core Qty | 8-core | Quad-core | Xiaomi MI 9 has higher processor core quantity than CUBOT J3. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 640 | ARM Mali-400 MP2 |
| MEMORY | Xiaomi MI 9 | CUBOT J3 |
|---|
| RAM | LPDDR4X SDRAM - 6 GB | 1 GB | Xiaomi MI 9 has more RAM than CUBOT J3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 16 GB | Xiaomi MI 9 has more internal memory than CUBOT J3. |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSDXC - up to 64 GB |
| CAMERA | Xiaomi MI 9 | CUBOT J3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 1 | |
|---|---|---|---|
| Sensor Resolution | 48 Megapixel | 8 Megapixel | Xiaomi MI 9 has better camera resolution than CUBOT J3. |
| Sensor Name | Sony Exmor RS IMX586 sensor | - | |
| Lens Type | Ultra wide-angle lens | - | |
| Lens Aperture | F/1.75 | - | |
| 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 | - | |
| 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 | - | |
|---|---|---|---|
| Lens Type (2nd Camera) | Telephoto lens | - | |
| Lens Aperture (2nd Camera) | F/2.2 | - | |
| 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 | - | |
| Pixel Size (3rd Camera) | 1 μm | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 20 Megapixel | 5 Megapixel | Xiaomi MI 9 has better front camera resolution than CUBOT J3. |
| Lens Aperture (Front) | F/2.0 | - | |
| Pixel Size (Front) | 0.9 μm | - | |
| Focus Adjustment | - | Focus free | |
| 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 has 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 | CUBOT J3 |
|---|
| Battery Capacity (Battery Size) | 3300 mAh | 2000 mAh | Xiaomi MI 9 has larger battery capacity than CUBOT J3. |
|---|---|---|---|
| Fast Charging Technology | Qualcomm Quick Charge 4.0+ | - | Xiaomi MI 9 has fast charging technology. |
| Wireless Charging Standards | WPC, Qi | - | |
| Standby Time | - | 168 hours | |
| Run Time Details | - | Standby: up to 168 hrs Playback (audio): up to 15 hrs Continuous browsing: up to 10 hrs Reading (book): up to 13 hrs |
| CELLULAR | Xiaomi MI 9 | CUBOT J3 |
|---|
| Technology | CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 3G | Xiaomi MI 9 has more advanced generation mobile network. |
| Operating System | - | Android Go | |
| User Interface | MIUI 10 | - | |
| Intelligent Assistant | Google Assistant | - | |
| Payment Technology | Android Pay | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou, Galileo | GPS, A-GPS |
| COMMUNICATIONS | Xiaomi MI 9 | CUBOT J3 |
|---|
| Data Transmission | GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE | GPRS, EDGE, HSDPA | |
|---|---|---|---|
| 2G Band | - | 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 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 | - | |
| 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 | - | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.0 | |
| NFC | Yes | - | Xiaomi MI 9 has NFC reader for mobile payments. |
| WLAN Security | WPA3 | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Xiaomi MI 9 | CUBOT J3 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, apt-X, LDAC, apt-X HD | AAC, MP3, OGG, M4A, MID, 3GP | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, XviD, MPEG-4, H.264, M4V, HEVC, VP8, VP9 | MKV, FLV, AVI, 3GP, F4V, MP4 | |
| Sound Enhancements | Qualcomm TrueWireless Stereo Plus | - |
| FEATURES | Xiaomi MI 9 | CUBOT J3 |
|---|
| 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 | Ambient light sensor, G-sensor, distance sensor | |
| Security Devices | Fingerprint reader (under display) | Face recognition | |
| Additional Phone Features | Infrared remote control, MIMO technology, MU-MIMO technology, MI Turbo, GAME Turbo | - |
| OTHERS | Xiaomi MI 9 | CUBOT J3 |
|---|
| Included Accessories | Protective cover, SIM card removal tool, USB-C cable, USB-C audio adapter, 18W QC3.0 charger | USB cable, power adapter, protective case | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland Certified Safe Fast-Charge System | - |
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