In depth comparison and review of CUBOT J9 and Realme C31. 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 J9 | Realme C31 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | - | RMX3501 | |
| Form Factor | Touch | Touch | |
| Height | 156 mm | 164.7 mm | Realme C31 has greater height than CUBOT J9. |
| Width | 74.5 mm | 76.1 mm | Realme C31 has greater width than CUBOT J9. |
| Depth | 9.4 mm | 8.4 mm | Realme C31 is narrower than CUBOT J9. |
| Weight | 185 g | 197 g | CUBOT J9 is lighter than CUBOT J9. |
| Body Colour | Green | Light silver | Dark green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.95 W/kg (body), 0.67 W/kg (head) | 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb) | |
| Connector Type | USB Type-C | Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | CUBOT J9 | Realme C31 |
|---|
| Display Type | LCD display | - | |
|---|---|---|---|
| Display Technology | IPS | - | |
| Screen Size (Display Size) | 6.2" | 6.5" | Realme C31 has larger screen size than CUBOT J9. |
| Screen Resolution (Display Resolution) | 1520 x 720 pixels | 1600 x 720 pixels | Realme C31 has better screen resolution than CUBOT J9. |
| Display Format | HD+ | HD+ | |
| Aspect Ratio | - | 20:9 | |
| Colour Depth | - | 16.7 million colours | |
| Display Refresh Rate | - | 60 Hz | |
| Touch Sampling Rate | - | 120 Hz | |
| Display Features | - | Ultra-clear View |
| PROCESSOR | CUBOT J9 | Realme C31 |
|---|
| Processor Type (CPU) | MediaTek | Unisoc | |
|---|---|---|---|
| Processor Number | MT6580 | T612 | |
| Clock Speed | - | 1.82 GHz | |
| Processor Core Qty | Quad-core | 8-core | Realme C31 has higher processor core quantity than CUBOT J9. |
| Graphics System (GPU) | - | ARM Mali-G57 |
| MEMORY | CUBOT J9 | Realme C31 |
|---|
| RAM | 2 GB | LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension | Realme C31 has more RAM than CUBOT J9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 64 GB | Realme C31 has more internal memory than CUBOT J9. |
| Memory Interface | - | UFS 2.2 | |
| Supported Flash Memory Cards (Expandable Memory) | - | microSDHC, microSD, microSDXC - up to 1 TB |
| CAMERA | CUBOT J9 | Realme C31 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 3 | 3 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 13 Megapixel | Both phones have the same camera resolution. |
| Lens Aperture | - | F/2.2 | |
| Lens Construction | - | 5-element | |
| Focus Adjustment | - | Automatic | |
| Special Effects | - | HDR | |
| Camera Modes | - | Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | - | 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Functions) | - | AI Triple camera |
| SECOND CAMERA |
|---|
| Sensor Resolution (2nd Camera) | 2 Megapixel | 2 Megapixel | Both phones have the same second camera resolution. |
|---|---|---|---|
| Lens Aperture (2nd Camera) | - | F/2.4 | |
| Camera Functions (2nd Camera) | - | Macro camera | |
| Camera Features (2nd Camera) | - | 4cm macro photography |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 0.3 Megapixel | 0.3 Megapixel | Both phones have the same third camera resolution. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | - | F/2.8 | |
| Camera Functions (3rd Camera) | - | B&W lens |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 5 Megapixel | CUBOT J9 has better front camera resolution than Realme C31. |
| Lens Aperture (Front) | - | F/2.2 | |
| Lens Element Qty (Front) | - | 3-element | |
| Special Effects (Front) | - | HDR | |
| Camera Modes (Front) | Al Beautification | Beauty mode, Filter mode | |
| Video Resolutions (Front) | - | 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps | |
| Camera Features (Front) | - | AI Selfie |
| BATTERY AND CHARGING | CUBOT J9 | Realme C31 |
|---|
| Battery Capacity (Battery Size) | 4200 mAh | 5000 mAh | Realme C31 has larger battery capacity than CUBOT J9. |
|---|
| CELLULAR | CUBOT J9 | Realme C31 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 3G | 4G | Realme C31 has more advanced generation mobile network. |
| Operating System | Android 10 | Android 11 | |
| User Interface | - | Realme UI (R Edition) | |
| Navigation | GPS, A-GPS | GPS, A-GPS, BeiDou, Galileo |
| COMMUNICATIONS | CUBOT J9 | Realme C31 |
|---|
| Data Transmission | - | GPRS, EDGE, 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 5, Band 8 | |
| 3G UMTS Frequency | - | 2100, 850, 900 | |
| 4G LTE Band | - | Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 40, Band 41 | |
| 4G LTE Frequency | - | FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500 | |
| Wireless Interface | Wi-Fi | Wi-Fi | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 5.0 |
| MEDIA | CUBOT J9 | Realme C31 |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio) | - | |
|---|---|---|---|
| Supported Digital Video Standards | AVI, MOV, 3GP, MP4 | - |
| FEATURES | CUBOT J9 | Realme C31 |
|---|
| Sensors | Accelerometer, proximity sensor, light sensor | Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor | |
|---|---|---|---|
| Security Devices | Face recognition | Fingerprint reader (side) | |
| Security Technology | Face ID | - | |
| Additional Phone Features | - | MIMO technology, Ultra Power Saving Mode, Fast Charging |
| OTHERS | CUBOT J9 | Realme C31 |
|---|
| Included Accessories | USB cable, power adapter, protective case | SIM card removal tool, 10W charger, micro-USB cable | |
|---|---|---|---|
| Compliant Standards | - | TUV Rheinland |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
