In depth comparison and review of Realme C21 and CUBOT J9. 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 | Realme C21 | CUBOT J9 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 165.2 mm | 156 mm | Realme C21 has greater height than CUBOT J9. |
| Width | 76.4 mm | 74.5 mm | Realme C21 has greater width than CUBOT J9. |
| Depth | 8.9 mm | 9.4 mm | Realme C21 is narrower than Realme C21. |
| Weight | 190 g | 185 g | CUBOT J9 is lighter than Realme C21. |
| Body Colour | Cross black | Cross blue | Green | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | - | 0.95 W/kg (body), 0.67 W/kg (head) | |
| Connector Type | Micro-USB Headset jack - mini-phone 3.5mm |
USB Type-C | |
| SIM Card Type (Size) | Nano SIM | Nano SIM | |
| SIM Card Qty | Dual-SIM | Dual-SIM |
| DISPLAY | Realme C21 | CUBOT J9 |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | LCD | IPS | |
| Screen Size (Display Size) | 6.5" | 6.2" | Realme C21 has larger screen size than CUBOT J9. |
| Screen Resolution (Display Resolution) | 1600 x 720 pixels | 1520 x 720 pixels | Realme C21 has better screen resolution than CUBOT J9. |
| Display Format | HD+ | HD+ | |
| Aspect Ratio | 20:9 | - | |
| Max Brightness | 420 cd/m² | - | |
| Display Features | Mini-drop display | - |
| PROCESSOR | Realme C21 | CUBOT J9 |
|---|
| Processor Type (CPU) | MediaTek Helio G35 | MediaTek | |
|---|---|---|---|
| Processor Number | - | MT6580 | |
| Clock Speed | 2.3 GHz | - | |
| Processor Core Qty | 8-core | Quad-core | Realme C21 has higher processor core quantity than CUBOT J9. |
| Graphics System (GPU) | PowerVR GE8320 | - |
| MEMORY | Realme C21 | CUBOT J9 |
|---|
| RAM | LPDDR4X SDRAM - 3 GB | 2 GB | Realme C21 has more RAM than CUBOT J9. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 32 GB | 16 GB | Realme C21 has more internal memory than CUBOT J9. |
| Supported Flash Memory Cards (Expandable Memory) | microSD | - |
| CAMERA | Realme C21 | CUBOT J9 |
|---|
| 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 | - | |
| Digital Zoom | 4x | - | |
| Special Effects | HDR | - | |
| Camera Modes | Panorama, Time-lapse mode, Slow motion mode, Beauty mode, Expert Mode, Nightscape capture mode, Portrait, Filter mode, Super nightscape | - | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps | - | |
| Camera Features (Functions) | Phase Detect Auto-Focus (PDAF), AI Triple camera, Chroma boost | - |
| 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 | - | |
| Lens Element Qty (2nd Camera) | 3-element | - | |
| Camera Functions (2nd Camera) | B&W lens | - |
| THIRD CAMERA |
|---|
| Sensor Resolution (3rd Camera) | 2 Megapixel | 0.3 Megapixel | Realme C21 has higher resolution third camera than CUBOT J9. |
|---|---|---|---|
| Lens Aperture (3rd Camera) | F/2.4 | - | |
| Lens Element Qty (3rd Camera) | 3-element | - | |
| Camera Functions (3rd Camera) | Macro camera | - | |
| Camera Features (3rd Camera) | 4cm macro photography | - |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 5 Megapixel | 8 Megapixel | CUBOT J9 has better front camera resolution than Realme C21. |
| Lens Aperture (Front) | F/2.2 | - | |
| Lens Element Qty (Front) | 3-element | - | |
| Special Effects (Front) | HDR | - | |
| Camera Modes (Front) | Time-lapse mode, Beauty mode, portrait mode, AI Beauty, Filter mode, Panoramic mode | Al Beautification | |
| Face Recognition (Face ID) | Face recognition | - | Realme C21 has face detection. |
| BATTERY AND CHARGING | Realme C21 | CUBOT J9 |
|---|
| Battery Capacity (Battery Size) | 5000 mAh | 4200 mAh | Realme C21 has larger battery capacity than CUBOT J9. |
|---|
| CELLULAR | Realme C21 | CUBOT J9 |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 3G | Realme C21 has more advanced generation mobile network. |
| Operating System | Android 10 | Android 10 | |
| User Interface | Realme UI | - | |
| Navigation | GPS, A-GPS, GLONASS, BeiDou | GPS, A-GPS |
| COMMUNICATIONS | Realme C21 | CUBOT J9 |
|---|
| Data Transmission | 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 | IEEE 802.11b/g/n | Wi-Fi | |
| Bluetooth | Bluetooth 5.0 | Bluetooth 4.0 |
| MEDIA | Realme C21 | CUBOT J9 |
|---|
| Supported Digital Audio Standards | - | WAV, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio) | |
|---|---|---|---|
| Supported Digital Video Standards | - | AVI, MOV, 3GP, MP4 |
| FEATURES | Realme C21 | CUBOT J9 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | - | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, magnetometer, light sensor | Accelerometer, proximity sensor, light sensor | |
| Security Devices | Fingerprint reader | Face recognition | |
| Security Technology | - | Face ID | |
| Additional Phone Features | Super power saving mode, HyperEngine technology, Reverse charging | - |
| OTHERS | Realme C21 | CUBOT J9 |
|---|
| Included Accessories | USB cable, power adapter, SIM card removal tool | USB cable, power adapter, protective case | |
|---|---|---|---|
| Compliant Standards | TUV Rheinland | - |
cs
sk
de
it
es
fr
hu
pt
ru
pl
br
ro
