In depth comparison and review of CUBOT J3 and Xiaomi MI A3. 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.
| DESIGN AND DIMENSIONS | CUBOT J3 | Xiaomi MI A3 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 141.4 mm | 153.48 mm | Xiaomi MI A3 has greater height than CUBOT J3. |
| Width | 66.3 mm | 71.85 mm | Xiaomi MI A3 has greater width than CUBOT J3. |
| Depth | 8.8 mm | 8.475 mm | Xiaomi MI A3 is narrower than CUBOT J3. |
| Weight | - | 173.8 g | |
| Body Colour | Blue | Kind of grey | |
| Body Material | - | Corning Gorilla Glass 5 | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 2.34 W/kg (limb), 1.097 W/kg (body), 0.301 W/kg (head) | |
| Connector Type | Micro-USB - 5 pin Micro-USB Type B | 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 | CUBOT J3 | Xiaomi MI A3 |
|---|
| Display Type | LCD display | OLED display | |
|---|---|---|---|
| Display Technology | - | AMOLED | |
| Screen Size (Display Size) | 5" | 6.088" | Xiaomi MI A3 has larger screen size than CUBOT J3. |
| Screen Resolution (Display Resolution) | 960 x 480 pixels | 1560 x 720 pixels | Xiaomi MI A3 has better screen resolution than CUBOT J3. |
| Display Format | - | HD+ | |
| Pixel Density | 215 ppi | - | |
| Aspect Ratio | 18:9 | 19.5:9 | |
| Max Brightness | 430 cd/m² | - | |
| Colour Depth | 16.7 million colours | - | |
| Contrast Ratio | 1000:1 | 60000:1 | Xiaomi MI A3 has better display contrast ratio than CUBOT J3. |
| Display Features | 2.5D Glass | 2.5D Glass, Dot Drop display | |
| Display Protection (Screen Protector) | - | Corning Gorilla Glass 5 (scratch resistant glass) |
| PROCESSOR | CUBOT J3 | Xiaomi MI A3 |
|---|
| Processor Type (CPU) | MediaTek | Qualcomm Snapdragon 665 | |
|---|---|---|---|
| Processor Number | MT6580 | - | |
| Clock Speed | 1.3 GHz | 2 GHz | Xiaomi MI A3 has higher clock speed than CUBOT J3. |
| Processor Core Qty | Quad-core | 8-core | Xiaomi MI A3 has higher processor core quantity than CUBOT J3. |
| 64-bit Architecture | Yes | - | CUBOT J3 has 64-bit architecture. |
| Graphics System (GPU) | ARM Mali-400 MP2 | Qualcomm ADRENO 610 |
| MEMORY | CUBOT J3 | Xiaomi MI A3 |
|---|
| RAM | 1 GB | LPDDR4X SDRAM - 4 GB | Xiaomi MI A3 has more RAM than CUBOT J3. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Xiaomi MI A3 has more internal memory than CUBOT J3. |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 64 GB | Up to 256 GB |
| CAMERA | CUBOT J3 | Xiaomi MI A3 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 3 | |
|---|---|---|---|
| Sensor Resolution | 8 Megapixel | 48 Megapixel | Xiaomi MI A3 has better camera resolution than CUBOT J3. |
| Sensor Size | - | 1/2" | |
| Lens Aperture | - | F/1.79 | |
| Lens Construction | - | 6-element | |
| Pixel Size | - | 1.6 μm | |
| Focus Adjustment | Automatic | Automatic | |
| Camera Modes | - | AI portrait mode | |
| Light Source | LED flash | Flash | |
| 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 | |
| Camera Features (Functions) | - | Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), 4-in-1 Super Pixel, AI scene detection, AI Triple camera, 27 different scenes |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | - | 8 Megapixel | |
|---|---|---|---|
| Lens Type (2nd Camera) | - | Ultra wide-angle lens | |
| Lens Aperture (2nd Camera) | - | F/2.2 | |
| Field of View (2nd Camera) | - | 118 degree(s) |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | - | 2 Megapixel | |
|---|---|---|---|
| Camera Functions (3rd Camera) | - | Depth camera |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 32 Megapixel | Xiaomi MI A3 has better front camera resolution than CUBOT J3. |
| Lens Aperture (Front) | - | F/2.0 | |
| Lens Element Qty (Front) | - | 5-element | |
| Field of View (Front) | - | 79 degree(s) | |
| Pixel Size (Front) | - | 1.6 μm | |
| Focus Adjustment | Focus free | Focus free | |
| Camera Modes (Front) | - | Selfie panorama, AI portrait mode, AI Beautify | |
| Video Resolutions (Front) | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps | |
| Camera Features (Front) | - | 4-in-1 Super Pixel technology, AI scene detection, 12 different scenes, AI Selfie, Palm shutter, AI face unlock |
| BATTERY AND CHARGING | CUBOT J3 | Xiaomi MI A3 |
|---|
| Battery Capacity (Battery Size) | 2000 mAh | 4030 mAh | Xiaomi MI A3 has larger battery capacity than CUBOT J3. |
|---|---|---|---|
| Fast Charging Technology | - | Qualcomm Quick Charge 3.0 | Xiaomi MI A3 has fast charging technology. |
| 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 | CUBOT J3 | Xiaomi MI A3 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | Xiaomi MI A3 has more advanced generation mobile network. |
| Operating System | Android Go | - | |
| Intelligent Assistant | - | Google Assistant | |
| Navigation | GPS, A-GPS | GPS, A-GPS, GLONASS, BeiDou |
| COMMUNICATIONS | CUBOT J3 | Xiaomi MI A3 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA | GPRS, EDGE, HSDPA, HSUPA, HSPA+, 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 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 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 802.11b/g/n | Infrared (IrDA), IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | CUBOT J3 | Xiaomi MI A3 |
|---|
| Supported Digital Audio Standards | AAC, MP3, OGG, M4A, MID, 3GP | WAV, AAC, PCM, MP3, FLAC, AAC +, eAAC+, AMR-WB, AMR-NB | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, FLV, AVI, 3GP, F4V, MP4 | MKV, XviD, H.264, M4V, MPEG4-ASP, MPEG-4 SP, MP4 |
| FEATURES | CUBOT J3 | Xiaomi MI A3 |
|---|
| 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 | Ambient light sensor, G-sensor, distance sensor | Accelerometer, ambient light sensor, proximity sensor, digital compass, gyro sensor, vibration sensor | |
| Security Devices | Face recognition | Fingerprint reader (under display) | |
| Additional Phone Features | - | AI face unlock |
| OTHERS | CUBOT J3 | Xiaomi MI A3 |
|---|
| Included Accessories | USB cable, power adapter, protective case | Power adapter, SIM card removal tool, USB-C cable, soft case |
|---|
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